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!{O=> }EIZS .bVϯY!iW^ LbjUĿeS!56On㊲A\|\ ?kxg7Xo  ;Ȏf%:"^jV#J7Q}i=26zaҐ苒LltƮ 4WЫqÀ9X3SV^]|I/!ajJY>{E Tmˣk$Ɋĕeյ~8 Rܹ\A:i$&];l}uU%7lG' 졿9OEP"͙3HE$[7bEۺўmn FU^0TWnsa/^ՈUH %_Dx)6GIw>းGr4w BRWHv`o[0J US; 7DZ ɡ]ގdȜk`[:gIN#Tojsxr=I(~y}Ǻkw[OА/3VHYM6/((*{JqaoIK@縐y)rn(Y՝6b/4Ύ7ţVi'dzPzM{Ol9}'S-6Fv] : $'o}.#AcD1QSYg`dWEv%GO7j&:f4f{TЙȤ>1`OSfuWy:D~hNrfZgjwPQ$upoO6 /3 jWʄ_d/j۵Zr\7"!@{a}Cb),(uƬAK(X҇j=wfa E=}RHڛ'LS~nk>/$@ 4-VwzyJ`z/ tQ^ɾT\F{$J.pDp~.p=]()/횚.Ugp|I%}I=_c Wv[etEXtCommentCreated by Eclipse Digital Imaging Inc.1999. All Rights Reserved. www.eclipsed.comUSSPCMT##kgIFxPIANYGIF2.0ImageImageImageImageImageImageImageImageImageImageImageImageImagePersonal Comment I,msOGMSOFFICE9.0GIF89ainVHH5蔨lgjQͫ(+e݊XX@xxMu66*ʩ{xr說º! NETSCAPE2.0!,in dihlp,tmx|)EAAx,Yd26@1Kf)ު1.M ! <)RS7xzy[~_No  nSsY iY]X|TGmAFt A~` & D-R  "4 `z"!=y  8ȱ# 2d(޺Syx\d:@ p %t@&;@M  pΓy'l5p4(Ryd:!T߷ܼbw#*PWI  NTx\y%eZ(J.i oYG,S7!gzu=!8Q 6ȰueRgK1(KZ+rZ-`ЇBA7ni4𫍴lv.|jYy ⳇ=Nݵ= Rv}ciKU:dKF'!pq2(Q}~m[Ds}%b GY Pu` ?D ,Th7Z@ hPԵA|".Pd€2b+'O(9K) p[IBb逛(Hp)&W^)uY l€pG0]LIe$^TY@|TfX ,CibZ"*l h*\XZZb n.#jJlK%^ ^d@힠/&P)Ԋɯ8sl@+ށK1v {AD4CKAilp|۱ S۪qju¥1PG-pc Ϊ&4|2$65fÍIWsok jݰ"XPʐQGd+/3`0yA=ȭv$W2 t^lA hA`' P00 [f[p ]4T7/4hc r~i*1M?/⇑$gx$p*vQo$"臃0 loS(@9?C*0n`]!od fP+iie6ڷ3@^ՋZjIo9hDjuP ~Fžap\"p.fD3΍:v7έ53Ԁe)\咗PGc. 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All Rights Reserved. www.eclipsed.comUSSPCMT! PIANYGIF2.0`ImageImageImageImageImageImageImageImageImageImageImageImageImagePersonal Comment;񆣒IENDB`n|Sp04۶NPNG  IHDRXHm/gIFxNETSCAPE2.0+htEXtCommenthttp://www.rtlsoft.com/animagic Created with Animagic GIF V 1.01 by Right to Left Software Inc."PLTEd0X0l@ltRNSރYbKGDHgIFg P% cmPPJCmp0712OmIDATHձ0 ߡ/^mT=Z _Hm//4EQ x//jx-ѕ_ϱYlFgk4#P|e }J!33UY,l+111w62MrXFQx>8<4))L-i|\$C~B 69rf;3qC{Kw)ȵZ.PFMi&& ,.Qq󕡑MhXP@!Ԉ O8 ,3D{nZQf c< ?KBh=juKC}u?sX{`73Y8Q3dxZ'5?ʂ !hql۸JX*4~+I=u -H1wu]X>ZG\8E_BxinYla{!~w? :nItEXtCommentThis GIF file was assembled with GIF Construction Set from: Alchemy Mindworks Inc. P.O. Box 500 Beeton, Ontario L0G 1A0 CANADA. This comment block will not appear in files created with a registered version of GIF Construction Set 3msOGMSOFFICE9.0GIF89aXHd0X0l@! 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B(-#ppt_h/2)0B(#ppt_y)*Y3>B ppt_y<*l%(D' =/u8CC*Q3> Br<*l%(++0+ l ++0+ l ++0+ l ++0+ l ++0+ l ++0+l ++0+l ++0+l ++0+l +U b l d Pt (  t t N,o?"0@NNN?Nw, $Guten Tag, willkommen bei Lernen im Netzwerk, einer Prsentation, die Sie in die neuronale Welt des Lernens einfhren soll. Was Sie in dieser Prsentation zu sehen bekommen, sind aktuelle Forschungener-gebnisse, wie unser neuronales Netzwerk, das wir Gehirn nennen, zu lernen scheint. Angefangen bei den Vernderungen an Synapsen, den Kontaktstellen zwischen Hirnzellen, ber die Ausbildung neuronaler Reprsentationen bis zur Theorie semantischer, assoziativer Netzwerke finden Sie hier einige interessante Modelle. Aber denken Sie immer daran, es sind Modelle& Das Inhaltsmen sorgt fr eine bersicht und eine (hoffentlich) komfortable Bedienung. Einige Abbildungen enthalten Animationen, die inhaltlich von Wichtigkeit sind. Wir bitten Sie also, sich nicht zu schnell  durchzuklicken , sondern auf das kleine weie  weiter neben dem entsprechenden Textfeld zu warten. Viel Spa wnscht www.neuro-paedagogik.de Menno Baumannj 2 33J*KU 0 t No?"6@`NNN?Ns >weiter(2 H t 0޽h ? 33___PPT10i.cy+D=' b= @B +%bK0 $$ D9 1$(  N  C &AGehirn=, F Zv   C2  Z33d33jJ" G"2  Z3d33jJ" JP2  Z3d33jJ" z P 2  Z33d33jJ" ;M2  Z33d33jJ" u2  Z33d33jJ" x2  Z33d33jJ" /N 2   T333jJ"  $ m2   Z3d33jJ"   M2   Z33d33jJ" wZ 2   Z33d33jJ"  p 6 2   Z33d33jJ"  c 2   Z33d33jJ" pK6 2   Z33d33jJ" pu6 ZB  s *D33jJZB  s *D33jJpZB   s *D33jJtS S ZB  s *D33jJGwZB  s *D33jJ/ZB   s *D33jJtZB   s *D33jJPZB  s *D33jJZB   s *D33jJJ = ZB  s *D33jJ ZB   s *D33jJ ZB  s *D33jJ:}ZB   s *D33jJwZB  s *D33jJM  ZB   s *D33jJ  ZB  s *D33jJ=ZB  s *D33jJ @ }ZB  s *D33jJ M }ZB   s *D33jJ<N <ZB  s *D33jJJM ZB  s *D33jJ/ZB   s *D33jJwZB  s *D33jJ ]ZB   s *D33jJ ZB  s *D33jJ m pZB  s *D33jJZB ! s *D33jJg/2 "  T33jJ" ZB # s *D33jJ# ZB $ B s *D33jJ~ PZB % s *D33jJ 2 &  Z33d33jJ" /?2 '  Z3d33jJ" ZB (  s *D33jJ# "ZB )  s *D33jJ 2 *  Z33d33jJ" f v2 +  Z33d33jJ" f v2 ,  Z33d33jJ" f vZB - s *D33jJ : ZB . s *D33jJ: : ZB / s *D33jJg w ZB 0 s *D33jJ = ZB 1 s *D33jJ=6   2 s *`\   - Neuronale Reprsentationen 2WU 0 3 N$ao?"0@NNN?NID*  X Lernen im Netzwerk! 2!$. 4 Neo?"0@NNN?N  x- Lernen an Synapsen 2UU 0+ 5 Nio?"0@NNN?N   u- Neuromodulation 2VU 01 6 Nmo?"0@NNN?N   {- Semantische Netzwerke 2XU 0 7 Nqo?"0@NNN?N`qZ ?Inhalt: 2* 8 N,uo?"0@NNN?N   t- Literaturtipps 2YU 0 9 0\y  home(233 U 0B  s *޽h ? 33___PPT10i.L;1+D=' b= @B + b g4_4@AM@3(  @RB @ s *D)  ^r  @ 6) n B^r  @ 6JԔ ~   @ Td" Mq r @ Td" ,f RB @ s *DԔ Fc d @  BC0DE|F4AԔ0.}"|\p']Q=5+_#H  @          S" "dI $ @  BCDELF$AԔc0 |[8/ (# ! @      S" g  d @  BfCDE|F4AԔf?*?XkhIiQ7  b5^txZT5*M.@          S"   4 @  BCDEXF(AԔuV"g^WL?$$ 6`@       S"  t @  &BCLDEF8AԔ""6]Bk y/ePHw%>3[S<5$/+(1;LL@           S" H  q @ s *V q  Die Abbildung zeigt zwei schematisierte Neuronen. An Ihnen sollen beispielhaft die Prozesse erlutert werden, die zur vorbergehenden oder langfristigen Vernderung der Kommunikation der beiden Zellen und somit zum Lernen fhren. 2B @ s *Dff1*/,$@ 0 @ s *܆Z,$@ 0 8Neuron 2 B @ s *Dff1:c ,$@ 0 @ s *6 :- ,$@ 0 :Zellkern 2  B @ s *Df31,$@ 0 @ s */j,$@ 0 6Axon 2 B @ s *Dff1 @ ,$@  0 !@ s *z ',$@  0 @(Pr-) Synapse 2 B "@@ s *Dff1p n ,$@  0 #@ s * c = ,$@  0 ^Synaptischer Spalt 2  B $@ s *Dff1@ ~ C,$@  0 %@ s *Мm d,$@ 0 A(Post-) Synapse 2 B &@ s *Dff1 ,$@ 0B '@ s *Dff1 `,$@ 0B (@ c $Dff  ,$@ 0B )@ s *Dff1  ,$@ 0B *@ s *Dff1 ,$@ 0 +@ s *St,$@ 0 ; Dendriten 2  B ,@ s *Dff1:,$@ 0 -@ s *J ,$@ 0 U Axonhgel 2   B .@ s *Dff1@S ,$@ 0 /@ s *X7,$@ 0 8Neuron 2 B 0@@ s *Dff1 9f ,$@ 0 3@ N3" Mq ,$@" 0 1@ s *9 St ,$@ 0 :Zellkern 2   2@ s *LV q ,$@  0 ;Wenn eine Zelle aktiv ist, entsteht am Axonhgel eine Potentialvernderung, die dazu fhrt, dass ein elektrischer Impuls durch das Axon wandert. Dadurch sendet eine Zelle ihre Information an andere Zellen weiter.  2,' R2 @ s *GB 4@ s *D3)  ,$D$ 0R 6@ s *ȻV q :,$@&  0 An der Synapse fhrt der elektrische Impuls zu einer Ausschttung chemischer Molekle, so genannter Neurotransmitter, in den synaptischen Spalt.  2r 7@ 633) n B,$@) 0^l  "  >@m ,$D+ 0Z2 8@ s *3  IZ2 :@ s *3 " IZ2 ;@ s *3 v Z2 <@ s *3 I vZ2 =@ s *3  H ?@ s *ÊV q q,$@-  0 Die Neurotransmitter besetzen an der Postsynapse so genannte Rezeptoren, die zu einer chemischen Vernderung in der Postsynapse fhren.  2r @@ 6J33Ԕ ~ ,$@0 0| A@ s *ȊV q .,$@3  0 Erreicht die chemischer Vernderung in der Postsynapse ein gewisses Niveau, entsteht auch hier ein elektrischer Impuls, welcher die entsprechenden Dendriten hinunter zum Zellkern wandert.  2RB B@ s *D) B C@ s *Dff1 ,$@ 0 D@ s *ϊf ,$D 0 6Axon 2 ^ E@  BCDELF$3Ԕc0 |[8/ (# ! @      S" ~  ,$@6 0B F@ s *D3Ԕ Fc ,$D9 0 G@ s *tӊV q :,$@;  0 uDer elektrische Impuls lst wiederum in der Zielzelle Vernderungen aus, die dazu fhren knnen, dass die Zelle ebenfalls aktiv wird. Da die Dendriten im Gegensatz zu den Axonen allerdings keine isolierende Myelinschicht besitzen, schwcht sich der Impuls auf dem Weg ab. 2, 4 H@ s *܊) D0 ,$@>  0 z(Ob die Zielzelle aktiviert wird, hngt also im wesentlichen von drei Faktoren ab: 1. Von der Nhe des eintreffenden Impulses zum Zellkern 2. Von der Anzahl ber die Dendriten einlaufender Impulse (so genannte rumliche Summation) 3. Von der Frequenz der einlaufenden Impulse (zeitliche Summation) ) 2R 8XQ I@ s *) D] ,$@A  0 Wird die Zielzelle aktiviert, kann es dazu kommen, dass sie den Impuls ebenfalls ber Ihr Axon weiterleitet und somit andere Zellen aktiviert.  2r J@ N3" ,f ,$@D 0R2 @ s *c g B K@ s *D3) <,$DF 0 L@ s *T) D] ,$@H  0 Entscheidend fr den Lernprozess ist, dass durch die gemeinsame Aktivitt der beiden Zellen Ihre Verbindung zueinander verstrkt wird. Dieses geschieht durch spezifische Vernderungen an den Synapsen  2. 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++0+M@ ++0+M@ ++0+M@ ++0+M@ ++0+M@ ++0+M@ ++0+M@ ++0+M@ +)b ld`,UD(  DRB (D s *D)  8  ~  QD ~ fr )D 6) n Bfr *D 6JԔ ~  +D Td" Mq r ,D Td" ,f RB -D s *DԔ Fc j .D  BC0DE|F4Ԕ0.}"|\p']Q=5+_#H  @          S" "dI * /D  BCDELF$Ԕc0 |[8/ (# ! @      S" g  j 0D  BfCDE|F4Ԕf?*?XkhIiQ7  b5^txZT5*M.@          S"   : 1D  BCDEXF(ԔuV"g^WL?$$ 6`@       S"  z 2D  ,BCLDEF8Ԕ""6]Bk y/ePHw%>3[S<5$/+(1;LL@           S" H  R2 3D s *c g RB 4D s *Dff1*/ 5D s *lZ 8Neuron 2 RB 6D s *Dff1:c  7D s *Hq6 :-  :Zellkern 2  RB 8D s *Dff1 9D s *xu/j 6Axon 2 RB :D s *Dff1 @  ;D s *Hoz ' @(Pr-) Synapse 2 RB D s *Dff1@ ~ C ?D s *聎m & o#Dendritischer Dorn, (Post-) Synapse$ 2$  RB @D s *Dff1 RB AD s *Dff1 `LB BD c $Dff  RB CD s *Dff1  RB DD s *Dff1  ED s *L ; Dendriten 2  RB FD s *Dff1: GD s *J  U Axonhgel 2   RB HD s *Dff1@S  ID s *T7 8Neuron 2 RB JD@ s *Dff1 9f  KD s *9 St  :Zellkern 2  R2 LD s *Gz t  OD UP] R,$@  02 MD Z>S" `? ,`B NDB 0D)tv PD s *t) '{ ]Um die Prozesse an den Synapsen zu verdeutlichen, mssen wir sie etwas vergrert betrachten.^ 2^. UD N@o?"6@`NNN?N j R,$D 0 >weiter(2 H D 0޽h ? 33___PPT10.nH J9+A^D ' b= @B D ' = @BA?%,( < +O%,( < +Da' b=%(%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*UD%(DM ' b=%(Dd' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*OD%(D' =+4 8?dCB1+#ppt_w/2BCB#ppt_xB*Y3>B ppt_x<*ODD' =+4 8?dCB1+#ppt_h/2BCB#ppt_yB*Y3>B ppt_y<*ODD>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*UDD' =1:Bhidden*o3>+B#style.visibility<*UD%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*UD%(D' =%(D@' =4@BBBB%()D' b=0l9 CCBB*<3<*QD++0+UD ++0+UD ++0+UD +P  b 11pGSHB1(  H^r H 6'),* & RB H s *D)j^r H 6) XB H 0D) %  H s *ت '  Die Abbildung zeigt zwei schematisierte Synapsen, an denen die Vernderungen, die zum Lernen fhren, deutlich gemacht werden sollen. 2RB  H@ s *D)m RB  H@ s *D)2 ] RB  H@ s *D)m  PRB H@ s *D)M jb H BEG*%>&Sjb H BEG*%> t jb H BEG*%>Ppjb H BEG*%> & B H@ s *Df31z,$@ 0 H s *t,$@ 0 6Axon 2 B H s *Df31=,$@ 0 H s *@,$@ 0 @(Pr-) Synapse 2 B H@ s *Df31% z ,$@ 0B H@ s *Df31 0 ,$@  0B H@ s *Df31  ,$@  0B H@ s *Df31/  ,$@  0 H s *< T ,$@ 0 ,Freisetzungsstelle (synaptische Verdichtung)- 2-  2 H s *fM n ,$@# 02 "H s *f] ],$@" 02 #H s *fp ,$@ 02 $H s *fz P,$@  02 %H s *fm0 ,$@! 02 &H s *f2M ,$@ 0B 'H s *Df31Z@ ~ z,$@* 0B (H s *Df31Z ~ /,$@( 0B *H c $Df3Z] ~ ,$@- 0B +H s *Df31Z ~ ",$@) 0B ,H s *Df31Zz ~ `,$@, 0B -H s *Df31Z~ ,$@+ 0 .H s *ǎm SQ,$D/ 0 qsynaptische Vesikel 2 $ 2 0H s *},$@ 02 1H s *,$@ 02 2H s * ] z,$@ 02 3H s *,$@ 0B 4H s *Df31*,$@& 0B 5H@ s *Df31P*,$@' 0B 6H@ s *Df31*=,$@$ 0B 7H@ s *Df31* ,$@% 0 8H s *@Ў*W,$@. 0 [Speichergranula 2 B 9H s *Df31 Y,$@  0 :H s *ՎYP y,$@  0 ,postsynaptische Membran, dendritisches Dorn - 2-  B ;H s *Df31  ,$@ 0B H s *Df31]S,$@ 0 ?H s *lێ2R,$@ 0 Lpostsynaptische Rezeptoren 2 B @H s *Df31 ,$D 0 AH s *<wc$ ^synaptischer Spalt 2   CH s * ' ,$@  0 _Der erste Schritt in der Signalbertragung (Informationsverarbeitung) besteht in der Synthese der Neurotransmitter. Diese werden dann in den Speichergranula lngerfristig gespeichert oder in den synaptischen Vesikeln fr den Gebrauch bereitgehalten. 2,4" DH s *  '0 ,$@1  0 Wird die Prsynapse jetzt durch einen elektrischen Impuls aus dem Axon aktiviert, werden die Neurotransmitter aus den Vesikeln durch die Freisetzungsstellen in den synaptischen Spalt ausgeschttet.  2vJ2 EH 031 P ],$@B 02 FH 031%  ] ,$@H 02 GH 031@ ,$@D 02 HH 031`  ,$@F 02 IH 031@  ,$@C 02 JH 031} # ,$@E 02 KH 031m ,$@G 02 LH 0313 ],$@@ 0r PH Z33)"  ,$@a 02 MH 031 z c ,$DI 0 NH s *D '0 ,$@T  0 _Einige der Neurotransmitter docken an die freien Rezeptoren an und lsen dort eine chemische Reaktion aus. Die Details zu den spezifischen Rezeptortypen seien an dieser Stelle vernachlssigt. Transmittermolekle, die es nicht schaffen, an Rezeptoren zu binden, werden entweder wieder in die Prsynapse aufgenommen, oder im synaptischen Spalt abgebaut.` 2` OH s * '0 ,$@^  0 TWenn es sich bei den ausgeschtteten Neurotransmittern um einen erregenden Transmitter handelte, wird die Postsynapse erregt und leitet einen Impuls ber den Dendrit Richtung Zellkern. Dieser schwcht sich unterwegs ab, so dass die Strke des Impulses einen wesentlichen Einfluss darauf hat, ob und wie stark der Impuls im Zellkern ankommt.U 2UB QH 0D3) % ,$Dc 0g RH s * ' ,$@e  0 sDer wichtigste erregende Neurotransmitter im menschlichen Gehirn ist nach heutigem Erkenntnisstand Glutamat. Glutamat ist vermutlich an fast allen Lernprozessen im Gehirn beteiligt. Es gibt aber auch hemmende synaptische Kontakte. Diese arbeiten zum grten Teil mit Gamma-Aminobuttersure (GABA) und sorgen dafr, dass die Zielzelle fr kurze Zeit nicht aktivierbar ist.t 2t, /S. SH No?"6@`NNN?N ,$D 0 >weiter(2 H H 0޽h ? 33F>___PPT10.J\+,DJ' b= @B D' = @BA?%,( < +O%,( < +Da' b=%(%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*SH%(Dl' b=%(D#' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*H%(D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*SHD' =1:Bhidden*o3>+B#style.visibility<*SH%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*H%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*H%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*H%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*H%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*H%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*H%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*H%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*9H%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*:H%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*;H%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*+B#style.visibility<*=H%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*>H%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*?H%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*H%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*@H%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*SH%(D' b=%(Di' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*CH%(D' =+4 8?\CB#ppt_xBCB#ppt_xB*Y3>B ppt_x<*CHD' =+4 8?dCB1+#ppt_h/2BCB#ppt_yB*Y3>B ppt_y<*CHD>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*SHD' =1:Bhidden*o3>+B#style.visibility<*SH%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*SH%(D'' b=%(D$' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*2H%(D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*SHD' =1:Bhidden*o3>+B#style.visibility<*SH%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*1H%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*0H%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*3H%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*#H%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*&H%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*$H%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%H%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*"H%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*H%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*6H%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*7H%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*4H%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*5H%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*(H%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*+H%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*'H%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*-H%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,H%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<**H%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*8H%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*.H%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*SH%(D#' b=%(Di' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*DH%(D' =+4 8?\CB#ppt_xBCB#ppt_xB*Y3>B ppt_x<*DHD' =+4 8?dCB1+#ppt_h/2BCB#ppt_yB*Y3>B ppt_y<*DHD>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*SHD' =1:Bhidden*o3>+B#style.visibility<*SH%(D' =%(D1' =4@BB BB%(D' =-o6Bdissolve*<3<*7HD' =1:Bhidden*o3>+B#style.visibility<*7H%(D1' =4@BB BB%(D' =-o6Bdissolve*<3<*6HD' =1:Bhidden*o3>+B#style.visibility<*6H%(D1' =4@BB BB%(D' =-o6Bdissolve*<3<*5HD' =1:Bhidden*o3>+B#style.visibility<*5H%(D1' =4@BB BB%(D' =-o6Bdissolve*<3<*4HD' =1:Bhidden*o3>+B#style.visibility<*4H%(D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*8HD' =1:Bhidden*o3>+B#style.visibility<*8H%(D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*.HD' =1:Bhidden*o3>+B#style.visibility<*.H%(D1' =4@BB BB%(D' =-o6Bdissolve*<3<*(HD' =1:Bhidden*o3>+B#style.visibility<*(H%(D1' =4@BB BB%(D' =-o6Bdissolve*<3<*+HD' =1:Bhidden*o3>+B#style.visibility<*+H%(D1' =4@BB BB%(D' =-o6Bdissolve*<3<*-HD' =1:Bhidden*o3>+B#style.visibility<*-H%(D1' =4@BB BB%(D' =-o6Bdissolve*<3<*,HD' =1:Bhidden*o3>+B#style.visibility<*,H%(D1' =4@BB BB%(D' =-o6Bdissolve*<3<**HD' =1:Bhidden*o3>+B#style.visibility<**H%(D1' =4@BB BB%(D' =-o6Bdissolve*<3<*'HD' =1:Bhidden*o3>+B#style.visibility<*'H%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*SH%(D%' b=%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*LH%(D>' =A@BB BB0B %(D' =-o6Bdissolve*<3<*SHD' =1:Bhidden*o3>+B#style.visibility<*SH%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*EH%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*IH%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*GH%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*JH%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*HH%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*KH%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*FH%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*MH%(D ' =%(D ' =4@BBBB%()?)?D^' b =.&7 BBBBB_M -4.44444E-6 3.33333E-6 L 0.07882 3.33333E-6 *3>*B ppt_xB ppt_y=0BBAA<*LHD' =4@BBBB%()?)?DP' b =.7 BBBBBQM 0.00017 3.33333E-6 L 0.07882 0.05254 *3>*B ppt_xB ppt_y=0BBAA<*EHD+' =4@BBBB%()?)?D' b =.G7 BBBBBYM -3.33333E-6 2.22222E-6 L 0.07101 0.07338 *3>*B ppt_xB ppt_y=@0BBAApBB=B=<*IHD#' =4@BBBB%()?)?Dw' b =.?7 BBBBBQM -2.5E-6 -2.59259E-6 L 0.0474 0.03148 *3>*B ppt_xB ppt_y=@0BBAApBBl<B<<*GHD)' =4@BBBB%()?)?D}' b =.E7 BBBBBWM -3.61111E-6 2.59259E-6 L 0.0158 0.04213 *3>*B ppt_xB ppt_y=@0BBAApBB<B<<*JHD' =4@BBBB%()?)?DX' b =. 7 BBBBBYM -1.38889E-6 -3.7037E-6 L 0.07101 0.04213 *3>*B ppt_xB ppt_y=0BBAA<*HHD' =4@BBBB%()?)?DJ' b =.7 BBBBBKM 0.00018 0.00023 L 0.08681 0.00023 *3>*B ppt_xB ppt_y=0BBAA<*KHD' =4@BBBB%()?)?DH' b =.7 BBBBBIM 0.00018 0.00024 L 0.11042 0.1051 *3>*B ppt_xB ppt_y=0BBAA<*FHD' =4@BBBB%()?)?Dq' b =.97 BBBBBKM 0.00018 0.00023 L 0.07101 0.03171 *3>*B ppt_xB ppt_y=@0BBAApBB=B<<*MHD' =%(D' =A@BBBB0B %(D' =1:Bvisible*o3>+B#style.visibility<*SH%(D' b=%(Di' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*NH%(D' =+4 8?\CB#ppt_xBCB#ppt_xB*Y3>B ppt_x<*NHD' =+4 8?dCB1+#ppt_h/2BCB#ppt_yB*Y3>B ppt_y<*NHD>' =A@BB BB0B %(D' =-o6Bdissolve*<3<*SHD' =1:Bhidden*o3>+B#style.visibility<*SH%(D' =%(D' =A@BBBB0B %(D' =1:Bvisible*o3>+B#style.visibility<*SH%(DD' b=%(D' =%(D' =4@BBBB%()?)?D' b =.7 BBBBBM 0.07101 0.03172 C 0.02622 0.05116 -0.01857 0.07084 -0.04062 0.05973 C -0.06267 0.04862 -0.05833 -0.01874 -0.06163 -0.03495 *3>*B ppt_xB ppt_y=0BB aaA<*MHD>' =A@BB BB0B %(D' =-o6Bdissolve*<3<*SHD' =1:Bhidden*o3>+B#style.visibility<*SH%(D' =4@BBBB%()?)?D' b =.7 BBBBBM 0.07881 0.05255 C 0.06405 0.00856 0.0493 -0.03542 0.03124 -0.05764 C 0.01319 -0.07986 -0.01911 -0.07685 -0.02917 -0.08079 *3>*B ppt_xB ppt_y=0BB aaA<*EHD' =%( D1' =4@BB BB%(D'  =-o6Bdissolve*<3<*JHD' =1:Bhidden*o3>+B#style.visibility<*JH%( D1' =4@BB BB%(D'  =-o6Bdissolve*<3<*GHD' =1:Bhidden*o3>+B#style.visibility<*GH%( D1' =4@BB BB%(D'  =-o6Bdissolve*<3<*HHD' =1:Bhidden*o3>+B#style.visibility<*HH%( D' =%(dD' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*SH%(D' b=%(Di' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*OH%(D' =+4 8?\CB#ppt_xBCB#ppt_xB*Y3>B ppt_x<*OHD' =+4 8?dCB1+#ppt_h/2BCB#ppt_yB*Y3>B ppt_y<*OHD>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*SHD' =1:Bhidden*o3>+B#style.visibility<*SH%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*SH%(DO' b=%(D"' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*PH%(D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*SHD' =1:Bhidden*o3>+B#style.visibility<*SH%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*QH%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*SH%(D' b=%(Di' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*RH%(D' =+4 8?\CB#ppt_xBCB#ppt_xB*Y3>B ppt_x<*RHD' =+4 8?dCB1+#ppt_h/2BCB#ppt_yB*Y3>B ppt_y<*RHD>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*SHD' =1:Bhidden*o3>+B#style.visibility<*SH%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*SH%(++0+H ++0+H ++0+H ++0+.H ++0+.H ++0+8H ++0+8H ++0+:H ++0+?H ++0+CH ++0+DH ++0+NH ++0+OH ++0+RH ++0+SH ++0+SH ++0+SH ++0+SH ++0+SH ++0+SH ++0+SH ++0+SH ++0+SH ++0+ SH ++0+ SH ++0+ SH ++0+ SH ++0+ SH ++0+SH ++0+SH ++0+SH ++0+SH ++0+SH ++0+SH ++0+SH +h6 bK0 ""1LL="(  L^r /L 6) ,r @L Z33)"  ,,$@& 0^r L 6'),* & RB L s *D)jRB L@ s *D)m RB L@ s *D)2 ] RB L@ s *D)m  PRB  L@ s *D)M jb  L BEG*%>&Sjb  L BEG*%> t jb  L BEG*%>Ppjb  L BEG*%> & R2 L s *fM n R2 L s *f] ]R2 L s *fp R2 L s *fz PR2 L s *fm0 R2 L s *f2M R2 !L s *}R2 "L s *R2 #L s * ] zR2 $L s *XB 0L 0D) % 1 1L s *4  j  Wird die Zielzelle durch den einlaufenden Impuls erregt, verstrken die synaptischen Kontakte ihre Verbindung zueinander. Dazu gibt es im Prinzip drei Mglichkeiten: 2h 2L s *  ,$@  0 bErstens kann die Postsynapse die Menge der ausgeschtteten Neurotranmittermolekle modulieren. Dieses macht nur dann einen Sinn, wenn es auf der posynaptischen Seite freie Rezeptoren gibt, oder aber die Geschwindigkeit des Abbaus bzw. der Wiederaufnahme von Tranmittern begrenzt ist, so dass fr lngere Zeit Transmitter im synaptischen Spalt aktiv sind.c 2c>;?c V2 4L 031P ,$@  02 5L 031 P ,$@  02 6L 031m #,$@  02 7L 031 n ,$@  02 8L 031 ,$@ 02 9L 031"`] & ,$@  02 :L 031@# ~ ,$@ 02 ;L 031` ,$@ 02 L 031"`P # ,$@ 02 ?L 031S ,$@ 0B AL 0D3) % ,$D' 0 BL s *  K,$@=  0 Durch die daraus resultierende schnelle Aktivierungsfolge kommt es zum Phnomen der so genannten zeitlichen Summation. Das bedeutet, dass zeitlich schnell aufeinander folgende Impulse sich gegenseitig verstrken.  2B CL s *  a,$@B  0 ber einen hnlichen Mechanismus wirkt auch die zweite Mglichkeit der Kontaktverstrkung, nmlich die Hemmung der Wiederaufnahme bzw. des Abbaus freier Transmittermolekle. Auch dadurch wird eine lngere Wirkung der Transmitter im synaptischen Spalt und damit eine hhere Frequenz einlaufender Impulse erreicht, was zur zeitlichen Summation und damit zur Verstrkung des Signals fhrt. 26 DL s *  K,$@G  0 ,Die dritte Mglichkeit, die so genannte Synapsenstrke zu verndern, ist die Regulation der Anzahl postsynaptischer Rezeptoren. Mehr Rezeptoren knnen auch mehr Transmittermolekle aufnehmen und erhhen damit die Wahrscheinlichkeit, dass der Zieldendrit und letztlich die Zielzelle aktiviert werden. ,- 2(,(-b EL BEG>) P } ,$@L 0b GL BEG> 3 ` 7 ,$@O 0b HL BEG> ,$@P 0. KL s *X  ,$Dt  0 nVermutlich sind an den meisten komplexeren und dauerhafteren Lernprozessen alle drei Prinzipien beteiligt. o 2ob IL BEG>,$@Q 0 JL s *4  l$@y  0PU 0U 0 iDarber hinaus haben Zellen auch noch die Mglichkeit, neue Synapsen zu bilden und dadurch Ihre Kontakte zu intensivieren. Wichtig ist, dass beim Lernen nicht nur die eben dargestellten, synaptische Kontakte verstrkenden Prozesse wirksam sind. Ein ebenso wichtiger Prozess der Lernens scheint der Abbau und die Abschwchung von synaptischen Kontakten zu sein. j 2j . LL No?"6@`NNN?N] P ,$D 0 >weiter(2 H L 0޽h ? 33KC___PPT10#.J@f+&gD ' b= @B D: ' = @BA?%,( < +O%,( < +DR' b=%(%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*LL%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*LL%(D ' b=%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*2L%(D' =+4 8?\CB#ppt_xBCB#ppt_xB*Y3>B ppt_x<*2LD' =+4 8?dCB1+#ppt_h/2BCB#ppt_yB*Y3>B ppt_y<*2LD>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*LLD' =1:Bhidden*o3>+B#style.visibility<*LL%(D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*LLD' =1:Bhidden*o3>+B#style.visibility<*LL%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*LL%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*LL%(Dk' b=%(Dl' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*4L%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*5L%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*6L%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*7L%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*9L%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*:L%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*;L%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*+B#style.visibility<*=L%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*>L%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*?L%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*8L%(D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*LLD' =1:Bhidden*o3>+B#style.visibility<*LL%(D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*LLD' =1:Bhidden*o3>+B#style.visibility<*LL%(D' =%(D%' =4@BBBB%()?)?Dy' b =.A7 BBBBBSM 3.88889E-6 1.85185E-6 L 0.071 0.02106 *3>*B ppt_xB ppt_y=@0BBAApBB=B*<<*5LD%' =4@BBBB%()?)?Dy' b =.A7 BBBBBSM 0.00018 7.40741E-7 L 0.07101 -0.01042 *3>*B ppt_xB ppt_y=@0BBAApBB=Bu<*6LD-' =4@BBBB%()?)?D' b =.I7 BBBBB[M -4.72222E-6 -1.85185E-6 L 0.12605 0.03171 *3>*B ppt_xB ppt_y=@0BBAApBB=B<<*4LD'' =4@BBBB%()?)?D{' b =.C7 BBBBBUM 0.00017 -4.07407E-6 L 0.14167 -0.01041 *3>*B ppt_xB ppt_y=@0BBAApBB =Bu<*7LD+' =4@BBBB%()?)?D' b =.G7 BBBBBYM 1.11111E-6 -1.85185E-6 L 0.08663 0.05255 *3>*B ppt_xB ppt_y=@0BBAApBB1=BH<<*8LD+' =4@BBBB%()?)?D' b =.G7 BBBBBYM 1.11111E-6 -1.85185E-6 L 0.08663 0.05255 *3>*B ppt_xB ppt_y=@0BBAApBB1=BH<<*9LD)' =4@BBBB%()?)?D}' b =.E7 BBBBBWM 1.66667E-6 2.22222E-6 L 0.07864 0.03148 *3>*B ppt_xB ppt_y=@0BBAApBB =B<<*:LD+' =4@BBBB%()?)?D' b =.G7 BBBBBYM -1.11111E-6 -3.7037E-6 L 0.08663 0.08403 *3>*B ppt_xB ppt_y=@0BBAApBB1=Be+=<*;LD#' =4@BBBB%()?)?Dw' b =.?7 BBBBBQM -4.16667E-6 0.00024 L 0.11042 0.0632 *3>*B ppt_xB ppt_y=@0BBAApBB""b=B=<**B ppt_xB ppt_y=@0BBAApBB<B:W=<*=LD%' =4@BBBB%()?)?Dy' b =.A7 BBBBBSM -3.61111E-6 0.00023 L 0.05521 0.07361 *3>*B ppt_xB ppt_y=@0BBAApBB""<B=<*>LD-' =4@BBBB%()?)?D' b =.I7 BBBBB[M 1.11111E-6 -2.96296E-6 L 0.09444 -0.02106 *3>*B ppt_xB ppt_y=@0BBAApBBlA=Bu.<*?LD' =%(D1' =4@BB BB%(D' =-o6Bdissolve*<3<*9LD' =1:Bhidden*o3>+B#style.visibility<*9L%(D1' =4@BB BB%(D' =-o6Bdissolve*<3<*?LD' =1:Bhidden*o3>+B#style.visibility<*?L%(D1' =4@BB BB%(D' =-o6Bdissolve*<3<*:LD' 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=-o6Bdissolve*<3<*LLD' =1:Bhidden*o3>+B#style.visibility<*LL%(D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*LLD' =1:Bhidden*o3>+B#style.visibility<*LL%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*LL%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*LL%(D ' b=%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*CL%(D' =+4 8?\CB#ppt_xBCB#ppt_xB*Y3>B ppt_x<*CLD' =+4 8?dCB1+#ppt_h/2BCB#ppt_yB*Y3>B ppt_y<*CLD>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*LLD' =1:Bhidden*o3>+B#style.visibility<*LL%(D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*LLD' =1:Bhidden*o3>+B#style.visibility<*LL%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*LL%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*LL%(D ' b=%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*DL%(D' =+4 8?\CB#ppt_xBCB#ppt_xB*Y3>B ppt_x<*DLD' =+4 8?dCB1+#ppt_h/2BCB#ppt_yB*Y3>B ppt_y<*DLD>' =A@BB BB0B %(D' =-o6Bdissolve*<3<*LLD' =1:Bhidden*o3>+B#style.visibility<*LL%(D>' =A@BB BB0B %(D' =-o6Bdissolve*<3<*LLD' 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=1:Bvisible*o3>+B#style.visibility<*=L%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*?L%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<**B ppt_xB ppt_y=0BBAA<*4LD' =4@BBBB%()?)?DP' b =.7 BBBBBQM 0.00017 1.85185E-6 L 0.12621 0.04213 *3>*B ppt_xB ppt_y=0BBAA<*5LD' =4@BBBB%()?)?DX' b =. 7 BBBBBYM -2.22222E-6 2.22222E-6 L 0.08663 0.06296 *3>*B ppt_xB ppt_y=0BBAA<*:LD' =4@BBBB%()?)?DP' b =.7 BBBBBQM 0.00018 7.40741E-7 L 0.10244 0.11551 *3>*B ppt_xB ppt_y=0BBAA<*6LD' =4@BBBB%()?)?DX' b =. 7 BBBBBYM -1.11111E-6 -3.7037E-6 L 0.07882 0.08403 *3>*B ppt_xB ppt_y=0BBAA<*;LD' =4@BBBB%()?)?DB' b =. 7 BBBBBCM 0.0 0.00023 L 0.09444 0.09468 *3>*B ppt_xB ppt_y=0BBAA<*=LD' =4@BBBB%()?)?DX' b =. 7 BBBBBYM 1.11111E-6 -2.96296E-6 L 0.08663 0.09445 *3>*B ppt_xB ppt_y=0BBAA<*?LD-' =4@BBBB%()?)?D' b =.I7 BBBBB[M -4.16667E-6 -4.44444E-6 L 0.09462 0.13658 *3>*B ppt_xB ppt_y=@0BBAApBBlA=Bڋ=<*+B#style.visibility<*@L%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*AL%(D' =%(D1' =4@BB BB%(D' 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*D33jJ/ZB *d s *D33jJwZB +d s *D33jJ ]ZB ,d s *D33jJ ZB -d s *D33jJ m pZB .d s *D33jJZB /d s *D33jJg/2 0d T33jJ" ZB 1d s *D33jJ# ZB 2dB s *D33jJ~ PZB 3d s *D33jJ 2 4d Z33d33jJ" /?2 5d Z3d33jJ" ZB 6d s *D33jJ# "ZB 7d s *D33jJ 2 8d Z33d33jJ" f v2 9d Z33d33jJ" f v2 :d Z33d33jJ" f vZB ;d s *D33jJ : ZB d s *D33jJ = ZB ?d s *D33jJ=6   @d s *   - Neuronale Reprsentationen 2\U 0 Ad N4o?"0@NNN?NID*  X Lernen im Netzwerk! 2!$. Bd No?"0@NNN?N  x- Lernen an Synapsen 2]U 0+ Cd No?"0@NNN?N   u- Neuromodulation 2^U 01 Dd No?"0@NNN?N   {- Semantische Netzwerke 2_U 0 Ed No?"0@NNN?N`qZ ?Inhalt: 2* Fd Ndo?"0@NNN?N   t- Literaturtipps 2`U 0 Gd 0  home(233 U 0H d 0޽h ? 33___PPT10i.be'+D=' b= @B +ƹb &&=]TG&(  T^r T 6'),* & lr T 6)"  ,RB T s *D)jXB T 0D) % RB T@ s *D)m RB  T@ s *D)m  PRB  T@ s *D)2 ] RB  T@ s *D)M jb  T BEG*%>&Sjb  T BEG*%>&Sjb T BEG*%> t jb T BEG*%>Ppjb T BEG*%> & jb T BEG>) P } jb T BEG> 3 ` 7 jb T BEG> jb T BEG>RB 0T@ s *D)2 ] RB 1T@ s *D)m  PR2 2T s *fM n R2 3T s *f] ]R2 4T s *fp R2 5T s *fz PR2 6T s *fm0 R2 7T s *f2M R2 8T s *}R2 9T s *R2 :T s * ] zR2 ;T s *2 =T 031 ,$@* 0 ?T s *00 q  R Allerdings ist die direkte Neurotransmission von einer Zelle zur nchsten nicht der einzige chemische Prozess, der die Signalbertragung beeinflusst. Viel mehr spielen bei der Signalbertragung und auch beim Lernen so genannte Neuromodulatoren eine wichtige Rolle. ,  2 @T s *h9 q ,$@  0 YNeuromodulatoren werden zum grten Teil von kleinen Neuronengruppen tief im Gehirn liegend ausgeschttet und wirken weit verteilt im Gehirn auf diffuse Weise, in dem sie die schnelle Signalbertragung an den Synapsen mittels Neurotransmitter beeinflussen. So knnen Neuromodulatoren die Effizienz der Signalbertragung erhhen oder abschwchen.Z 2Z2 AT 031I,$@ 02 BT 031w,$@ 02 CT 031"`wf,$@ 0b DT B[tG*%><cF,$@ 0b ET B$lG*%>P,$@  0b FT B[tG*%>< ,$@ 02 HT 031w6,$@  02 IT 031wY,$@ 02 JT 031ww,$@ 0B KT s *Df1 @ j,$@  0B LT s *Df1@ ,$@  0B MT s *Df1@ ,$@  0 NT s *C ,$D 0 EModulatorrezeptoren 2 B OT s *Df1 I,$@ 0B PT s *Df1FI,$@ 0B QT s *Df1w)I,$@ 0B RT s *Df1 I,$@ 0B ST s *Df1I,$@ 0B TT@ s *Df1I,,$@ 0 UT s *J,$@ 0 BNeuromodulatoren 2  VT s *O q ,$@  0 Neuromodulatoren wirken entweder an spezifischen Rezeptoren, wodurch sie kurzfristig die Bedingungen in der Synapse verndern, oder aber sie wirken im synaptischen Spalt, wo sie verschiedene Parameter verndern knnen.  2r ZT Z33)"  ,,$@7 02 WT 031} n ,$@, 02 XT 031@ ,$@+ 0  YT s *U q k,$@<  0 ~*Diese spezifischen Vernderungen knnen dazu fhren, dass auch ein sehr schwaches Signal an einer sehr selten benutzten Verbindung zu einer Aktivierung der Zielzelle fhrt (wie im Beispiel gezeigt), oder aber dass die Zielzelle auch auf ein sehr starkes oder hochfrequentes Signal nicht reagiert. + 2+B [T 0D3) % ,$D8 0 \T s *t^ D ,$@?  0 CNach heutigem Erkenntnisstand sind die wichtigsten Neuromodulatoren die Substanzen Dopamin, Serotonin, Noradrenalin und Acetylcholin. Aber auch eine Reihe von Neuropeptiden, z.B. die so genannten Opiate, scheinen modulatorisch zu wirken. Alle die genannten Substanzen stehen im engen Zusammenhang mit emotionalen Prozessen so wie der Aufmerksamkeit. Diese beiden Faktoren wirken also modulierend auf jeden Lernprozess ein. 2bS   Q . ]T N4go?"6@`NNN?N] P ,$D 0 >weiter(2 H T 0޽h ? 33___PPT10.M@:x+gCDˍ' b= @B D' = @BA?%,( < +O%,( < +Da' b=%(%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*]T%(D' b=%(Di' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*@T%(D' =+4 8?\CB#ppt_xBCB#ppt_xB*Y3>B ppt_x<*@TD' =+4 8?dCB1+#ppt_h/2BCB#ppt_yB*Y3>B ppt_y<*@TD>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*]TD' =1:Bhidden*o3>+B#style.visibility<*]T%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*]T%(D#' b=%(D!' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*FT%(D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*]TD' =1:Bhidden*o3>+B#style.visibility<*]T%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*DT%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*ET%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*MT%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*LT%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*KT%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*HT%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*BT%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*AT%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*CT%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*JT%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*IT%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*OT%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*PT%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*QT%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*RT%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*ST%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*TT%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*UT%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*NT%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*]T%(D{"' b=%(D2 ' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*VT%(D' =+4 8?\CB#ppt_xBCB#ppt_xB*Y3>B ppt_x<*VTD' =+4 8?dCB1+#ppt_h/2BCB#ppt_yB*Y3>B ppt_y<*VTD>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*]TD' =1:Bhidden*o3>+B#style.visibility<*]T%(D' =A@BBB B0B%()))D' b=-6B'blinds(horizontal)*<3<*NTD' b=1:Bhidden*o3>+B#style.visibility<*NT%(D' =A@BBB B0B%()))D' b=-6B'blinds(horizontal)*<3<*UTD' b=1:Bhidden*o3>+B#style.visibility<*UT%(DE' =4@BBB B%(D' =-6B'blinds(horizontal)*<3<*KTD' =1:Bhidden*o3>+B#style.visibility<*KT%(DE' =4@BBB B%(D' =-6B'blinds(horizontal)*<3<*LTD' =1:Bhidden*o3>+B#style.visibility<*LT%(DE' =4@BBB B%(D' =-6B'blinds(horizontal)*<3<*MTD' =1:Bhidden*o3>+B#style.visibility<*MT%(DE' =4@BBB B%(D' =-6B'blinds(horizontal)*<3<*OTD' =1:Bhidden*o3>+B#style.visibility<*OT%(DE' =4@BBB B%(D' =-6B'blinds(horizontal)*<3<*PTD' =1:Bhidden*o3>+B#style.visibility<*PT%(DE' =4@BBB B%(D' =-6B'blinds(horizontal)*<3<*QTD' =1:Bhidden*o3>+B#style.visibility<*QT%(DE' =4@BBB B%(D' =-6B'blinds(horizontal)*<3<*RTD' =1:Bhidden*o3>+B#style.visibility<*RT%(DE' =4@BBB B%(D' =-6B'blinds(horizontal)*<3<*STD' =1:Bhidden*o3>+B#style.visibility<*ST%(DE' =4@BBB B%(D' =-6B'blinds(horizontal)*<3<*TTD' =1:Bhidden*o3>+B#style.visibility<*TT%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*]T%(D)' b=%(D:' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*=T%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*XT%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*WT%(D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*]TD' =1:Bhidden*o3>+B#style.visibility<*]T%(D' =%(D' =4@BBBB%()?)?D ' b =.7 BBBBB M -3.88889E-6 -7.40741E-7 C -0.06666 0.00116 -0.13333 0.00231 -0.16736 0.01875 C -0.20138 0.03518 -0.19843 0.08588 -0.20468 0.0993 *3>*B ppt_xB ppt_y=0BB aaA<*HTD' =4@BBBB%()?)?D/' b =.7 BBBBBM -1.38889E-6 2.96296E-6 C -0.07153 0.04004 -0.14305 0.08078 -0.18837 0.16041 C -0.23368 0.23981 -0.25781 0.42477 -0.2717 0.47777 *3>*B ppt_xB ppt_y=B0BB aaApBB33 BJt><*BTD' =4@BBBB%()?)?D' b =.7 BBBBBM 1.94444E-6 7.40741E-7 C -0.07118 0.05671 -0.14219 0.11342 -0.18594 0.1706 C -0.22969 0.22778 -0.25017 0.31389 -0.26267 0.34259 *3>*B ppt_xB ppt_y=0BB aaA<*ATD' =4@BBBB%()?)?D\' b =.$7 BBBBB]M -5.55556E-7 -4.07407E-6 L -0.03941 0.12593 *3>*B ppt_xB ppt_y=0BBAA<*CTD' =4@BBBB%()?)?D' b =.7 BBBBBM 2.77778E-6 -1.11111E-6 C -0.03871 0.01875 -0.07743 0.03773 -0.10121 0.05416 C -0.125 0.0706 -0.13611 0.0919 -0.14306 0.0993 *3>*B ppt_xB ppt_y=0BB aaA<*JTD' =4@BBBB%()?)?D' b =.7 BBBBBM 1.11111E-6 -1.11111E-6 C -0.10452 0.01574 -0.20903 0.03148 -0.27205 0.06666 C -0.33507 0.10185 -0.3566 0.15625 -0.37795 0.21088 *3>*B ppt_xB ppt_y=0BB aaA<*ITD' =4@BBBB%()?)?D' b =.7 BBBBBM -2.77778E-7 3.7037E-6 C 0.01597 0.02731 0.03212 0.05486 0.05104 0.07592 C 0.06996 0.09699 0.10347 0.11852 0.11389 0.12708 *3>*B ppt_xB ppt_y=0BB aaA<*=TD' =4@BBBB%()?)?DN' b =.7 BBBBBOM 0.0 2.59259E-6 L 0.14167 2.59259E-6 *3>*B ppt_xB ppt_y=0BBAA<*WTD' =4@BBBB%()?)?D' b =.7 BBBBBM -0.00035 0.00092 C 0.02552 -0.03449 0.05156 -0.06968 0.07761 -0.08125 C 0.10365 -0.09283 0.14288 -0.0713 0.15538 -0.06875 *3>*B ppt_xB ppt_y=0BB aaA<*XTDh' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*ZT%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*[T%(D"' =%(Da' =4@BB BB%()))D' b=-o6Bdissolve*<3<*ZTD' b=1:Bhidden*o3>+B#style.visibility<*ZT%(Da' =4@BB BB%()))D' b=-o6Bdissolve*<3<*[TD' b=1:Bhidden*o3>+B#style.visibility<*[T%(D' =%(|D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*]T%(D' b=%(Di' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*YT%(D' =+4 8?\CB#ppt_xBCB#ppt_xB*Y3>B ppt_x<*YTD' =+4 8?dCB1+#ppt_h/2BCB#ppt_yB*Y3>B ppt_y<*YTD>' =A@BB BB0B %(D' =-o6Bdissolve*<3<*]TD' =1:Bhidden*o3>+B#style.visibility<*]T%(D' =%(D' =A@BBBB0B %(D' =1:Bvisible*o3>+B#style.visibility<*]T%(D' b=%(Di' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*\T%(D' =+4 8?\CB#ppt_xBCB#ppt_xB*Y3>B ppt_x<*\TD' =+4 8?dCB1+#ppt_h/2BCB#ppt_yB*Y3>B ppt_y<*\TD>' =A@BB BB0B %(D' =-o6Bdissolve*<3<*]TD' =1:Bhidden*o3>+B#style.visibility<*]T%(D' =%(D' =A@BBBB0B %(D' =1:Bvisible*o3>+B#style.visibility<*]T%(++0+@T ++0+NT ++0+NT ++0+UT ++0+UT ++0+VT ++0+YT ++0+\T ++0+]T ++0+]T ++0+]T ++0+]T ++0+]T ++0+]T ++0+]T ++0+]T ++0+]T ++0+ ]T ++0+ ]T ++0+ ]T ++0+ ]T +%bK0 $}$DpQ$(  PN .Q C &AGehirn=,  /Q 0 Y jback 233a U 0F Zv 0Q  C2 1Q Z33d33jJ" G"2 2Q Z3d33jJ" JP2 3Q Z3d33jJ" z P 2 4Q Z33d33jJ" ;M2 5Q Z33d33jJ" u2 6Q Z33d33jJ" x2 7Q Z33d33jJ" /N 2 8Q T333jJ"  $ m2 9Q Z3d33jJ"   M2 :Q Z33d33jJ" wZ 2 ;Q Z33d33jJ"  p 6 2 Q Z33d33jJ" pu6 ZB ?Q s *D33jJZB @Q s *D33jJpZB AQ s *D33jJtS S ZB BQ s *D33jJGwZB CQ s *D33jJ/ZB DQ s *D33jJtZB EQ s *D33jJPZB FQ s *D33jJZB GQ s *D33jJJ = ZB HQ s *D33jJ ZB IQ s *D33jJ ZB JQ s *D33jJ:}ZB KQ s *D33jJwZB LQ s *D33jJM  ZB MQ s *D33jJ  ZB NQ s *D33jJ=ZB OQ s *D33jJ @ }ZB PQ s *D33jJ M }ZB QQ s *D33jJ<N <ZB RQ s *D33jJJM ZB SQ s *D33jJ/ZB TQ s *D33jJwZB UQ s *D33jJ ]ZB VQ s *D33jJ ZB WQ s *D33jJ m pZB XQ s *D33jJZB YQ s *D33jJg/2 ZQ T33jJ" ZB [Q s *D33jJ# ZB \QB s *D33jJ~ PZB ]Q s *D33jJ 2 ^Q Z33d33jJ" /?2 _Q Z3d33jJ" ZB `Q s *D33jJ# "ZB aQ s *D33jJ 2 bQ Z33d33jJ" f v2 cQ Z33d33jJ" f v2 dQ Z33d33jJ" f vZB eQ s *D33jJ : ZB fQ s *D33jJ: : ZB gQ s *D33jJg w ZB hQ s *D33jJ = ZB iQ s *D33jJ=6   jQ s *L   - Neuronale Reprsentationen 2bU 0 kQ N࿔o?"0@NNN?NID*  X Lernen im Netzwerk! 2!$. lQ NDĔo?"0@NNN?N  x- Lernen an Synapsen 2cU 0+ mQ N8Ȕo?"0@NNN?N   u- Neuromodulation 2dU 01 nQ N0̔o?"0@NNN?N   {- Semantische Netzwerke 2eU 0 oQ NДo?"0@NNN?N`qZ ?Inhalt: 2* pQ NӔo?"0@NNN?N   t- Literaturtipps 2fU 0H P 0޽h ? 33___PPT10i.cL },+D=' b= @B +&b ["S"0G !(   2 6 Z33d33jJ" "G2 7 Z33d33jJ" PJ2 8 Z33d33jJ" Pz  2 9 Z33d33jJ" ;M2 : Z33d33jJ" u2 ; Z33d33jJ" x2 < Z33d33jJ" /N 2 = Z33d33jJ"  $ m2 > Z33d33jJ"  M2 ? Z33d33jJ" Zw 2 @ Z33d33jJ" p 6 2 A Z33d33jJ"  c 2 B Z33d33jJ" pK6 2 C Z33d33jJ" pu6 RB D s *D33jJRB E s *D33jJpRB F s *D33jJS tS RB G s *D33jJGwRB H s *D33jJ/RB I s *D33jJtRB J s *D33jJPRB K s *D33jJRB L s *D33jJ J= RB M s *D33jJ RB N s *D33jJ RB O s *D33jJ:}RB P s *D33jJwRB Q s *D33jJM  RB R s *D33jJ  RB S s *D33jJ=RB T s *D33jJ@ }RB U s *D33jJM  }RB V s *D33jJ<N <RB W s *D33jJJM RB X s *D33jJ/RB Y s *D33jJwRB Z s *D33jJ ]RB [ s *D33jJ RB \ s *D33jJm pRB ] s *D33jJRB ^ s *D33jJg/2 c Z33d33jJ" RB f s *D33jJ# RB g @ s *D33jJP~ RB h s *D33jJ 2 i Z33d33jJ" /?2 j Z33d33jJ" RB k s *D33jJ# "RB l s *D33jJ  m 033C"?,  BInputschicht A 2 n 0|I 0 Gneuronales Netzwerk 22 o Z33d33jJ" f v2 p Z33d33jJ" f v2 q Z33d33jJ" f v r 0f qM BInputschicht B 2RB s s *D33jJ : RB u s *D33jJ :: RB v s *D33jJ gw RB w s *D33jJ = RB x s *D33jJ6 = d { c <A33j0217120[1]/6d | c <A33HM00374_[1]'RB } s *D33jJI:RB ~ s *D33jJvwwRB  s *D33jJI-RB  s *D33jJzT6]RB  @ s *D33jJT6RB  @ s *D33jJTd"  s *"`) "Die Abbildung zeigt ein stark systematisiertes, neuronales Netzwerk, anhand dessen einige zentrale Prinzipien des Lernens verdeutlicht werden sollen. Aktive Verbindungen und Neuronen werden jeweils rot eingefrbt, whrend blaue Zellen und Verbindungen nicht aktiv sind. Die Dicke der Verbindungslinien stellt ihre Strke dar. Zellen, die sehr starke Verbindungen zueinander haben, knnen sich leichter gegenseitig aktivieren.\ 2333..  N o?"6@`NNN?N, ,$D 0 >weiter(2 B  s *޽h ? 33___PPT10.N;#i+ZDo' b= @B D*' = @BA?%,( < +O%,( < +Da' b=%(%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<* %(+8+0+  +@wb 00PZ K0(  2  Z33d33jJ" "G2  Z33d33jJ" PJ2  Z33d33jJ" Pz  2  Z33djJ" ;M2  Z33d33jJ" u2  Z33d33jJ" x2  Z33d33jJ" /N 2  Z33d33jJ"  $ m2  Z33djJ"  M2  Z33djJ" Zw 2  Z33d33jJ" p 6 2  Z33d33jJ"  c 2  Z33d33jJ" pK6 2  Z33d33jJ" pu6 RB  s *D33jJRB  s *D33jJpRB  s *D33jJS tS RB  s *D33jJGwRB  s *D33jJ/RB  s *D33jJtRB  s *D33jJPRB  s *D33jJRB  s *D33jJ J= RB  s *D33jJ RB  s *D33jJ RB  s *D33jJ:}RB  s *D33jJwRB  s *D33jJM  RB  s *D33jJ  RB  s *D33jJ=RB  s *D33jJ@ }RB  s *D33jJM  }RB  s *D33jJ<N <RB  s *D33jJJM RB  s *D33jJ/RB  s *D33jJwRB  s *D33jJ ]RB  s *D33jJ RB  s *D33jJm pRB  s *D33jJRB  s *D33jJg/2  Z33d33jJ" RB  s *D33jJ# RB @ s *D33jJP~ RB  s *D33jJ 2  Z33d33jJ" /?2  Z33d33jJ" RB  s *D33jJ# "RB  s *D33jJ   0,  BInputschicht A 2  0l$I 0 Gneuronales Netzwerk 22  Z33d33jJ" f v2  Z33d33jJ" f v2  Z33d33jJ" f v  0(f qM BInputschicht B 2RB  s *D33jJ : RB  s *D33jJ :: RB  s *D33jJ gw RB  s *D33jJ = RB  s *D33jJ6 = d  c <A33j0217120[1]/6d  c <A33HM00374_[1]'RB  s *D33jJI:RB  s *D33jJvwwRB  s *D33jJI-RB  s *D33jJzT6]RB @ s *D33jJT6RB @ s *D33jJTd"#  s *h0"` %  Eine Eule lst in den Rezeptoren der Retina ein Erregungsmuster aus, welches wiederum ein Erregungsmuster auf der Inputschicht A auslst. 2~  C "A eule<,$@ 0B  s *D3jJzS5],$@ 0B @ s *D3jJSc",$D 02  T3f33jJ" ,$D  02  T3f33jJ" ,$D  0  s *7"` %[,$@   0 GDas Erregungsmuster auf der Inputschicht A erzeugt wiederum ein Erregungsmuster im assoziativen neuronalen Netzwerk, welches mit der Verarbeitung des Stimuli befasst ist. Dabei werden nicht alle mglichen Verbindungsbahnen aktiviert, und nicht alle angesprochenen Zellen aktiv. 2B  s *D3jJ ,$@ 0B @ s *D3jJP~ ,$D 02  T3fjJ"  M,$D 02  T3fjJ" p 6 ,$D 0B  s *D3jJ  ,$D 0B  s *D3jJ<N <,$D 0B  s *D3jJJM ,$D 0B  s *D3jJM  },$D 02  T3f33jJ"  c ,$D 02  T3f33jJ" x,$D 02   T3f33jJ" Pz  ,$D 0B   s *D3jJM  ,$D 0   s *C %$,$@  0 rDieses neuronale Erregungsmuster stellt nun die neuronale Reprsentation dieser spezifischen Situation mit dem Input  Eule dar. Es gibt also keine einzelne Zelle, die den Inhalt  Eule trgt, sondern die gemeinsame Aktivitt der Zellen reprsentiert den Inhalt. B  20).   NFo?"6@`NNN?N@ 3 ,$D 0 >weiter(2 B  s *޽h ? 333F+F___PPT10 F.R; +aDC' b= @B DB' = @BA?%,( < +O%,( < +Da' b=%(%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<* %(D.' b=%(D' =%(DG' =4@BBB B%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =-6B'blinds(horizontal)*<3<*D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<* D' =1:Bhidden*o3>+B#style.visibility<* %(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<* %(D ' b=%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<* D' =1:Bhidden*o3>+B#style.visibility<* %(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<* %(D' b=%(Di' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =+4 8?\CB#ppt_xBCB#ppt_xB*Y3>B ppt_x<*D' =+4 8?dCB1+#ppt_h/2BCB#ppt_yB*Y3>B ppt_y<*D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<* D' =1:Bhidden*o3>+B#style.visibility<* %(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<* %(D' b=%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<* D' =1:Bhidden*o3>+B#style.visibility<* %(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =%(D' =4@BBBB%())))?D' b=1:Bvisible*o3>+B#style.visibility<*%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<* %(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<* %(D' =%( D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<* %(D' b=%(Di' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<* %(D' =+4 8?\CB#ppt_xBCB#ppt_xB*Y3>B ppt_x<* D' =+4 8?dCB1+#ppt_h/2BCB#ppt_yB*Y3>B ppt_y<* D>' =A@BB BB0B %(D' =-o6Bdissolve*<3<* D' =1:Bhidden*o3>+B#style.visibility<* %(D' =%(D' =A@BBBB0B %(D' =1:Bvisible*o3>+B#style.visibility<* %(++0+ ++0+  ++0+  ++0+  ++0+  ++0+  ++0+  ++0+  ++0+  ++0+  ++0+  ++0+  ++0+  +-\b ((`S(((  2  Z33djJ" "G2  Z33djJ" PJ2  Z33djJ" Pz  2  Z33djJ" ;M2  Z33djJ" u2  Z33djJ" x2  Z33djJ" /N 2  Z33djJ"  $ m2  Z33djJ"  M2  Z33djJ" Zw 2  Z33djJ" p 6 2  Z33djJ"  c 2  Z33djJ" pK6 2  Z33djJ" pu6 RB  s *DjJRB  s *DjJpRB  s *DjJS tS RB  s *DjJGwRB  s *DjJ/RB  s *DjJtRB  s *DjJPRB  s *DjJRB  s *DjJ J= RB  s *DjJ RB  s *DjJ RB  s *DjJ:}RB  s *DjJwRB  s *DjJM  RB  s *DjJ  RB  s *DjJ=RB  s *DjJ@ }RB  s *DjJM  }RB  s *DjJ<N <RB  s *DjJJM RB  s *DjJ/RB  s *DjJwRB  s *DjJ ]RB  s *DjJ RB  s *DjJm pRB  s *DjJRB  s *DjJg/2  Z33djJ" RB  s *DjJ# RB @ s *DjJP~ RB  s *DjJ 2  Z33djJ" /?2  Z33djJ" RB  s *DjJ# "RB  s *DjJ   0,  BInputschicht A 2  0I 0 Gneuronales Netzwerk 22  Z33djJ" f v2  Z33djJ" f v2  Z33djJ" f v  0f qM BInputschicht B 2RB  s *DjJ : RB  s *DjJ :: RB  s *DjJ gw RB  s *DjJ = RB  s *DjJ6 = d  c <Aj0217120[1]/6X  C 0AHM00374_[1]'RB  s *DjJI:RB  s *DjJvwwRB  s *DjJI-RB  s *DjJzT6]RB @ s *DjJT6RB @ s *DjJTd"(  s *ďSs  Zellen, die gemeinsam aktiv sind, verstrken Ihre Verbindungen zueinander, so dass sie sich bei zuknftiger Erregung leichter gegenseitig aktivieren knnen. 2B  s *DԔzS5],$@ 0B @ s *DԔSc",$D 0B  s *DԔ ,$D 0B @ s *DԔP~ ,$D 0B  s *DԔ  ,$D 0B  s *DԔM  ,$D  0B  s *DԔ  O,$D  0B  s *DԔJM ,$D  0  s *& ,$@   0 cVerbindungen, die kaum genutzt werden, werden mit der Zeit immer schwcher (use it, or lose it). ,d 2LPLB  0DjJ<N <,$@ 0B  0DjJ/,$@ 0B  0DjJ/,$@ 0.  NРo?"6@`NNN?N ~ q_ ,$D 0 >weiter(2 B  s *޽h ? 33C3;3___PPT103.@ +pD0' b= @B D0' = @BA?%,( < +O%,( < +Da' b=%(%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*%(DO' b=%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*D' =1:Bhidden*o3>+B#style.visibility<*%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' b=%(Di' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =+4 8?\CB#ppt_xBCB#ppt_xB*Y3>B ppt_x<*D' =+4 8?dCB1+#ppt_h/2BCB#ppt_yB*Y3>B ppt_y<*D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*D' =1:Bhidden*o3>+B#style.visibility<*%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*%(Do' b=%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*D' =1:Bhidden*o3>+B#style.visibility<*%(D1' =4@BB BB%(D' =-o6Bdissolve*<3<*D' =1:Bhidden*o3>+B#style.visibility<*%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(D1' =4@BB BB%(D' =-o6Bdissolve*<3<*D' =1:Bhidden*o3>+B#style.visibility<*%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(D1' =4@BB BB%(D' =-o6Bdissolve*<3<*D' =1:Bhidden*o3>+B#style.visibility<*%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*%(++0+ ++0+ ++0+ ++0+ ++0+ ++0+ ++0+ ++0+ ++0+ +|\b o,g,Ya,(  > J s *%   Der Schrei einer Eule wiederum lst ber die Inputschicht B ein anderes neuronales Erregungsmuster aus, welches durch die gemeinsame Aktivitt den jeweiligen Input reprsentiert. 2 ` 3 A ` X $ 0U 02  Z33djJ" "G2  Z33djJ" PJ2  Z33djJ" Pz  2  Z33djJ" ;M2  Z33djJ" u2   Z33djJ" x2   Z33djJ" /N 2   Z33djJ"  $ m2   Z33djJ"  M2   Z33djJ" Zw 2  Z33djJ" p 6 2  Z33djJ"  c 2  Z33djJ" pK6 2  Z33djJ" pu6 RB  s *DjJRB  s *DjJpRB  s *DjJS tS RB  s *DjJGwXB  0DjJ/RB  s *DjJtRB  s *DjJPRB  s *DjJRB  s *DjJ J= RB  s *DjJ RB  s *DjJ RB  s *DjJ:}RB  s *DjJwRB  s *DԔM  RB   s *DԔ  RB ! s *DjJ=RB " s *DjJ@ }RB # s *DԔM  }XB $ 0DjJ<N <RB % s *DԔJM XB & 0DjJ/RB ' s *DjJwRB ( s *DjJ ]RB ) s *DjJ RB * s *DjJm pRB + s *DjJRB , s *DjJg/2 - Z33djJ" RB . s *DjJ# RB /@ s *DԔP~ RB 0 s *DԔ 2 1 Z33djJ" /?2 2 Z33djJ" RB 3 s *DjJ# "RB 4 s *DjJ  5 0י,  BInputschicht A 2 6 0ۙI 0 Gneuronales Netzwerk 22 7 Z33djJ" f v2 8 Z33djJ" f v2 9 Z33djJ" f v : 0@f qM BInputschicht B 2RB ; s *DjJ : RB < s *DjJ :: RB = s *DjJ gw RB > s *DjJ = RB ? s *DjJ6 = d @ c <Aj0217120[1]/6X A C 0AHM00374_[1]'RB B s *DjJI:RB C s *DjJvwwRB D s *DjJI-RB E s *DԔzT6]RB F@ s *DjJT6RB G@ s *DԔTd" I C P*wav(t)Zur Vorschau klicken   U 02 L T3fjJ" `f v,$D  02 M T3fjJ" f v,$D  02 N T3fjJ" `PJ,$D 02 O T3fjJ" pu6 ,$D 0B P s *D3jJ : ,$D  0B Q s *D3jJ :: ,$D  0B R s *D3jJ gw ,$D  0B S s *D3jJI:,$@ 0B T s *D3jJvww,$D 02 U T3fjJ" pK6 ,$D 0B V s *D3jJ,$D 0B W s *D3jJS tS ,$D 0B X s *D3jJGw,$D 0B Y s *D3jJ,$D 0B Z s *D3jJp,$D 02 [ T3fjJ" u,$D 0. a NDo?"6@`NNN?N @ 3 ,$D 0 >weiter(2 B  s *޽h ? 33//___PPT10/.@z+D.' b= @B D)' = @BA?%,( < +O%,( < +Da' b=%(%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*a%(D$' b=%(D' =%(D=' =4@BBBB%(D' =2y;BplayFrom(0.0)*<3<*`D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*aD' =1:Bhidden*o3>+B#style.visibility<*a%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*a%(D~ ' b=%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*S%(D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*aD' =1:Bhidden*o3>+B#style.visibility<*a%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*T%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*M%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*L%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*P%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*Q%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*R%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*O%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*U%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*V%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*W%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*X%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*Y%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*Z%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*[%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*N%(D'  =0BcancelBubble@BA?%<(<*`%<(<*`_%(D' =%(D' =%(D=' =4@BBBB%(D' =2y;BplayFrom(0.0)*<3<*`D7'  = B B<*`%(/%,( < +/%,( < +/%,( < +)++0+a ++0+a ++0+a ++0+a += b %%PR%(  2  Z33djJ" "G2  Z33djJ" PJ2  Z33djJ" Pz  2  Z33djJ" ;M2  Z33djJ" u2   Z33djJ" x2   Z33djJ" /N 2   Z33djJ"  $ m2   Z33djJ"  M2   Z33djJ" Zw 2  Z33djJ" p 6 2  Z33djJ"  c 2  Z33djJ" pK6 2  Z33djJ" pu6 RB  s *DjJRB  s *DjJpRB  s *DjJS tS RB  s *DjJGwXB  0DjJ/RB  s *DjJtRB  s *DjJPRB  s *DjJRB  s *DjJ J= RB  s *DjJ RB  s *DjJ RB  s *DjJ:}RB  s *DjJwRB  s *DԔM  RB   s *DԔ  RB ! s *DjJ=RB " s *DjJ@ }RB # s *DԔM  }XB $ 0DjJ<N <RB % s *DԔJM XB & 0DjJ/RB ' s *DjJwRB ( s *DjJ ]RB ) s *DjJ RB * s *DjJm pRB + s *DjJRB , s *DjJg/2 - Z33djJ" RB . s *DjJ# RB /@ s *DԔP~ RB 0 s *DԔ 2 1 Z33djJ" /?2 2 Z33djJ" RB 3 s *DjJ# "RB 4 s *DjJ  5 0 ,  BInputschicht A 2 6 0%I 0 Gneuronales Netzwerk 22 7 Z33djJ" f v2 8 Z33djJ" f v2 9 Z33djJ" f v : 0)f qM BInputschicht B 2RB ; s *DjJ : RB < s *DjJ :: RB = s *DjJ gw RB > s *DjJ = RB ? s *DjJ6 = d @ c <Aj0217120[1]/6X A C 0AHM00374_[1]'RB B s *DjJI:RB C s *DjJvwwRB D s *DjJI-RB E s *DԔzT6]RB F@ s *DjJT6RB G@ s *DԔTd"@ H s *16 3   Die Zellen, die aufgrund des auditiven Inputs ein gemeinsames Aktivittsmuster und damit eine neuronale Reprsentation gebildet haben, verstrken wiederum Ihre Kontakte zueinander. 2B I s *DԔ gw ,$@ 0B J s *DԔ ::f ,$@ 0B K s *DԔ : ,$@ 0B L s *DԔS tS ,$@  0B M s *DԔGw,$@  0B N s *DԔp,$@  0B O s *DԔI:,$@ 0B P s *DԔvww,$@ 0B Q s *DԔ,$D  0. R Nh;o?"6@`NNN?NV  ,$D 0 >weiter(2 B  s *޽h ? 33>6___PPT10.@@9+ DB' b= @B D' = @BA?%,( < +O%,( < +Da' b=%(%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*R%(D' b=%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*O%(D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*RD' =1:Bhidden*o3>+B#style.visibility<*R%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*P%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*I%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*J%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*K%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*L%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*M%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*N%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*Q%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*R%(++0+R ++0+R ++0+R +]b 99lu x9(   2  Z33djJ" "G2  Z33djJ" PJ2  Z33djJ" Pz  2  Z33djJ" ;M2  Z33djJ" u2  Z33djJ" x2  Z33djJ" /N 2  Z33djJ"  $ m2  Z33djJ"  M2  Z33djJ" Zw 2  Z33djJ" p 6 2  Z33djJ"  c 2  Z33djJ" pK6 2  Z33djJ" pu6 RB  s *DjJRB  s *DԔpRB  s *DԔS tS RB  s *DԔGwXB  0DjJ/RB  s *DjJtRB  s *DjJPRB  s *DԔRB  s *DjJ J= RB  s *DjJ RB  s *DjJ RB  s *DjJ:}RB  s *DjJwRB  s *DԔM  RB  s *DԔ  RB ! s *DjJ=RB " s *DjJ@ }RB # s *DԔM  }XB $ 0DjJ<N <RB % s *DԔJM XB & 0DjJ/RB ' s *DjJwRB ( s *DjJ ]RB ) s *DjJ RB * s *DjJm pRB + s *DjJRB , s *DjJg/2 - Z33djJ" RB . s *DjJ# RB / @ s *DԔP~ RB 0 s *DԔ 2 1 Z33djJ" /?2 2 Z33djJ" RB 3 s *DjJ# "RB 4 s *DjJ  5 0^,  BInputschicht A 2 6 0PcI 0 Gneuronales Netzwerk 22 7 Z33djJ" f v2 8 Z33djJ" f v2 9 Z33djJ" f v : 0gf qM BInputschicht B 2RB ; s *DԔ : RB < s *DԔ :: RB = s *DԔ gw RB > s *DjJ = RB ? s *DjJ6 = d @ c <Aj0217120[1]/6X A C 0AHM00374_[1]'RB B s *DԔI:RB C s *DԔvwwRB D s *DjJI-RB E s *DԔzT6]RB F @ s *DjJT6RB G @ s *DԔTd" H s *o J  sAIn der Regel werden Umweltereignisse nicht nur durch eine Sinnesmodalitt wahrgenommen, sondern durch mehrere. Nimmt das neuronale Netzwerk (Gehirn) Informationen ber die Augen und die Ohren auf, lst dieses ein gleichzeitiges, gemeinsames neuronales Erregungsmuster aus, welches die spezifische Situation reprsentiert.B 2B~ I C "A eule<Y,$@ 0B K s *D3ԔzS5],$@ 0B L @ s *D3ԔSc",$@  0B M s *D3ԔI:,$@  0B N s *D3Ԕvww,$D  02 P T3fjJ" ,$D  02 Q T3fjJ" ,$D  02 R T3fjJ" f v,$D 02 S T3fjJ" f v,$D 0B T s *D3Ԕ ,$D 0B U @ s *D3ԔP~ ,$D 0B V s *D3Ԕ gw ,$D 0B W s *D3Ԕ :: ,$D 0B X s *D3Ԕ : ,$D 02 [ T3fjJ"  c ,$D$ 02 ^ T3fjJ"  M,$D 02 _ T3fjJ" p 6 ,$D 02 ` T3fjJ" pK6 ,$D 02 a T3fjJ" pu6 ,$D 0B b s *D3ԔM  },$D 0B c s *D3ԔJM ,$D 0B d s *D3Ԕ  ,$D 0B e s *D3ԔS tS ,$D 0B f s *D3ԔGw,$D 0B g s *D3Ԕp,$D 02 i T3fjJ" x,$D  02 j T3fjJ" Pz  ,$D! 02 k T3fjJ" PJ,$D" 02 l T3fjJ" u,$D# 0B m s *D3Ԕ,$D 0B n s *D3ԔM  ,$D% 0z o s *` 3 ,$@'  0 Durch die gemeinsame Aktivitt dieser Ursprnglich getrennten Netzwerke werden die Verbindungen zwischen einzelnen Zellen der jeweiligen neuronalen Reprsentation ebenfalls aktiviert.  2B p s *D3jJt,$@* 0B q s *D3jJ ,$D, 0B r s *D3jJ ,$D- 0B s s *D3jJ J= ,$D. 0 t 3 A3 X $ 0U 0. u Nto?"6@`NNN?NI] P ,$D 0 >weiter(2 B  s *޽h ? 33#cc___PPT10b.D ++D`' b= @B D[' = @BA?%,( < +O%,( < +Da' b=%(%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*u %(D' b=%(Dg' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*I %(D=' =4@BBBB%(D' =2y;BplayFrom(0.0)*<3<*t D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*u D' =1:Bhidden*o3>+B#style.visibility<*u %(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*u %(D7<' b=%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*K %(D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*u D' =1:Bhidden*o3>+B#style.visibility<*u %(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*L %(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*M %(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*N %(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*P %(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*Q %(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*S %(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*R %(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*T %(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*U %(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*V %(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*W %(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*X %(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*^ %(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*_ %(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*` %(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*m %(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*a %(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*b %(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*c %(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*d %(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*e %(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*f %(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*g %(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*i %(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*j %(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*k %(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*l %(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*[ %(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*n %(D' =%( D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*u %(D' b=%(Di' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*o %(D' =+4 8?\CB#ppt_xBCB#ppt_xB*Y3>B ppt_x<*o D' =+4 8?dCB1+#ppt_h/2BCB#ppt_yB*Y3>B ppt_y<*o D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*u D' =1:Bhidden*o3>+B#style.visibility<*u %(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*u %(D ' b=%(D"' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*p %(D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*u D' =1:Bhidden*o3>+B#style.visibility<*u %(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*q %(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*r %(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*s %(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*u %(D'  =0BcancelBubble@BA?%<(<*t %<(<*t _%(D' =%(D' =%(D=' =4@BBBB%(D' =2y;BplayFrom(0.0)*<3<*t D7'  = B B<*t %(/%,( < +/%,( < +/%,( < +)+0+0+o  ++0+u  ++0+u  ++0+u  ++0+u  ++0+u  ++0+u  ++0+u  ++0+u  ++0+u  +2b ""K$w"(  $2 H$ Z33djJ" "G2 I$ Z33djJ" PJ2 J$ Z33djJ" Pz  2 K$ Z33djJ" ;M2 L$ Z33djJ" u2 M$ Z33djJ" x2 N$ Z33djJ" /N 2 O$ Z33djJ"  $ m2 P$ Z33djJ"  M2 Q$ Z33djJ" Zw 2 R$ Z33djJ" p 6 2 S$ Z33djJ"  c 2 T$ Z33djJ" pK6 2 U$ Z33djJ" pu6 RB V$ s *DjJRB W$ s *DԔpRB X$ s *DԔS tS RB Y$ s *DԔGwXB Z$ 0DjJ/RB [$ s *DjJtRB \$ s *DjJPRB ]$ s *DԔRB ^$ s *DjJ J= RB _$ s *DjJ RB `$ s *DjJ RB a$ s *DjJ:}RB b$ s *DjJwRB c$ s *DԔM  RB d$ s *DԔ  RB e$ s *DjJ=RB f$ s *DjJ@ }RB g$ s *DԔM  }XB h$ 0DjJ<N <RB i$ s *DԔJM XB j$ 0DjJ/RB k$ s *DjJwRB l$ s *DjJ ]RB m$ s *DjJ RB n$ s *DjJm pRB o$ s *DjJRB p$ s *DjJg/2 q$ Z33djJ" RB r$ s *DjJ# RB s$@ s *DԔP~ RB t$ s *DԔ 2 u$ Z33djJ" /?2 v$ Z33djJ" RB w$ s *DjJ# "RB x$ s *DjJ  y$ 0Lٝ,  BInputschicht A 2 z$ 0ޝI 0 Gneuronales Netzwerk 22 {$ Z33djJ" f v2 |$ Z33djJ" f v2 }$ Z33djJ" f v ~$ 0tf qM BInputschicht B 2RB $ s *DԔ : RB $ s *DԔ :: RB $ s *DԔ gw RB $ s *DjJ = RB $ s *DjJ6 = d $ c <Aj0217120[1]/6X $ C 0AHM00374_[1]'RB $ s *DԔI:RB $ s *DԔvwwRB $ s *DjJI-RB $ s *DԔzT6]RB $@ s *DjJT6RB $@ s *DԔTd" $ s *`  fDie Verbindungen zwischen den Zellen der neuronalen Reprsentationen werden jetzt ebenfalls verstrkt.g 2gB $ s *DԔ J= ,$@ 0B $ s *DԔ ,$@ 0B $ s *DԔ ,$@ 0B $ s *DԔt,$D 0. $ No?"6@`NNN?N P C ,$D 0 >weiter(2 B $ s *޽h ? 33z___PPT10Z.D+=r%D' b= @B DA' = @BA?%,( < +O%,( < +Da' b=%(%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*$%(D ' b=%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*$%(D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*$D' =1:Bhidden*o3>+B#style.visibility<*$%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*$%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*$%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*$%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*$%(++0+$ ++0+$ ++0+$ +b u6m6d( 6(  (2 H( Z33djJ" "G2 I( Z33djJ" PJ2 J( Z33djJ" Pz  2 K( Z33djJ" ;M2 L( Z33djJ" u2 M( Z33djJ" x2 N( Z33djJ" /N 2 O( Z33djJ"  $ m2 P( Z33djJ"  M2 Q( Z33djJ" Zw 2 R( Z33djJ" p 6 2 S( Z33djJ"  c 2 T( Z33djJ" pK6 2 U( Z33djJ" pu6 RB V( s *DjJRB W( s *DԔpRB X( s *DԔS tS RB Y( s *DԔGwXB Z( 0DjJ/RB [( s *DԔtRB \( s *DjJPRB ]( s *DԔRB ^( s *DԔ J= RB _( s *DԔ RB `( s *DԔ RB a( s *DjJ:}RB b( s *DjJwRB c( s *DԔM  RB d( s *DԔ  RB e( s *DjJ=RB f( s *DjJ@ }RB g( s *DԔM  }XB h( 0DjJ<N <RB i( s *DԔJM XB j( 0DjJ/RB k( s *DjJwRB l( s *DjJ ]RB m( s *DjJ RB n( s *DjJm pRB o( s *DjJRB p( s *DjJg/2 q( Z33djJ" RB r( s *DjJ# RB s(@ s *DԔP~ RB t( s *DԔ 2 u( Z33djJ" /?2 v( Z33djJ" RB w( s *DjJ# "RB x( s *DjJ  y( 0,  BInputschicht A 2 z( 0I 0 Gneuronales Netzwerk 22 {( Z33djJ" f v2 |( Z33djJ" f v2 }( Z33djJ" f v ~( 0f qM BInputschicht B 2RB ( s *DԔ : RB ( s *DԔ :: RB ( s *DԔ gw RB ( s *DjJ = RB ( s *DjJ6 = d ( c <Aj0217120[1]/6X ( C 0AHM00374_[1]'RB ( s *DԔI:RB ( s *DԔvwwRB ( s *DjJI-RB ( s *DԔzT6]RB (@ s *DjJT6RB (@ s *DԔTd" ( s *! C VDurch die Verstrkung der Verbindungen zwischen der auditiven und der visuellen Reprsentation der Eule kann es dazu kommen, dass de gesamte neuronale Reprsentation der Eule durch nur eine Sinnesmodalitt, zum Beispiel den Anblick der Eule, aktiviert wird. 2~~ ( C "A eulejp,$@ 0B ( s *D3ԔzS5],$@ 0B (@ s *D3ԔSc",$D 02 ( T3fjJ" ,$D  02 ( T3fjJ" ,$D  0B ( s *D3Ԕ ,$D  0B (@ s *D3ԔP~ ,$D  02 ( T3fjJ" pu6 ,$D! 02 ( T3fjJ"  M,$D  02 ( T3fjJ" p 6 ,$D 0B ( s *D3ԔJM ,$D 0B ( s *D3ԔM  },$D 0B ( s *D3Ԕ  ,$D 02 ( T3fjJ" x,$D 02 ( T3fjJ" Pz  ,$D 02 ( T3fjJ"  c ,$D 0B ( s *D3ԔM  ,$D 0B ( s *D3Ԕ J= ,$D 0B ( s *D3Ԕ ,$D 0B ( s *D3Ԕ ,$D 0B ( s *D3Ԕt,$D 02 ( T3fjJ" pK6 ,$D 02 ( T3fjJ" PJ,$D 02 ( T3fjJ" u,$D 0B ( s *D3Ԕp,$D 0B ( s *D3ԔGw,$D 0B ( s *D3Ԕ,$D 0B ( s *D3ԔS tS ,$D  0 ( s * 6 C$,$@#  0 ^Dieses kann dazu fhren, dass beim Anblick der Eule ihr Schrei gleich mit ins Bewusstsein gerufen wird. Dieser Assoziationseffekt verschiedener Sinnesmodalitten drfte z.B. dem bekannten Phnomen zugrunde liegen, dass einige Menschen beim telefonieren das Gesicht des Telefonpartners  vor Augen haben.0 20. ( ND8o?"6@`NNN?N @ 3 ,$D 0 >weiter(2 B ( s *޽h ? 33KK___PPT10K.D+te>DI' b= @B DI' = @BA?%,( < +O%,( < +Da' b=%(%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*(%(Dk' b=%(D"' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*(%(D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*(D' =1:Bhidden*o3>+B#style.visibility<*(%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*(%(D;7' b=%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*(%(D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*(D' =1:Bhidden*o3>+B#style.visibility<*(%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*(%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*(%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*(%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*(%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*(%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*(%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*(%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*(%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*(%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*(%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*(%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*(%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*(%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*(%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*(%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*(%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*(%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*(%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*(%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*(%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*(%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*(%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*(%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*(%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*(%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*(%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*(%(D' b=%(Di' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*(%(D' =+4 8?\CB#ppt_xBCB#ppt_xB*Y3>B ppt_x<*(D' =+4 8?dCB1+#ppt_h/2BCB#ppt_yB*Y3>B ppt_y<*(D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*(D' =1:Bhidden*o3>+B#style.visibility<*(%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*(%(++0+( ++0+( ++0+( ++0+( ++0+( ++0+( ++0+( ++0+( +'b ::o,4:(  ,2 H, Z33djJ" "G2 I, Z33djJ" PJ2 J, Z33djJ" Pz  2 K, Z33djJ" ;M2 L, Z33djJ" u2 M, Z33djJ" x2 N, Z33djJ" /N 2 O, Z33djJ"  $ m2 P, Z33djJ"  M2 Q, Z33djJ" Zw 2 R, Z33djJ" p 6 2 S, Z33djJ"  c 2 T, Z33djJ" pK6 2 U, Z33djJ" pu6 RB V, s *DjJRB W, s *DԔpRB X, s *DԔS tS RB Y, s *DԔGwXB Z, 0DjJ/RB [, s *DԔtRB \, s *DjJPRB ], s *DԔRB ^, s *DԔ J= RB _, s *DԔ RB `, s *DԔ RB a, s *DjJ:}RB b, s *DjJwRB c, s *DԔM  RB d, s *DԔ  RB e, s *DjJ=RB f, s *DjJ@ }RB g, s *DԔM  }XB h, 0DjJ<N <RB i, s *DԔJM XB j, 0DjJ/RB k, s *DjJwRB l, s *DjJ ]RB m, s *DjJ RB n, s *DjJm pRB o, s *DjJRB p, s *DjJg/2 q, Z33djJ" RB r, s *DjJ# RB s,@ s *DԔP~ RB t, s *DԔ 2 u, Z33djJ" /?2 v, Z33djJ" RB w, s *DjJ# "RB x, s *DjJ  y, 0|,  BInputschicht A 2 z, 0\I 0 Gneuronales Netzwerk 22 {, Z33djJ" f v2 |, Z33djJ" f v2 }, Z33djJ" f v ~, 0f qM BInputschicht B 2RB , s *DԔ : RB , s *DԔ :: RB , s *DԔ gw RB , s *DjJ = RB , s *DjJ6 = d , c <Aj0217120[1]/6X , C 0AHM00374_[1]'RB , s *DԔI:RB , s *DԔvwwRB , s *DjJI-RB , s *DԔzT6]RB ,@ s *DjJT6RB ,@ s *DԔTd" , s * 3  )Nun ist es eher unwahrscheinlich, dass ein Mensch in seinem Leben ausschlielich immer der selben Eule in einer hnlichen Situation begegnet. Die Begegnung mit einer anderen Eule lst allerdings auch eine etwas andere neuronale Reprsentation aus. 2 , C $A eule2y,$@ 0 , 3 A X $ 0U 0B , s *D3ԔzS5],$@ 0B ,@ s *D3ԔSc",$@  02 , Zf3djJ" ,$D  02 , Zf3djJ" ,$D  0B , s *D3ԔI:,$@  0B , s *D3Ԕvww,$D  02 , Zf3djJ" f v,$D 02 , Zf3djJ" f v,$D 0B ,@ s *D3ԔP~ ,$D 0B , s *D3jJ# ",$D 0B , s *D3Ԕ ,$D 0B , s *D3Ԕ : ,$D 0B , s *D3Ԕ :: ,$D 0B , s *D3Ԕ gw ,$D 02 , Zf3djJ" "G,$D- 02 , Zf3djJ"  M,$D 02 , Zf3djJ"  $ m,$D 02 , Zf3djJ" pu6 ,$D 02 , Zf3djJ" p 6 ,$D 02 , Zf3djJ" pK6 ,$D 0B , s *D3ԔJM ,$D 0B , s *D3ԔM  },$D 0B , s *D3jJ@ },$D 0B , s *D3jJm p,$D 0B , s *D3Ԕp,$D 0B , s *D3ԔS tS ,$D  0B , s *D3ԔGw,$D! 0B , s *D3Ԕ  ,$D" 0B , s *D3Ԕ  ,$D# 0B , s *D3Ԕ,$D$ 02 , Zf3djJ"  c ,$D& 02 , Zf3djJ" Pz  ,$D% 02 , Zf3djJ" PJ,$D' 0B , s *D3ԔM  ,$D( 0B , s *D3Ԕ ,$D) 0B , s *D3Ԕ ,$D* 0B , s *D3jJ,$D+ 0B , s *D3jJw,$D, 0. , No?"6@`NNN?N ~ ,$D 0 >weiter(2 B , s *޽h ? 331Y)Y___PPT10 Y.D+I<DW' b= @B DAV' = @BA?%,( < +O%,( < +Da' b=%(%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' b=%(Dg' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D=' =4@BBBB%(D' =2y;BplayFrom(0.0)*<3<*,D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*,D' =1:Bhidden*o3>+B#style.visibility<*,%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*,%(DWK' b=%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*,D' =1:Bhidden*o3>+B#style.visibility<*,%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%( D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*,%(D7'  = B B<*,%(/%,( < +/%,( < +/%,( < +)++0+, ++0+, ++0+, ++0+, ++0+, +m b .. \^8A.(  82 8 Z33djJ" "G2 8 Z33djJ" PJ2 8 Z33djJ" Pz  2 8 Z33djJ" ;M2 8 Z33djJ" u2  8 Z33djJ" x2  8 Z33djJ" /N 2  8 Z33djJ"  $ m2  8 Z33djJ"  M2  8 Z33djJ" Zw 2 8 Z33djJ" p 6 2 8 Z33djJ"  c 2 8 Z33djJ" pK6 2 8 Z33djJ" pu6 RB 8 s *DjJRB 8 s *DԔpRB 8 s *DԔS tS RB 8 s *DԔGwXB 8 0DjJ/RB 8 s *DԔtRB 8 s *DjJPRB 8 s *DԔRB 8 s *DԔ J= RB 8 s *DԔ RB 8 s *DԔ RB 8 s *DjJ:}RB 8 s *DjJwRB 8 s *DԔM  RB  8 s *DԔ  RB !8 s *DjJ=RB "8 s *DjJ@ }RB #8 s *DԔM  }XB $8 0DjJ<N <RB %8 s *DԔJM XB &8 0DjJ/RB '8 s *DjJwRB (8 s *DjJ ]RB )8 s *DjJ RB *8 s *DjJm pRB +8 s *DjJRB ,8 s *DjJg/2 -8 Z33djJ" RB .8 s *DjJ# RB /8@ s *DԔP~ RB 08 s *DԔ 2 18 Z33djJ" /?2 28 Z33djJ" RB 38 s *DjJ# "RB 48 s *DjJ  58 0,  BInputschicht A 2 68 0tI 0 Gneuronales Netzwerk 22 78 Z33djJ" f v2 88 Z33djJ" f v2 98 Z33djJ" f v :8 0f qM BInputschicht B 2RB ;8 s *DԔ : RB <8 s *DԔ :: RB =8 s *DԔ gw RB >8 s *DjJ = RB ?8 s *DjJ6 = d @8 c <Aj0217120[1]/6X A8 C 0AHM00374_[1]'RB B8 s *DԔI:RB C8 s *DԔvwwRB D8 s *DjJI-RB E8 s *DԔzT6]RB F8@ s *DjJT6RB G8@ s *DԔTd" H8 s *   zWiederum verstrken sich die gemeinsam aktiven Verbindungen, deren Zellen diese spezifische Situation reprsentiert haben.{ 2{H I8 s *   ,$@  0 Dabei verstrken sich die Verbindungen, die bei den vorherigen Erfahrungen mit Eulen noch nicht beteiligt waren, um das bliche Niveau.  2B J8 s *DԔ,$@ 0B K8 s *DԔJ,$@ 0B L8 s *DԔ@ },$@  0B M8 s *DԔm p,$@  0B N8 s *DԔ# ",$D  0  O8 s *p  p,$@   0 ~LEntscheidend fr den Lernprozess ist allerdings, dass sich die Verbindungen, die auch bei den vorherigen Erfahrungen mit Eulen schon aktiv waren, noch weiter verstrken und damit quasi ein Kernnetzwerk bilden, dass sehr leicht abrufbar geworden ist, und das jeweils Gemeinsame in der Begegnung mit Eulen reprsentiert und speichert.M 2MB P8 s *D) ,$@ 0B Q8@ s *D)P~ ,$@ 0B R8 s *D)  ,$@ 0B S8 s *D)M  },$@ 0B T8 s *D){ ,$@ 0B U8 s *D)  ,$@ 0B V8 s *D)S tS ,$@ 0B W8 s *D)Gw,$D 0B X8 s *D),$@ 0B Y8 s *D) ,$@ 0B Z8 s *D)M  ,$@ 0B [8 s *D) gw ,$@ 0B \8 s *D) :: ,$@ 0B ]8 s *D) : ,$@ 0. ^8 No?"6@`NNN?N ,$D 0 >weiter(2 H 8 0޽h ? 33>>___PPT10>.GA+iD<' b= @B D;' = @BA?%,( < +O%,( < +Da' b=%(%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*^8%(D' b=%(Di' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*I8%(D' =+4 8?\CB#ppt_xBCB#ppt_xB*Y3>B ppt_x<*I8D' =+4 8?dCB1+#ppt_h/2BCB#ppt_yB*Y3>B ppt_y<*I8D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*^8D' =1:Bhidden*o3>+B#style.visibility<*^8%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*^8%(D ' b=%(DR ' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*J8%(D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*^8D' =1:Bhidden*o3>+B#style.visibility<*^8%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*K8%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*L8%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*M8%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*N8%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*^8%(D' b=%(Di' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*O8%(D' =+4 8?\CB#ppt_xBCB#ppt_xB*Y3>B ppt_x<*O8D' =+4 8?dCB1+#ppt_h/2BCB#ppt_yB*Y3>B ppt_y<*O8D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*^8D' =1:Bhidden*o3>+B#style.visibility<*^8%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*^8%(D' b=%(D>' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*P8%(D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*^8D' =1:Bhidden*o3>+B#style.visibility<*^8%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*Q8%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*[8%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*\8%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*]8%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*R8%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*S8%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*T8%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*U8%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*V8%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*X8%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*Y8%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*Z8%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*W8%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*^8%(+h+0+I8 ++0+O8 ++0+^8 ++0+^8 ++0+^8 ++0+^8 ++0+^8 ++0+^8 ++0+^8 ++0+^8 ++0+^8 +qZb ..X[0;.(  02 0 Z33djJ" "G2 0 Z33djJ" PJ2 0 Z33djJ" Pz  2 0 Z33djJ" ;M2 0 Z33djJ" u2  0 Z33djJ" x2  0 Z33djJ" /N 2  0 Z33djJ"  $ m2  0 Z33djJ"  M2  0 Z33djJ" Zw 2 0 Z33djJ" p 6 2 0 Z33djJ"  c 2 0 Z33djJ" pK6 2 0 Z33djJ" pu6 RB 0 s *DԔRB 0 s *DԔpRB 0 s *D)S tS RB 0 s *D)GwXB 0 0DjJ/RB 0 s *DԔtRB 0 s *DjJPRB 0 s *D)RB 0 s *D) J= RB 0 s *D) RB 0 s *D) RB 0 s *DjJ:}RB 0 s *DԔwRB 0 s *D)M  RB  0 s *D)  RB !0 s *DjJ=RB "0 s *DԔ@ }RB #0 s *D)M  }XB $0 0DjJ<N <RB %0 s *DԔJM XB &0 0DjJ/RB '0 s *DjJwRB (0 s *DjJ ]RB )0 s *DjJ RB *0 s *DԔm pRB +0 s *DjJRB ,0 s *DjJg/2 -0 Z33djJ" RB .0 s *DjJ# RB /0@ s *D)P~ RB 00 s *D) 2 10 Z33djJ" /?2 20 Z33djJ" RB 30 s *DԔ# "RB 40 s *DjJ  50 0dT,  BInputschicht A 2 60 04YI 0 Gneuronales Netzwerk 22 70 Z33djJ" f v2 80 Z33djJ" f v2 90 Z33djJ" f v :0 0]f qM BInputschicht B 2RB ;0 s *D) : RB <0 s *D) :: RB =0 s *D) gw RB >0 s *DjJ = RB ?0 s *DjJ6 = d @0 c <Aj0217120[1]/6X A0 C 0AHM00374_[1]'RB B0 s *DԔI:RB C0 s *DԔvwwRB D0 s *DjJI-RB E0 s *DԔzT6]RB F0@ s *DjJT6RB G0@ s *DԔTd" H0 s *xe Y  0Durch das Verstrken gemeinsam aktiver Verbindungen und das Abschwchen selten genutzter Verbindungen abstrahiert das neuronale Netzwerk also vom Spezifischen zum Allgemeinen. Aus einer Reihe einzelner Erfahrungen wird also eine Kategorie  Eule gebildet. 22 I0 ZdjJ" pu6 ,$@  02 J0 ZdjJ"  M,$@ 02 K0 ZdjJ" Pz  ,$@ 02 L0 ZdjJ" p 6 ,$@ 02 M0 ZdjJ"  c ,$@ 02 N0 ZdjJ" PJ,$@ 02 O0 ZdjJ" pK6 ,$@  0B Q0 s *D)M  },$@  0B R0 s *D) ,$@  0B S0 s *D) ,$@  0B T0 s *D)M  ,$@ 0B U0 s *D)  ,$@ 0B V0 s *D)  ,$@ 0B W0 s *D),$@ 0B X0 s *D)S tS ,$@ 0B Y0 s *D)Gw,$D 0 Z0 s *s Y ,$@  0 < Dabei kommt es vor, dass das jeweils Spezifische in der Situation schnell vergessen wird, oder aber bestenfalls als episodische Erinnerung im Gedchtnis hngen bleibt. Der Beitrag der spezifischen Situation zur Kategorienbildung ist aber in der Regel nicht bewusst.   2 . 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"6@ NNN?N@P2 X C xjJ? "6@ NNN?N@P2 X C xjJ? "6@ NNN?N@gwP2 X C xjJ? "6@ NNN?N@ZjP2 X C xjJ? "6@ NNN?N@z P2 X C xjJ? "6@ NNN?N3C2 X C xjJ? "6@ NNN?N3C2 X C xjJ? "6@ NNN?N3gwC2 X C xjJ? "6@ NNN?N3ZjC2 X C xjJ? "6@ NNN?N3z C2 X C xjJ? "6@ NNN?N  2 X C xjJ? "6@ NNN?N  2 X C xjJ? "6@ NNN?N  2 X C xjJ? "6@ NNN?N  2 X C xjJ? "6@ NNN?N 2 X C xjJ? "6@ NNN?N  2 X C xjJ? "6@ NNN?N  2 X C xjJ? "6@ NNN?N  2 X C xjJ? "6@ NNN?N  2 X C xjJ? "6@ NNN?N 2 X C xjJ? "6@ NNN?N 2 X C xjJ? "6@ NNN?N 2 X C xjJ? "6@ NNN?N 2 X C xjJ? "6@ NNN?N 2 X C xjJ? "6@ NNN?N B X NDo? "0@NNN?NB X NDo? "0@NNN?NB X NDo? "0@NNN?NJB X NDo? "0@NNN?N= B X NDo? "0@NNN?N"dd`B X NDo? "0@NNN?N`B X NDo? "0@NNN?N"**`B X NDo? "0@NNN?NB X@ NDo? "0@NNN?NB X NDo? "0@NNN?N"WB X NDo? "0@NNN?NB X NDo? "0@NNN?N"`B X NDo? "0@NNN?N"`B X NDo? "0@NNN?N"`B X NDo? "0@NNN?N"`B X NDo? "0@NNN?NJB X NDo? "0@NNN?N"`B X NDo? "0@NNN?N={ B X NDo? "0@NNN?N= B X NDo? "0@NNN?N `B X NDo? "0@NNN?N"  `B X NDo? "0@NNN?Nd* B X NDo? "0@NNN?Ndd B X NDo? "0@NNN?N B X NDo? "0@NNN?N  B X NDo? "0@NNN?N x B X NDo? "0@NNN?N" B X NDo? "0@NNN?NC B X NDo? "0@NNN?N k  B X NDo? "0@NNN?N=0 B X NDo? "0@NNN?N  B X NDo? "0@NNN?Nc  B X NDo? "0@NNN?Nc * B X NDo? "0@NNN?Nc WW B X NDo? "0@NNN?N) ) B X NDo? "0@NNN?N  B X NDo? "0@NNN?Nc JJ B X NDo? "0@NNN?Nc w B X NDo? "0@NNN?Nc  B X NDo? "0@NNN?N) ) B X NDo? "0@NNN?N6 * B X NDo? "0@NNN?N6  B Y NDo? "0@NNN?Nc  B Y NDo? "0@NNN?N) ) B Y NDo? "0@NNN?Nc k B Y NDo? "0@NNN?Nc k B Y NDo? "0@NNN?N) k ) B Y NDo? "0@NNN?N * B Y@ NDo? "0@NNN?Nc  B Y NDo? "0@NNN?NIIB Y NDo? "0@NNN?NIIB  Y NDo? "0@NNN?N J B  Y NDo? "0@NNN?NIk IB  Y NDo? "0@NNN?Nc 0 0 B  Y NDo? "0@NNN?Nc =  Y H0o?"0@NNN?N   @Die Abbildung zeigt ein schematisches Netzwerk, an dem die Prinzipien semantischer Netzwerke dargestellt werden sollen. Dabei gilt das Prinzip, dass Zellverbnde lokal sehr eng miteinander verknpft sind, whrend einzelne Zellverbnde (im Gehirn als Sulen beschreibbar und deshalb  Blobbs genannt) auf grere Distanz eher ber wenige zentrale Verbindungen verknpft sind.w 2wV Y Ho?"0@NNN?N ) ,$@  0 Um das Prinzip semantischer Netzwerke zu verdeutlichen, bleiben wir beim vorherigen Beispiel der Eule. Eine Eule lst in diesem semantischen Netzwerk ein bestimmtes neuronales Erregungsmuster aus.  2 Y C $A eule2*,$@ 02 Y C x3djJ?"6@ NNN?N  ,$@  02 Y C x3djJ?"6@ NNN?N@P,$@ 02 Y C x3djJ?"6@ NNN?N3C,$@  02 Y C x3djJ?"6@ NNN?N2gwB,$@  0B Y HD3o?"0@NNN?Nd* ,$@  0B Y HD3o?"0@NNN?N`,$@  0B Y HD3o?"0@NNN?N,$D 0A Y Hdqo?"0@NNN?N ,$@  0 ] Andere Inhalte sind ebenfalls in diesem Netzwerk gespeichert. Dabei gilt das Prinzip, dass hnliche Inputs nahe beieinander und z.T. berlappend reprsentiert werden. So drfte es eine gewisse Nachbarschaft, so wie eine gewisse berlappung zu anderen Vgeln geben.   2 2 Y C x3djJ?"6@ NNN?N  ,$@@ 0 Y C (Avogel-1Z:Z,$@ 02 Y C x3djJ?"6@ NNN?N  ,$@! 02 Y C x3djJ?"6@ NNN?N2B,$@" 0B Y HD3o?"0@NNN?NPdd,$@# 0B  Y HD3o?"0@NNN?Ndd ,$@$ 0B !Y HD3o?"0@NNN?N,$D& 0L "Y Ho?"0@NNN?N  ,$@(  0 h6Neben diesen berlappungen gibt es aber auch semantische Verbindungen, die durch besonders starke Verbindungen geprgt sind, und sich dadurch gegenseitig aktivieren knnen. Auf diese Weise knnen abstrakte Assoziationsketten zustande kommen, z.B. Eule  Nacht  Fledermaus - Vampir.  2 #Y H qo?"0@NNN?N  ,$@o  0 Einige Psychotherapiekonzepte (z.B. die Psychoanalyse) gehen davon aus, dass durch die Erforschung solcher Assoziationsketten Informationen ber die psychischen Landkarten von Menschen gewonnen werden knnen. Dieser Schluss liegt aufgrund des hier dargestellten Modells nahe, obwohl unklar ist, ob psychische Assoziationen, die nicht sprachlich-semantisch sind, berhaupt versprachlicht werden knnen. $ 2(2 $Y C &Amond-3 ,$DN 0B %Y HD3o?"0@NNN?N  ,$@H 0B (Y HD3o?"0@NNN?Nc WW ,$@I 02 )Y C x3djJ?"6@ NNN?N  ,$@i 02 *Y C x3djJ?"6@ NNN?N  ,$@J 0B +Y@ HD3o?"0@NNN?Nc  ,$@K 02 ,Y C x3djJ?"6@ NNN?N ,$DL 0 -Y N3o?"0@NNN?N<,$@M 0B .Y HD3o?"0@NNN?N  ,$@P 02 /Y C x3djJ?"6@ NNN?N  ,$@X 0B 0Y HD3o?"0@NNN?N ,$@Y 02 1Y C x3djJ?"6@ NNN?N2ZjB,$@Z 0B 2Y HD3o?"0@NNN?NPJ,$@[ 02 3Y C x3djJ?"6@ NNN?N@gwP,$@\ 0 4Y C 2A fledermaus-1M ,$D` 0 5Y N3o?"0@NNN?NN i,$@_ 0B 6Y HD3o?"0@NNN?N=0 ,$@b 02 7Y C x3djJ?"6@ NNN?N ,$@d 0B 8Y HD3o?"0@NNN?Nc 0 0 ,$@e 02 9Y C x3djJ?"6@ NNN?N ,$@f 0B :Y HD3o?"0@NNN?Nc j ,$@g 0B ;Y HD3o?"0@NNN?Nc j ,$@h 0 weiter(2 H X 0޽h ? 33___PPT10.Y@Hm+/$D' b= @B D' = @BA?%,( < +O%,( < +Da' b=%(%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*DY%(D' b=%(Dq' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*Y%(D' =+4 8?dCB1+#ppt_w/2BCB#ppt_xB*Y3>B ppt_x<*YD' =+4 8?dCB1+#ppt_h/2BCB#ppt_yB*Y3>B ppt_y<*YD>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*DYD' =1:Bhidden*o3>+B#style.visibility<*DY%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*DY%(D' b=%(D"' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*Y%(D>' =A@BB BB0B%(D' =-o6Bdissolve*<3<*DYD' =1:Bhidden*o3>+B#style.visibility<*DY%(D$ ' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*Y%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*Y%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*Y%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*Y%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*Y%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*Y%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*Y%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*DY%(D' b=%(Dr' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*Y%(D' =+4 8?dCB1+#ppt_w/2BCB#ppt_xB*Y3>B ppt_x<*YD' =+4 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=1:Bhidden*o3>+B#style.visibility<*DY%(D<' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*Y%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*Y%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*Y%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*Y%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*Y%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*Y%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<* Y%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*CY%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*!Y%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*DY%(D' b=%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*"Y%(D' =+4 8?dCB1+#ppt_w/2BCB#ppt_xB*Y3>B ppt_x<*"YD' =+4 8?dCB1+#ppt_h/2BCB#ppt_yB*Y3>B ppt_y<*"YD>' =A@BB BB0B %(D' =-o6Bdissolve*<3<*DYD' =1:Bhidden*o3>+B#style.visibility<*DY%(D1' =4@BB BB%(D' =-o6Bdissolve*<3<*YD' =1:Bhidden*o3>+B#style.visibility<*Y%(D1' =4@BB BB%(D' =-o6Bdissolve*<3<*YD' 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