?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Modeling+dynamic+receptive+field+changes+in+primary+visual+cortex+using+inhibitory+learning&rft.creator=Marshall%2C+J.A.&rft.creator=Kalarickal%2C+G.J.&rft.subject=Computational+Neuroscience&rft.subject=Machine+Vision&rft.subject=Neural+Nets&rft.description=The+position%2C+size%2C+and+shape+of+the+visual+receptive+field+(RF)+of+some+primary+visual+cortical+neurons+change+dynamically%2C+in+response+to+artificial+scotoma+conditioning+in+cats+(Pettet+%26+Gilbert%2C+1992)+and+to+retinal+lesions+in+cats+and+monkeys+(Darian-Smith+%26+Gilbert%2C+1995).+The+%22EXIN%22+learning+rules+(Marshall%2C+1995)+are+used+to+model+dynamic+RF+changes.+The+EXIN+model+is+compared+with+an+adaptation+model+(Xing+%26+Gerstein%2C+1994)+and+the+LISSOM+model+(Sirosh+%26+Miikkulainen%2C+1994%3B+Sirosh+et+al.%2C+1996).+To+emphasize+the+role+of+the+lateral+inhibitory+learning+rules%2C+the+EXIN+and+the+LISSOM+simulations+were+done+with+only+lateral+inhibitory+learning.+During+scotoma+conditioning%2C+the+EXIN+model+without+feedforward+learning+produces+centrifugal+expansion+of+RFs+initially+inside+the+scotoma+region%2C+accompanied+by+increased+responsiveness%2C+without+changes+in+spontaneous+activation.+The+EXIN+model+without+feedforward+learning+is+more+consistent+with+the+neurophysiological+data+than+are+the+adaptation+model+and+the+LISSOM+model.+The+comparison+between+the+EXIN+and+the+LISSOM+models+suggests+experiments+to+determine+the+role+of+feedforward+excitatory+and+lateral+inhibitory+learning+in+producing+dynamic+RF+changes+during+scotoma+conditioning.&rft.publisher=Plenum+Press%3A+New+York&rft.contributor=Bower%2C+J.&rft.date=1997&rft.type=Book+Chapter&rft.type=NonPeerReviewed&rft.format=application%2Fpostscript&rft.identifier=http%3A%2F%2Fcogprints.org%2F24%2F2%2Fdrf9701.ps&rft.identifier=++Marshall%2C+J.A.+and+Kalarickal%2C+G.J.++(1997)+Modeling+dynamic+receptive+field+changes+in+primary+visual+cortex+using+inhibitory+learning.++%5BBook+Chapter%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F24%2F