?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=In+search+of+common+foundations+for+cortical+computation&rft.creator=Phillips%2C+W+A&rft.creator=Singer%2C+W&rft.subject=Statistical+Models&rft.subject=Computational+Neuroscience&rft.subject=Cognitive+Psychology&rft.subject=Behavioral+%26+Brain+Sciences&rft.subject=Neural+Nets&rft.description=This+research+concerns+forms+of+coding%2C+processing+and+learning+that+are+common+to+many+different+cortical+regions+and+cognitive+functions.+Local+cortical+processors+may+coordinate+their+activity+by+maximizing+the+transmission+of+information+that+is+coherently+related+to+the+context+in+which+it+occurs%2C+thereby+forming+synchronized+population+codes.+In+this+coordination%2C+contextual+field+(CF)+connections+link+processors+within+and+between+cortical+regions.+The+effects+of+CF+connections+are+distinct+from+those+mediating+receptive+field+(RF)+input.+CFs+can+guide+both+learning+and+processing+without+becoming+confused+with+RF+information.+Simulations+explore+the+capabilities+of+networks+built+from+local+processors+with+both+RF+and+CF+connections.+Physiological+evidence+for+CFs%2C+synchronization%2C+and+plasticity+in+RF+and+CF+connections+is+described.+Coordination+via+CFs+is+related+to+perceptual+grouping%2C+the+effects+of+context+on+contrast+sensitivity%2C+amblyopia%2C+implicit+influences+of+color+in+achromotopsia%2C+object+and+word+perception%2C+and+the+discovery+of+distal+environmental+variables+and+their+interactions+through+self-organization.+In+cortical+computation+there+may+occur+a+flexible+evaluation+of+relations+between+input+signals+by+locally+specialized+but+adaptive+processors+whose+activity+is+dynamically+associated+and+coordinated+within+and+between+regions+through+specialized+contextual+connections.&rft.date=1997-12&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=application%2Fpostscript&rft.identifier=http%3A%2F%2Fcogprints.org%2F9%2F2%2Fsmythne.ps&rft.identifier=++Phillips%2C+W+A+and+Singer%2C+W++(1997)+In+search+of+common+foundations+for+cortical+computation.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F9%2F