?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Predictive+Coding+as+a+Model+of+Biased+Competition+in+Visual+Attention&rft.creator=Spratling%2C+Michael+W&rft.subject=Neural+Modelling&rft.subject=Computational+Neuroscience&rft.subject=Perceptual+Cognitive+Psychology&rft.subject=Neural+Nets&rft.description=Attention+acts%2C+through+cortical+feedback+pathways%2C+to+enhance+the+response+of+cells+encoding+expected+or+predicted+information.+Such+observations+are+inconsistent+with+the+predictive+coding+theory+of+cortical+function+which+proposes+that+feedback+acts+to+suppress+information+predicted+by+higher-level+cortical+regions.+Despite+this+discrepancy%2C+this+article+demonstrates+that+the+predictive+coding+model+can+be+used+to+simulate+a+number+of+the+effects+of+attention.+This+is+achieved+via+a+simple+mathematical+rearrangement+of+the+predictive+coding+model%2C+which+allows+it+to+be+interpreted+as+a+form+of+biased+competition+model.+Nonlinear+extensions+to+the+model+are+proposed+that+enable+it+to+explain+a+wider+range+of+data.&rft.date=2008&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F6354%2F1%2Fvisres08.pdf&rft.identifier=++Spratling%2C+Michael+W++(2008)+Predictive+Coding+as+a+Model+of+Biased+Competition+in+Visual+Attention.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F6354%2F