?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Spatiotemporal+adaptation+through+corticothalamic+loops%3A+A+hypothesis&rft.creator=Hillenbrand%2C+Dr.+Ulrich&rft.creator=van+Hemmen%2C+Prof.+Dr.+J.+Leo&rft.subject=Neural+Modelling&rft.subject=Computational+Neuroscience&rft.subject=Theoretical+Biology&rft.description=The+thalamus+is+the+major+gate+to+the+cortex+and+its+control+over+cortical+responses+is+well+established.+Cortical+feedback+to+the+thalamus+is%2C+in+turn%2C+the+anatomically+dominant+input+to+relay+cells%2C+yet+its+influence+on+thalamic+processing+has+been+difficult+to+interpret.+For+an+understanding+of+complex+sensory+processing%2C+detailed+concepts+of+the+corticothalamic+interplay+need+yet+to+be+established.+Drawing+on+various+physiological+and+anatomical+data%2C+we+elaborate+the+novel+hypothesis+that+the+visual+cortex+controls+the+spatiotemporal+structure+of+cortical+receptive+fields+via+feedback+to+the+lateral+geniculate+nucleus.+Furthermore%2C+we+present+and+analyze+a+model+of+corticogeniculate+loops+that+implements+this+control%2C+and+exhibit+its+ability+of+object+segmentation+by+statistical+motion+analysis+in+the+visual+field.&rft.date=2000&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F2406%2F1%2FHillenbrand_vanHemmen_00.pdf&rft.identifier=++Hillenbrand%2C+Dr.+Ulrich+and+van+Hemmen%2C+Prof.+Dr.+J.+Leo++(2000)+Spatiotemporal+adaptation+through+corticothalamic+loops%3A+A+hypothesis.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F2406%2F