?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=The+role+of+terminators+and+occlusion+cues+in+motion+integration+and+segmentation%3A+a+neural+network+model&rft.creator=Liden%2C+Lars+H.&rft.creator=Pack%2C+Christopher+C.&rft.subject=Computational+Neuroscience&rft.subject=Neural+Modelling&rft.description=The+perceptual+interaction+of+terminators+and+occlusion+cues+with+the+functional+processes+of+motion+integration+and+segmentation+is+examined+using+a+computational+model.+Inte-gration+is+necessary+to+overcome+noise+and+the+inherent+ambiguity+in+locally+measured+motion+direction+(the+aperture+problem).+Segmentation+is+required+to+detect+the+presence+of+motion+discontinuities+and+to+prevent+spurious+integration+of+motion+signals+between+objects+with+different+trajectories.+Terminators+are+used+for+motion+disambiguation%2C+while+occlusion+cues+are+used+to+suppress+motion+noise+at+points+where+objects+intersect.+The+model+illustrates+how+competitive+and+cooperative+interactions+among+cells+carrying+out+these+functions+can+account+for+a+number+of+perceptual+effects%2C+including+the+chopsticks+illusion+and+the+occluded+diamond+illusion.+Possible+links+to+the+neurophysiology+of+the+middle+temporal+visual+area+(MT)+are+suggested.&rft.date=1999&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F131%2F3%2Fmtmodel.final.pdf&rft.identifier=++Liden%2C+Lars+H.+and+Pack%2C+Christopher+C.++(1999)+The+role+of+terminators+and+occlusion+cues+in+motion+integration+and+segmentation%3A+a+neural+network+model.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F131%2F