?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Similarity%2C+Connectionism%2C+and+the+Problem+of+Representation+in+Vision&rft.creator=Edelman%2C+Shimon&rft.creator=Cutzu%2C+Florin&rft.creator=Duvdevani-Bar%2C+Sharon&rft.subject=Cognitive+Psychology&rft.description=We+present+a+unified+approach+to+visual+representation%2C+addressing+both+the+needs+of+superordinate+and+basic-level+categorization+and+of+identification+of+specific+instances+of+familiar+categories.+According+to+the+proposed+theory%2C+a+shape+is+represented+by+its+similarity+to+a+number+of+reference+shapes%2C+measured+in+a+high-dimensional+space+of+elementary+features.+This+amounts+to+embedding+the+stimulus+in+a+low-dimensional+proximal+shape+space.+That+space+turns+out+to+support+representation+of+distal+shape+similarities+which+is+veridical+in+the+sense+of+Shepard's+(1968)+notion+of+second-order+isomorphism+(i.e.%2C+correspondence+between+distal+and+proximal+similarities+among+shapes%2C+rather+than+between+distal+shapes+and+their+proximal+representations).+Furthermore%2C+a+general+expression+for+similarity+between+two+stimuli%2C+based+on+comparisons+to+reference+shapes%2C+can+be+used+to+derive+models+of+perceived+similarity+ranging+from+continuous%2C+symmetric%2C+and+hierarchical%2C+as+in+the+multidimensional+scaling+models+(R.+N.+Shepard%2C+1980)%2C+to+discrete+and+non-hierarchical%2C+as+in+the+general+contrast+models+(A.+Tversky%2C+1977%3B+R.+N.+Shepard+and+P.+Arabie%2C+1979).&rft.date=1996&rft.type=Preprint&rft.type=NonPeerReviewed&rft.format=application%2Fpostscript&rft.identifier=http%3A%2F%2Fcogprints.org%2F568%2F1%2F199711002.ps&rft.identifier=++Edelman%2C+Shimon+and+Cutzu%2C+Florin+and+Duvdevani-Bar%2C+Sharon++(1996)+Similarity%2C+Connectionism%2C+and+the+Problem+of+Representation+in+Vision.++%5BPreprint%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F568%2F