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Visual categorization and object representation in monkeys and humans
journal contribution
posted on 2023-06-08, 13:38 authored by Natasha SigalaNatasha Sigala, F Gabbiani, N K LogothetisWe investigated the influence of a categorization task on the extraction and representation of perceptual features in humans and monkeys. The use of parameterized stimuli (schematic faces and fish) with fixed diagnostic features in combination with a similarity-rating task allowed us to demonstrate perceptual sensitization to the diagnostic dimensions of the categorization task for the monkeys. Moreover, our results reveal important similarities between human and monkey visual subordinate categorization strategies. Neither the humans nor the monkeys compared the new stimuli to class prototypes or based their decisions on conditional probabilities along stimulus dimensions. Instead, they classified each object according to its similarity to familiar members of the alternative categories, or with respect to its position to a linear boundary between the learned categories
History
Publication status
- Published
Journal
Journal of cognitive neuroscienceISSN
0898-929XPublisher
MIT PressExternal DOI
Issue
2Volume
14Page range
187-98Department affiliated with
- Clinical and Experimental Medicine Publications
Full text available
- No
Peer reviewed?
- Yes
Legacy Posted Date
2012-11-14Usage metrics
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