Cats see subjective contours.
Behavioural techniques were used to determine whether cats are able to see subjective contours. Through several stages of testing with increasingly complex displays, cats continued to respond to a figure defined by subjective contours. This result provides the first direct evidence that a nonhuman perceives subjective contours.
Bravo
M
M
Department of Neurobiology/Physiology, Northwestern University, Evanston, IL 60208.
Blake
R
R
Morrison
S
S
D000818:Animals; D002415:Cats / Q000502:physiology*; D005260:Female; D005556:Form Perception / Q000502:physiology*; D006801:Humans; D010364:Pattern Recognition, Visual / Q000502:physiology