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Cats Perceive Biological Motion

Randolph Blake
Psychological Science
Vol. 4, No. 1 (Jan., 1993), pp. 54-57
Stable URL: http://www.jstor.org/stable/40062504
Page Count: 4
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Cats Perceive Biological Motion
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Abstract

With behavioral techniques, cats were trained to discriminate a point-light animation sequence depicting biological motion (i.e., a cat walking) from an animation sequence consisting of equivalent local motion vectors lacking the global synchrony present in the biological-motion sequence (i.e., "foil" displays). Successful discrimination was evidenced for even the most difficult foil display and for different versions of the biological-motion sequence, indicating that cats are able to extract the higher order kinematic invariants embodied in these novel motion displays.

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