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Perceptual bias for forward-facing motionWhen an occluded horizontal row of shapes is shifted laterally, apparent motion can be experienced in either the leftward or the rightward direction. Four experiments provide evidence for a motion bias in the direction that shapes appear to face. The bias tended to be largest when directionality was specified geometrically (e.g., triangles), next largest when it was specified biologically (e.g., mice), and absent when it was specified calligraphically (e.g., letter R). The bias increased parametrically as a function of triangle pointedness and was consistent with the directional interpretation of an ambiguous duck-rabbit. The results support the existence of a cognitively specified forward-facing attribute that can influence experienced direction of motion.
Document ID
19930060943
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Mcbeath, Michael K.
(NASA Ames Research Center Moffett Field, CA, United States)
Morikawa, Kazunori
(Stanford Univ. CA, United States)
Kaiser, Mary K.
(NASA Ames Research Center Moffett Field, CA, United States)
Date Acquired
August 16, 2013
Publication Date
November 1, 1992
Publication Information
Publication: Psychological Science
Volume: 3
Issue: 6
Subject Category
Behavioral Sciences
Accession Number
93A44940
Funding Number(s)
CONTRACT_GRANT: NSF BNS-85-11685
Distribution Limits
Public
Copyright
Other

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