Chapter

Binocular Rivalry and Stereoscopic Depth Perception

Anne Treisman

in From Perception to Consciousness

Published in print May 2012 | ISBN: 9780199734337
Published online March 2015 | e-ISBN: 9780190255855 | DOI: https://dx.doi.org/10.1093/acprof:osobl/9780199734337.003.0009

Series: Oxford Series in Visual Cognition

Binocular Rivalry and Stereoscopic Depth Perception

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An investigation was made of stimulus factors causing retinal rivalry or allowing stereoscopic depth perception, given a requisite positional disparity. It is shown that similar colour information can be “filtered” out from both eyes; that stereopsis is not incompatible with rivalry and suppression of one aspect of the stimulus, and that the strongest cue for perception of stereoscopic depth is intensity difference at the boundaries of the figures in the same direction at each eye. Identity of colour can also act as a cue for stereopsis. The brightness of different monocular figures seen in the stereoscope in different combinations was estimated by a matching technique, and it is suggested that the perceived brightness is a compromise between the monocular brightness difference between figure and ground seen in relation to the binocular fused background, and the mean brightness of the figures. The results are discussed in terms of neurophysiological “on,” “off” and continuous response fibres.

Chapter.  8268 words.  Illustrated.

Subjects: Clinical Psychology

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