A Multistable Movement Display: Evidence for Two Separate Motion Systems in Human Vision

Two competing sensations of apparent movement were produced by the rapid alternation of two multielement stimulus frames. Either sensation could be made dominant by appropriate manipulations of the stimulus display. The results suggest that there are two systems capable of generating movement signal...

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Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 1976-08, Vol.193 (4252), p.500-502
Main Authors: Pantle, Allan, Picciano, Lucinda
Format: Article
Language:English
Subjects:
Brain
Humans
Interneurons
Motion Perception - physiology
Movement perception
Neurons
Ocelli
Perception
Physiological stimulation
Sensation
Space life sciences
Uniqueness
Visual Pathways - physiology
Visual perception
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Summary:Two competing sensations of apparent movement were produced by the rapid alternation of two multielement stimulus frames. Either sensation could be made dominant by appropriate manipulations of the stimulus display. The results suggest that there are two systems capable of generating movement signals in man. One system depends on preliminary processing of form, and the second system does not.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.941023