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The influence of object-image velocity change on perceived heading in minimal environments

Best, Christopher, Day, Ross and Crassini, Boris 2003, The influence of object-image velocity change on perceived heading in minimal environments, Perception and psychophysics, vol. 65, no. 8, pp. 1273-1284.

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Title The influence of object-image velocity change on perceived heading in minimal environments
Author(s) Best, Christopher
Day, Ross
Crassini, Boris
Journal name Perception and psychophysics
Volume number 65
Issue number 8
Start page 1273
End page 1284
Publisher Psychonomic Society Inc
Place of publication Austin, Tex.
Publication date 2003-11
ISSN 1943-3921
Summary When human observers move forward and rotate their eyes, a complex pattern of light flows across the retina. This pattern is referred to as retinal flow. A model has been proposed to explain how humans perceive their direction of self-movement (or heading) from (1) static depth, (2) direction of image motion, and (3) whether image velocity undergoes acceleration or deceleration (Wang & Cutting, 1999). However, findings from past research in which sparse or minimalist stimuli were used have suggested that not all of the information to which participants are sensitive is captured within the scope of this model. In particular it has been suggested that the magnitude or size of image velocity change may be of significance beyond simply whether image velocity could be categorized as speeding up (i.e., accelerating) or slowing down (i.e., decelerating). In two experiments, the influence of this factor on heading judgments under minimal conditions was investigated. Evidence was found in support of the idea that the rate of image velocity change can influence judgments of the direction of self-movement in minimalist conditions.
Notes Later title: Attention, perception and psychophysics
Language eng
Field of Research 170112 Sensory Processes, Perception and Performance
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2003, Psychonomic Society, Inc.
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Document type: Journal Article
Collection: School of Psychology
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