Perception of plane orientation from self-generated and passively observed optic flow.

Perception of plane orientation from self-generated and passively observed optic flow. Research Abstract Details 

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Perception of plane orientation from self-generated and passively observed optic flow. Abstract Text:

We investigated the perception of three-dimensional plane orientation--focusing on the perception of tilt--from optic flow generated by the observer's active movement around a simulated stationary object, and compared the performance to that of an immobile observer receiving a replay of the same optic flow. We found that perception of plane orientation is more precise in the active than in the immobile case. In particular, in the case of the immobile observer, the presence of shear in optic flow drastically diminishes the precision of tilt perception, whereas in the active observer, this decrease in performance is greatly reduced. The difference between active and immobile observers appears to be due to random rather than systematic errors. Furthermore, perceived slant is better correlated with simulated slant in the active observer. We conclude with a discussion of various theoretical explanations for our results.

Perception of plane orientation from self-generated and passively observed optic flow. Publishing Authors By Initials

For similar psychological phenomena and processes: psychomotor performance research abstracts see: psychological phenomena and processes: psychomotor performance research

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Perception of plane orientation from self-generated and passively observed optic flow. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of vision

VOLUME: 3

Page Numbers: 318-32

Journal Abbreviation: J Vis

ISSN: 1534-7362

DAY: 29

MONTH: 04

YEAR: 2003

Perception of plane orientation from self-generated and passively observed optic flow. Information

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LANGUAGE: eng

NlmUniqueID: 101147197

Perception of plane orientation from self-generated and passively observed optic flow. Keywords Mesh Terms:

KEYWORDS: Psychomotor Performance

MESH TERMS: physiology

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Grant and Affiliation Information for Perception of plane orientation from self-generated and passively observed optic flow.

AFFILIATION: Laboratoire de Physiologie de la Perception et de l'Action CNRS, Collège de France, Paris, France.

Country: United States

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MEDLINETA: J Vis

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