HapticV1, Main, Exploration, bibRecord, 006543

Two reference frames for visual perception in two gravity conditions

Identifieur interne : 006543 ( Main/Exploration ); précédent : 006542; suivant : 006544

Two reference frames for visual perception in two gravity conditions

Auteurs : Mark Lipshits [Russie] ; Ana Bengoetxea [Belgique] ; Guy Cheron [Belgique] ; Joseph Mcintyre [France]

Source :

Perception : (London. Print) [ 0301-0066 ] ; 2005.

RBID : Pascal:05-0302893

Descripteurs français

Pascal (Inist)
- Vision, Perception espace, Anisotropie, Cadre de référence, Gravité, Orientation spatiale, Perception intermodale, Sensibilité tactile, Homme.
Wicri :
- topic : Homme.

English descriptors

KwdEn :
- Analysis of Variance, Anisotropy, Cues, Female, Frame of reference, Gravitation, Gravity, Human, Humans, Intermodal perception, Male, Orientation (physiology), Perceptual Distortion (physiology), Photic Stimulation (methods), Psychophysics, Reaction Time, Space Flight, Space perception, Spatial orientation, Tactile sensitivity, Vision, Visual Perception (physiology), Weightlessness Simulation (psychology).
MESH :
- methods : Photic Stimulation.
- physiology : Orientation, Perceptual Distortion, Visual Perception.
- psychology : Weightlessness Simulation.
- Analysis of Variance, Cues, Female, Gravitation, Humans, Male, Psychophysics, Reaction Time, Space Flight.

Abstract

The processing and storage of visual information concerning the orientation of objects in space is carried out in anisotropic reference frames in which all orientations are not treated equally. The perceptual anisotropies, and the implicit reference frames that they define, are evidenced by the observation of 'oblique effects' in which performance on a given perceptual task is better for horizontally and vertically oriented stimuli. The question remains how the preferred horizontal and vertical reference frames are defined. In these experiments cosmonaut subjects reproduced the remembered orientation of a visual stimulus in 1g (on the ground) and in Og, both attached to a chair and while free-floating within the International Space Station. Results show that while the remembered orientation of a visual stimulus may be stored in a multimodal reference frame that includes gravity, an egocentric reference is sufficient to elicit the oblique effect when all gravitational and haptic cues are absent.

Affiliations:

Le document en format XML

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<front><div type="abstract" xml:lang="en">The processing and storage of visual information concerning the orientation of objects in space is carried out in anisotropic reference frames in which all orientations are not treated equally. The perceptual anisotropies, and the implicit reference frames that they define, are evidenced by the observation of 'oblique effects' in which performance on a given perceptual task is better for horizontally and vertically oriented stimuli. The question remains how the preferred horizontal and vertical reference frames are defined. In these experiments cosmonaut subjects reproduced the remembered orientation of a visual stimulus in 1g (on the ground) and in Og, both attached to a chair and while free-floating within the International Space Station. Results show that while the remembered orientation of a visual stimulus may be stored in a multimodal reference frame that includes gravity, an egocentric reference is sufficient to elicit the oblique effect when all gravitational and haptic cues are absent.</div>
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Serveur d'exploration sur les dispositifs haptiques

Two reference frames for visual perception in two gravity conditions

Two reference frames for visual perception in two gravity conditions

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

	Serveur d'exploration sur les dispositifs haptiques
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