HapticV1, PascalFrancis, Checkpoint, bibRecord, 001135

Experience-dependent visual cue integration based on consistencies between visual and haptic percepts

Identifieur interne : 001135 ( PascalFrancis/Checkpoint ); précédent : 001134; suivant : 001136

Experience-dependent visual cue integration based on consistencies between visual and haptic percepts

Auteurs : Joseph E. Atkins [États-Unis] ; Jozsef Fiser [États-Unis] ; Robert A. Jacobs [États-Unis]

Source :

Vision research : (Oxford) [ 0042-6989 ] ; 2001.

RBID : Pascal:01-0136611

Descripteurs français

Pascal (Inist)
- Perception intermodale, Sensibilité tactile, Vision, Intégration information, Repère visuel, Profondeur, Texture stimulus, Mouvement stimulus, Homme, Perception espace, Espace 3 dimensions.
Wicri :
- topic : Homme.

English descriptors

KwdEn :
- Depth, Human, Information integration, Intermodal perception, Space perception, Stimulus movement, Stimulus texture, Tactile sensitivity, Three dimensional space, Vision, Visual cue.

Abstract

We study the hypothesis that observers can use haptic percepts as a standard against which the relative reliabilities of visual cues can be judged, and that these reliabilities determine how observers combine depth information provided by these cues. Using a novel visuo-haptic virtual reality environment, subjects viewed and grasped virtual objects. In Experiment 1, subjects were trained under motion relevant conditions, during which haptic and visual motion cues were consistent whereas haptic and visual texture cues were uncorrelated, and texture relevant conditions, during which haptic and texture cues were consistent whereas haptic and motion cues were uncorrelated. Subjects relied more on the motion cue after motion relevant training than after texture relevant training, and more on the texture cue after texture relevant training than after motion relevant training. Experiment 2 studied whether or not subjects could adapt their visual cue combination strategies in a context-dependent manner based on context-dependent consistencies between haptic and visual cues. Subjects successfully learned two cue combination strategies in parallel, and correctly applied each strategy in its appropriate context. Experiment 3, which was similar to Experiment I except that it used a more naturalistic experimental task, yielded the same pattern of results as Experiment I indicating that the findings do not depend on the precise nature of the experimental task. Overall, the results suggest that observers can involuntarily compare visual and haptic percepts in order to evaluate the relative reliabilities of visual cues, and that these reliabilities determine how cues are combined during three-dimensional visual perception.

Affiliations:

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Pascal:01-0136611

Le document en format XML

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	Serveur d'exploration sur les dispositifs haptiques
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Serveur d'exploration sur les dispositifs haptiques

Experience-dependent visual cue integration based on consistencies between visual and haptic percepts

Experience-dependent visual cue integration based on consistencies between visual and haptic percepts

Source :

Descripteurs français

English descriptors

Abstract

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

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri