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Integration of haptic and visual size cues in perception and action revealed through cross-modal conflict

Identifieur interne : 003E94 ( Main/Curation ); précédent : 003E93; suivant : 003E95

Integration of haptic and visual size cues in perception and action revealed through cross-modal conflict

Auteurs : Charles E. Pettypiece [Canada] ; Melvyn A. Goodale [Canada] ; Jody C. Culham [Canada]

Source :

Experimental brain research [ 0014-4819 ] ; 2010.

RBID : Pascal:10-0177107

Descripteurs français

Pascal (Inist)
- Perception visuelle, Repère visuel, Cinématique, Main, Préhension, Estimation, Vision binoculaire, Incertitude, Traitement information, Intégration multisensorielle, Homme, Perception haptique, Interaction intermodale.
Wicri :
- topic : Homme.

English descriptors

KwdEn :
- Binocular vision, Crossmodal interaction, Estimation, Gripping, Hand, Haptic perception, Human, Information processing, Kinematics, Multisensory integration, Uncertainty, Visual cue, Visual perception.

Abstract

We investigated the contribution of haptic and visual information about object size to both perception and action. Kinematics of the right hand were measured while participants performed grasping actions or manual estimations under the guidance of haptic information from the left hand, binocular visual information, or both haptics and vision. The greatest uncertainty was observed with haptic information alone. Moreover, when visual and haptic sizes were congruent, performance was no different from that with vision alone. Although this gives the appearance that vision dominates, when information from the two senses was incongruent, an influence of haptic cues emerged for both tasks. Our paradigm also allowed us to demonstrate that haptic sensitivity, like visual sensitivity, scales with object size for manual estimation (consistent with Weber's law) but not for grasping. In sum, although haptics represents a less certain source of information, haptic processing follows similar principles to vision and its contribution to perception and action becomes evident only when crossmodal information is incongruent.

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Le document en format XML

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<term>Estimation</term>
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<front><div type="abstract" xml:lang="en">We investigated the contribution of haptic and visual information about object size to both perception and action. Kinematics of the right hand were measured while participants performed grasping actions or manual estimations under the guidance of haptic information from the left hand, binocular visual information, or both haptics and vision. The greatest uncertainty was observed with haptic information alone. Moreover, when visual and haptic sizes were congruent, performance was no different from that with vision alone. Although this gives the appearance that vision dominates, when information from the two senses was incongruent, an influence of haptic cues emerged for both tasks. Our paradigm also allowed us to demonstrate that haptic sensitivity, like visual sensitivity, scales with object size for manual estimation (consistent with Weber's law) but not for grasping. In sum, although haptics represents a less certain source of information, haptic processing follows similar principles to vision and its contribution to perception and action becomes evident only when crossmodal information is incongruent.</div>
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Integration of haptic and visual size cues in perception and action revealed through cross-modal conflict

Integration of haptic and visual size cues in perception and action revealed through cross-modal conflict

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