HapticV1, PascalFrancis, Curation, bibRecord, 000591

Multisensory integration mechanisms in haptic space perception

Identifieur interne : 000591 ( PascalFrancis/Curation ); précédent : 000590; suivant : 000592

Multisensory integration mechanisms in haptic space perception

Auteurs : Sander Zuidhoek [Pays-Bas] ; Albertine Visser [Pays-Bas] ; Merle E. Bredero [Pays-Bas] ; Albert Postma [Pays-Bas]

Source :

Experimental brain research [ 0014-4819 ] ; 2004.

RBID : Pascal:05-0016350

Descripteurs français

Pascal (Inist)
- Perception espace, Représentation spatiale, Modulation, Vision, Homme, Intégration multisensorielle, Perception haptique.
Wicri :
- topic : Homme.

English descriptors

KwdEn :
- Haptic perception, Human, Modulation, Multisensory integration, Space perception, Spatial representation, Vision.

Abstract

It has been argued that representations of peripersonal space based on haptic input are systematically distorted by egocentric reference frames. Interestingly, a recent study has shown that noninformative vision (i.e., freely viewing the region above the haptic workspace) improves performance on the so-called haptic parallel-setting task, in which participants are instructed to rotate a test bar until it is parallel to a reference bar. In the present study, we made a start at identifying the different sensory integration mechanisms involved in haptic space perception by distinguishing the possible effects of orienting mechanisms from those of noninformative vision. We found that both the orienting direction of head and eyes and the availability of noninformative vision affect parallel-setting performance and that they do so independently: orienting towards a reference bar facilitated the parallel-setting of a test bar in both no-vision and noninformative vision conditions, and noninformative vision improved performance irrespective of orienting direction. These results suggest the effects of orienting and noninformative vision on haptic space perception to depend on distinct neurocognitive mechanisms, likely to be expressed in different modulations of neural activation in the multimodal parietofrontal network, thought to be concerned with multimodal representations of peripersonal space.

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C01	`01`		`ENG`	@0 It has been argued that representations of peripersonal space based on haptic input are systematically distorted by egocentric reference frames. Interestingly, a recent study has shown that noninformative vision (i.e., freely viewing the region above the haptic workspace) improves performance on the so-called haptic parallel-setting task, in which participants are instructed to rotate a test bar until it is parallel to a reference bar. In the present study, we made a start at identifying the different sensory integration mechanisms involved in haptic space perception by distinguishing the possible effects of orienting mechanisms from those of noninformative vision. We found that both the orienting direction of head and eyes and the availability of noninformative vision affect parallel-setting performance and that they do so independently: orienting towards a reference bar facilitated the parallel-setting of a test bar in both no-vision and noninformative vision conditions, and noninformative vision improved performance irrespective of orienting direction. These results suggest the effects of orienting and noninformative vision on haptic space perception to depend on distinct neurocognitive mechanisms, likely to be expressed in different modulations of neural activation in the multimodal parietofrontal network, thought to be concerned with multimodal representations of peripersonal space.
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C03	`01`	`X`	`ENG`	`@0 Space perception @5 01`
C03	`01`	`X`	`SPA`	`@0 Percepción espacio @5 01`
C03	`02`	`X`	`FRE`	`@0 Représentation spatiale @5 02`
C03	`02`	`X`	`ENG`	`@0 Spatial representation @5 02`
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C03	`05`	`X`	`ENG`	`@0 Human @5 54`
C03	`05`	`X`	`SPA`	`@0 Hombre @5 54`
C03	`06`	`X`	`FRE`	`@0 Intégration multisensorielle @4 CD @5 96`
C03	`06`	`X`	`ENG`	`@0 Multisensory integration @4 CD @5 96`
C03	`07`	`X`	`FRE`	`@0 Perception haptique @4 CD @5 97`
C03	`07`	`X`	`ENG`	`@0 Haptic perception @4 CD @5 97`
C07	`01`	`X`	`FRE`	`@0 Appareil visuel @5 20`
C07	`01`	`X`	`ENG`	`@0 Visual system @5 20`
C07	`01`	`X`	`SPA`	`@0 Aparato visual @5 20`
N21				`@1 004`

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Le document en format XML

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<front><div type="abstract" xml:lang="en">It has been argued that representations of peripersonal space based on haptic input are systematically distorted by egocentric reference frames. Interestingly, a recent study has shown that noninformative vision (i.e., freely viewing the region above the haptic workspace) improves performance on the so-called haptic parallel-setting task, in which participants are instructed to rotate a test bar until it is parallel to a reference bar. In the present study, we made a start at identifying the different sensory integration mechanisms involved in haptic space perception by distinguishing the possible effects of orienting mechanisms from those of noninformative vision. We found that both the orienting direction of head and eyes and the availability of noninformative vision affect parallel-setting performance and that they do so independently: orienting towards a reference bar facilitated the parallel-setting of a test bar in both no-vision and noninformative vision conditions, and noninformative vision improved performance irrespective of orienting direction. These results suggest the effects of orienting and noninformative vision on haptic space perception to depend on distinct neurocognitive mechanisms, likely to be expressed in different modulations of neural activation in the multimodal parietofrontal network, thought to be concerned with multimodal representations of peripersonal space.</div>
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Multisensory integration mechanisms in haptic space perception

Multisensory integration mechanisms in haptic space perception

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)

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