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Enhancement of response times to bi-and tri-modal sensory stimuli during active movements

Identifieur interne : 000974 ( PascalFrancis/Corpus ); précédent : 000973; suivant : 000975

Enhancement of response times to bi-and tri-modal sensory stimuli during active movements

Auteurs : David Hecht ; Miriam Reiner ; Avi Karni

Source :

RBID : Pascal:08-0154180

Descripteurs français

English descriptors

Abstract

Simultaneous activation of two sensory modalities can improve perception and enhance performance. This multi-sensory enhancement had been previously observed only in conditions wherein participants were not performing any movement. Since tactile perception is attenuated during active movements, we investigated whether a bi-and a tri-modal enhancement can occur also when participants are presented with tactile stimuli, while engaged in active movements. Participants held a pen-like stylus and performed bidirectional writing-like movements inside a restricted workspace. During these movements participants were given a uni-modal sensory signal (visual-a thin gray line; auditory-a brief sound; haptic-a mechanical resisting force delivered through the stylus) or a bi- or tri-modal combination of these uni-modal signals, and their task was to respond, by pressing a button on the stylus, as soon as any one of these three stimuli was detected. Results showed that a combination of tri-modal signals was detected faster than any of the bi-modal combinations, which in turn were detected faster than any of the uni-modal signals. These facilitations exceeded the "Race model" predictions. A breakdown of the time gained in the bi-modal combinations by hemispace, hands and gender, provide further support for the "inverse effectiveness" principle, as the maximal bi-modal enhancements occurred for the least effective uni-modal responses.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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A06       @2 4
A08 01  1  ENG  @1 Enhancement of response times to bi-and tri-modal sensory stimuli during active movements
A11 01  1    @1 HECHT (David)
A11 02  1    @1 REINER (Miriam)
A11 03  1    @1 KARNI (Avi)
A14 01      @1 The Brain-Behavior Research Center, University of Haifa @2 Haifa @3 ISR @Z 1 aut. @Z 3 aut.
A14 02      @1 The Touch Laboratory, Department of Education in Technology and Science, Technion -Israel Institute of Technology, Gutwirth Building @2 Haifa 32000 @3 ISR @Z 2 aut.
A20       @1 655-665
A21       @1 2008
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C01 01    ENG  @0 Simultaneous activation of two sensory modalities can improve perception and enhance performance. This multi-sensory enhancement had been previously observed only in conditions wherein participants were not performing any movement. Since tactile perception is attenuated during active movements, we investigated whether a bi-and a tri-modal enhancement can occur also when participants are presented with tactile stimuli, while engaged in active movements. Participants held a pen-like stylus and performed bidirectional writing-like movements inside a restricted workspace. During these movements participants were given a uni-modal sensory signal (visual-a thin gray line; auditory-a brief sound; haptic-a mechanical resisting force delivered through the stylus) or a bi- or tri-modal combination of these uni-modal signals, and their task was to respond, by pressing a button on the stylus, as soon as any one of these three stimuli was detected. Results showed that a combination of tri-modal signals was detected faster than any of the bi-modal combinations, which in turn were detected faster than any of the uni-modal signals. These facilitations exceeded the "Race model" predictions. A breakdown of the time gained in the bi-modal combinations by hemispace, hands and gender, provide further support for the "inverse effectiveness" principle, as the maximal bi-modal enhancements occurred for the least effective uni-modal responses.
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C03 06  X  ENG  @0 Haptic perception @4 CD @5 96
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Format Inist (serveur)

NO : PASCAL 08-0154180 INIST
ET : Enhancement of response times to bi-and tri-modal sensory stimuli during active movements
AU : HECHT (David); REINER (Miriam); KARNI (Avi)
AF : The Brain-Behavior Research Center, University of Haifa/Haifa/Israël (1 aut., 3 aut.); The Touch Laboratory, Department of Education in Technology and Science, Technion -Israel Institute of Technology, Gutwirth Building/Haifa 32000/Israël (2 aut.)
DT : Publication en série; Niveau analytique
SO : Experimental brain research; ISSN 0014-4819; Coden EXBRAP; Allemagne; Da. 2008; Vol. 185; No. 4; Pp. 655-665; Bibl. 1 p.1/4
LA : Anglais
EA : Simultaneous activation of two sensory modalities can improve perception and enhance performance. This multi-sensory enhancement had been previously observed only in conditions wherein participants were not performing any movement. Since tactile perception is attenuated during active movements, we investigated whether a bi-and a tri-modal enhancement can occur also when participants are presented with tactile stimuli, while engaged in active movements. Participants held a pen-like stylus and performed bidirectional writing-like movements inside a restricted workspace. During these movements participants were given a uni-modal sensory signal (visual-a thin gray line; auditory-a brief sound; haptic-a mechanical resisting force delivered through the stylus) or a bi- or tri-modal combination of these uni-modal signals, and their task was to respond, by pressing a button on the stylus, as soon as any one of these three stimuli was detected. Results showed that a combination of tri-modal signals was detected faster than any of the bi-modal combinations, which in turn were detected faster than any of the uni-modal signals. These facilitations exceeded the "Race model" predictions. A breakdown of the time gained in the bi-modal combinations by hemispace, hands and gender, provide further support for the "inverse effectiveness" principle, as the maximal bi-modal enhancements occurred for the least effective uni-modal responses.
CC : 002A25E; 002A25H
FD : Ecriture; Force; Facilitation; Main; Homme; Perception haptique
ED : Hand writing; Force; Facilitation; Hand; Human; Haptic perception
SD : Escritura; Fuerza; Facilitación; Mano; Hombre
LO : INIST-12535.354000175180110120
ID : 08-0154180

Links to Exploration step

Pascal:08-0154180

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