Enhancement of response times to bi-and tri-modal sensory stimuli during active movements
Identifieur interne : 000974 ( PascalFrancis/Corpus ); précédent : 000973; suivant : 000975Enhancement of response times to bi-and tri-modal sensory stimuli during active movements
Auteurs : David Hecht ; Miriam Reiner ; Avi KarniSource :
- Experimental brain research [ 0014-4819 ] ; 2008.
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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.
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Format Inist (serveur)
NO : | PASCAL 08-0154180 INIST |
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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 |
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Pascal:08-0154180Le document en format XML
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<front><div type="abstract" xml:lang="en">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.</div>
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