Natural stimuli from three coherent modalities enhance behavioral responses and electrophysiological cortical activity in humans
Identifieur interne : 000124 ( PascalFrancis/Corpus ); précédent : 000123; suivant : 000125Natural stimuli from three coherent modalities enhance behavioral responses and electrophysiological cortical activity in humans
Auteurs : Irit Sella ; Miriam Reiner ; Hillel PrattSource :
- International journal of psychophysiology [ 0167-8760 ] ; 2014.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
Cues that involve a number of sensory modalities are processed in the brain in an interactive multimodal manner rather than independently for each modality. We studied multimodal integration in a natural, yet fully controlled scene, implemented as an interactive game in an auditory-haptic-visual virtual environment In this imitation of a natural scene, the targets of perception were ecologically valid uni-, bi- and tri-modal manifestations of a simple event-a ball hitting a wall. Subjects were engaged in the game while their behavioral and early cortical electrophysiological responses were measured. Behavioral results confirmed that tri-modal cues were detected faster and more accurately than bi-modal cues, which, likewise, showed advantages over unimodal responses. Event-Related Potentials (ERPs) were recorded, and the first 200 ms following stimulus onset was analyzed to reveal the latencies of cortical multimodal interactions as estimated by sLORETA. These electrophysiological findings indicated bi-modal as well as tri-modal interactions beginning very early (∼30 ms), uniquely for each multimodal combination. The results suggest that early cortical multimodal integration accelerates cortical activity and, in turn, enhances performance measures. This acceleration registers on the scalp as sub-additive cortical activation.
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Format Inist (serveur)
NO : | FRANCIS 14-0180099 INIST |
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ET : | Natural stimuli from three coherent modalities enhance behavioral responses and electrophysiological cortical activity in humans |
AU : | SELLA (Irit); REINER (Miriam); PRATT (Hillel); GRUZELIER (John); BAMIDIS (Panagiotis); PAGANI (Linda); REINER (Miriam); ROS (Tomas) |
AF : | The Virtual Reality and NeuroCognition Laboratory, Technion, Israel Institute of Science/Israël (1 aut., 2 aut.); Evoked Potentials Laboratory, Technion, Israel Institute of Science/Israël (1 aut., 3 aut.); Department of Psychology, Goldsmiths, University of London, LewishamWay, New Cross/London SE14 6NW/Royaume-Uni (1 aut.); Laboratory of Medical Physics, Department of Medicine, School of Health Sciences, Aristotle University of Thessaloniki/Grèce (2 aut.); Centre de Recherche de l'Hôpital Sainte-Justine, Université de Montréal/Canada (3 aut.); Department of Applied Psychology, New York University/Etats-Unis (3 aut.); The Virtual Reality and NeuroCognition Laboratory, Technion, Israel Institute of Science/Israël (4 aut.); Department of Fundamental Neurosciences, University of Geneva/Suisse (5 aut.) |
DT : | Publication en série; Niveau analytique |
SO : | International journal of psychophysiology; ISSN 0167-8760; Coden IJPSEE; Pays-Bas; Da. 2014; Vol. 93; No. 1; Pp. 45-55; Bibl. 1 p.1/4 |
LA : | Anglais |
EA : | Cues that involve a number of sensory modalities are processed in the brain in an interactive multimodal manner rather than independently for each modality. We studied multimodal integration in a natural, yet fully controlled scene, implemented as an interactive game in an auditory-haptic-visual virtual environment In this imitation of a natural scene, the targets of perception were ecologically valid uni-, bi- and tri-modal manifestations of a simple event-a ball hitting a wall. Subjects were engaged in the game while their behavioral and early cortical electrophysiological responses were measured. Behavioral results confirmed that tri-modal cues were detected faster and more accurately than bi-modal cues, which, likewise, showed advantages over unimodal responses. Event-Related Potentials (ERPs) were recorded, and the first 200 ms following stimulus onset was analyzed to reveal the latencies of cortical multimodal interactions as estimated by sLORETA. These electrophysiological findings indicated bi-modal as well as tri-modal interactions beginning very early (∼30 ms), uniquely for each multimodal combination. The results suggest that early cortical multimodal integration accelerates cortical activity and, in turn, enhances performance measures. This acceleration registers on the scalp as sub-additive cortical activation. |
CC : | 770B03 |
FD : | Comportement; Electrophysiologie; Cortex cérébral; Perception intermodale; Audition; Vision; Sensibilité tactile; Potentiel évoqué; Potentiel évoqué cognitif; Réalité virtuelle; Homme |
FG : | Encéphale; Système nerveux central |
ED : | Behavior; Electrophysiology; Cerebral cortex; Intermodal perception; Hearing; Vision; Tactile sensitivity; Evoked potential; Event evoked potential; Virtual reality; Human |
EG : | Encephalon; Central nervous system |
SD : | Conducta; Electrofisiología; Corteza cerebral; Percepción intermodal; Audición; Visión; Sensibilidad tactil; Potencial evocado; Potencial evocado cognitivo; Realidad virtual; Hombre |
LO : | INIST-20304.354000502793560060 |
ID : | 14-0180099 |
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Francis:14-0180099Le document en format XML
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<front><div type="abstract" xml:lang="en">Cues that involve a number of sensory modalities are processed in the brain in an interactive multimodal manner rather than independently for each modality. We studied multimodal integration in a natural, yet fully controlled scene, implemented as an interactive game in an auditory-haptic-visual virtual environment In this imitation of a natural scene, the targets of perception were ecologically valid uni-, bi- and tri-modal manifestations of a simple event-a ball hitting a wall. Subjects were engaged in the game while their behavioral and early cortical electrophysiological responses were measured. Behavioral results confirmed that tri-modal cues were detected faster and more accurately than bi-modal cues, which, likewise, showed advantages over unimodal responses. Event-Related Potentials (ERPs) were recorded, and the first 200 ms following stimulus onset was analyzed to reveal the latencies of cortical multimodal interactions as estimated by sLORETA. These electrophysiological findings indicated bi-modal as well as tri-modal interactions beginning very early (∼30 ms), uniquely for each multimodal combination. The results suggest that early cortical multimodal integration accelerates cortical activity and, in turn, enhances performance measures. This acceleration registers on the scalp as sub-additive cortical activation.</div>
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<ET>Natural stimuli from three coherent modalities enhance behavioral responses and electrophysiological cortical activity in humans</ET>
<AU>SELLA (Irit); REINER (Miriam); PRATT (Hillel); GRUZELIER (John); BAMIDIS (Panagiotis); PAGANI (Linda); REINER (Miriam); ROS (Tomas)</AU>
<AF>The Virtual Reality and NeuroCognition Laboratory, Technion, Israel Institute of Science/Israël (1 aut., 2 aut.); Evoked Potentials Laboratory, Technion, Israel Institute of Science/Israël (1 aut., 3 aut.); Department of Psychology, Goldsmiths, University of London, LewishamWay, New Cross/London SE14 6NW/Royaume-Uni (1 aut.); Laboratory of Medical Physics, Department of Medicine, School of Health Sciences, Aristotle University of Thessaloniki/Grèce (2 aut.); Centre de Recherche de l'Hôpital Sainte-Justine, Université de Montréal/Canada (3 aut.); Department of Applied Psychology, New York University/Etats-Unis (3 aut.); The Virtual Reality and NeuroCognition Laboratory, Technion, Israel Institute of Science/Israël (4 aut.); Department of Fundamental Neurosciences, University of Geneva/Suisse (5 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>International journal of psychophysiology; ISSN 0167-8760; Coden IJPSEE; Pays-Bas; Da. 2014; Vol. 93; No. 1; Pp. 45-55; Bibl. 1 p.1/4</SO>
<LA>Anglais</LA>
<EA>Cues that involve a number of sensory modalities are processed in the brain in an interactive multimodal manner rather than independently for each modality. We studied multimodal integration in a natural, yet fully controlled scene, implemented as an interactive game in an auditory-haptic-visual virtual environment In this imitation of a natural scene, the targets of perception were ecologically valid uni-, bi- and tri-modal manifestations of a simple event-a ball hitting a wall. Subjects were engaged in the game while their behavioral and early cortical electrophysiological responses were measured. Behavioral results confirmed that tri-modal cues were detected faster and more accurately than bi-modal cues, which, likewise, showed advantages over unimodal responses. Event-Related Potentials (ERPs) were recorded, and the first 200 ms following stimulus onset was analyzed to reveal the latencies of cortical multimodal interactions as estimated by sLORETA. These electrophysiological findings indicated bi-modal as well as tri-modal interactions beginning very early (∼30 ms), uniquely for each multimodal combination. The results suggest that early cortical multimodal integration accelerates cortical activity and, in turn, enhances performance measures. This acceleration registers on the scalp as sub-additive cortical activation.</EA>
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<FD>Comportement; Electrophysiologie; Cortex cérébral; Perception intermodale; Audition; Vision; Sensibilité tactile; Potentiel évoqué; Potentiel évoqué cognitif; Réalité virtuelle; Homme</FD>
<FG>Encéphale; Système nerveux central</FG>
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