Repetition priming for multisensory stimuli : Task-irrelevant and task-relevant stimuli are associated if semantically related but with no advantage over uni-sensory stimuli
Identifieur interne : 000876 ( PascalFrancis/Corpus ); précédent : 000875; suivant : 000877Repetition priming for multisensory stimuli : Task-irrelevant and task-relevant stimuli are associated if semantically related but with no advantage over uni-sensory stimuli
Auteurs : Dauid Hecht ; Miriam Reiner ; Aui KarniSource :
- Brain research [ 0006-8993 ] ; 2009.
Descripteurs français
- Pascal (Inist)
English descriptors
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Abstract
Signals presented simultaneously in two sensory modalities are detected faster and more accurately than their uni-modal presentations. We investigated the effect of repeated experience in successive test blocks (Repetition Priming, RP) for simultaneously presented multi-sensory stimuli, as compared to uni-sensory, visual, stimuli. Participants had to decide whether the order of letters in two letter-strings (the visual stimulus) was reversed or not. The visual stimuli were presented alone or accompanied by a task-irrelevant auditory or a haptic signal. The letter-strings denoted words that were either semantically related or unrelated to the auditory or haptic signals. RT measurements showed significant RP across all conditions, with accuracy at ceiling. The RP gains were not significantly different for the uni- and the bi-sensory stimulus combinations in the initial three blocks. However, in the 4th block, where instead of the paired bi-sensory stimuli the previously paired visual stimulus was presented alone, the RP gains were significantly smaller in the semantically-related stimuli (disassociation cost). Congruent bi-sensory stimuli had been shown to improve perceptual learning compared to uni-sensory stimuli when both signals were task-relevant. Our results suggest that when an additional signal, in a different sensory modality, is irrelevant for the task's performance, there may be no advantage - in terms of greater RP gains - for multisensory stimuli. Nevertheless, semantically related stimuli experienced simultaneously in different sensory modalities may be represented in an associative manner in implicit memory even when only one stimulus is task-relevant.
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Format Inist (serveur)
| NO : | FRANCIS 09-0168845 INIST |
|---|---|
| ET : | Repetition priming for multisensory stimuli : Task-irrelevant and task-relevant stimuli are associated if semantically related but with no advantage over uni-sensory stimuli |
| AU : | HECHT (Dauid); REINER (Miriam); KARNI (Aui) |
| AF : | The Touch Laboratory, Department of Education in Technology and Science, Technion -Israel Institute of Technology/Haifa/Israël (1 aut., 2 aut.); The Brain-Behavior Research Center, Department of Neurobiology and Ethology, Faculty of Science and Science Education, University of Haifa/Haifa/Israël (1 aut., 3 aut.) |
| DT : | Publication en série; Niveau analytique |
| SO : | Brain research; ISSN 0006-8993; Coden BRREAP; Pays-Bas; Da. 2009; Vol. 1251; Pp. 236-244; Bibl. 1 p.1/4 |
| LA : | Anglais |
| EA : | Signals presented simultaneously in two sensory modalities are detected faster and more accurately than their uni-modal presentations. We investigated the effect of repeated experience in successive test blocks (Repetition Priming, RP) for simultaneously presented multi-sensory stimuli, as compared to uni-sensory, visual, stimuli. Participants had to decide whether the order of letters in two letter-strings (the visual stimulus) was reversed or not. The visual stimuli were presented alone or accompanied by a task-irrelevant auditory or a haptic signal. The letter-strings denoted words that were either semantically related or unrelated to the auditory or haptic signals. RT measurements showed significant RP across all conditions, with accuracy at ceiling. The RP gains were not significantly different for the uni- and the bi-sensory stimulus combinations in the initial three blocks. However, in the 4th block, where instead of the paired bi-sensory stimuli the previously paired visual stimulus was presented alone, the RP gains were significantly smaller in the semantically-related stimuli (disassociation cost). Congruent bi-sensory stimuli had been shown to improve perceptual learning compared to uni-sensory stimuli when both signals were task-relevant. Our results suggest that when an additional signal, in a different sensory modality, is irrelevant for the task's performance, there may be no advantage - in terms of greater RP gains - for multisensory stimuli. Nevertheless, semantically related stimuli experienced simultaneously in different sensory modalities may be represented in an associative manner in implicit memory even when only one stimulus is task-relevant. |
| CC : | 770B03I |
| FD : | Effet amorçage; Répétition; Perception intermodale; Relation sémantique; Cognition; Mémoire implicite; Homme |
| FG : | Langage |
| ED : | Priming effect; Repetition; Intermodal perception; Semantic relation; Cognition; Implicit memory; Human |
| EG : | Language |
| SD : | Efecto priming; Repetición; Percepción intermodal; Relación semántica; Cognición; Memoria implícita; Hombre |
| LO : | INIST-12895.354000196119540230 |
| ID : | 09-0168845 |
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We investigated the effect of repeated experience in successive test blocks (Repetition Priming, RP) for simultaneously presented multi-sensory stimuli, as compared to uni-sensory, visual, stimuli. Participants had to decide whether the order of letters in two letter-strings (the visual stimulus) was reversed or not. The visual stimuli were presented alone or accompanied by a task-irrelevant auditory or a haptic signal. The letter-strings denoted words that were either semantically related or unrelated to the auditory or haptic signals. RT measurements showed significant RP across all conditions, with accuracy at ceiling. The RP gains were not significantly different for the uni- and the bi-sensory stimulus combinations in the initial three blocks. However, in the 4th block, where instead of the paired bi-sensory stimuli the previously paired visual stimulus was presented alone, the RP gains were significantly smaller in the semantically-related stimuli (disassociation cost). Congruent bi-sensory stimuli had been shown to improve perceptual learning compared to uni-sensory stimuli when both signals were task-relevant. Our results suggest that when an additional signal, in a different sensory modality, is irrelevant for the task's performance, there may be no advantage - in terms of greater RP gains - for multisensory stimuli. Nevertheless, semantically related stimuli experienced simultaneously in different sensory modalities may be represented in an associative manner in implicit memory even when only one stimulus is task-relevant.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0006-8993</s0></fA01><fA02 i1="01"><s0>BRREAP</s0></fA02><fA03 i2="1"><s0>Brain res.</s0></fA03><fA05><s2>1251</s2></fA05><fA08 i1="01" i2="1" l="ENG"><s1>Repetition priming for multisensory stimuli : Task-irrelevant and task-relevant stimuli are associated if semantically related but with no advantage over uni-sensory stimuli</s1></fA08><fA11 i1="01" i2="1"><s1>HECHT (Dauid)</s1></fA11><fA11 i1="02" i2="1"><s1>REINER (Miriam)</s1></fA11><fA11 i1="03" i2="1"><s1>KARNI (Aui)</s1></fA11><fA14 i1="01"><s1>The Touch Laboratory, Department of Education in Technology and Science, Technion -Israel Institute of Technology</s1><s2>Haifa</s2><s3>ISR</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></fA14><fA14 i1="02"><s1>The Brain-Behavior Research Center, Department of Neurobiology and Ethology, Faculty of Science and Science Education, University of Haifa</s1><s2>Haifa</s2><s3>ISR</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ></fA14><fA20><s1>236-244</s1></fA20><fA21><s1>2009</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>12895</s2><s5>354000196119540230</s5></fA43><fA44><s0>0000</s0><s1>© 2009 INIST-CNRS. All rights reserved.</s1></fA44><fA45><s0>1 p.1/4</s0></fA45><fA47 i1="01" i2="1"><s0>09-0168845</s0></fA47><fA60><s1>P</s1></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Brain research</s0></fA64><fA66 i1="01"><s0>NLD</s0></fA66><fC01 i1="01" l="ENG"><s0>Signals presented simultaneously in two sensory modalities are detected faster and more accurately than their uni-modal presentations. We investigated the effect of repeated experience in successive test blocks (Repetition Priming, RP) for simultaneously presented multi-sensory stimuli, as compared to uni-sensory, visual, stimuli. Participants had to decide whether the order of letters in two letter-strings (the visual stimulus) was reversed or not. The visual stimuli were presented alone or accompanied by a task-irrelevant auditory or a haptic signal. The letter-strings denoted words that were either semantically related or unrelated to the auditory or haptic signals. 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We investigated the effect of repeated experience in successive test blocks (Repetition Priming, RP) for simultaneously presented multi-sensory stimuli, as compared to uni-sensory, visual, stimuli. Participants had to decide whether the order of letters in two letter-strings (the visual stimulus) was reversed or not. The visual stimuli were presented alone or accompanied by a task-irrelevant auditory or a haptic signal. The letter-strings denoted words that were either semantically related or unrelated to the auditory or haptic signals. RT measurements showed significant RP across all conditions, with accuracy at ceiling. The RP gains were not significantly different for the uni- and the bi-sensory stimulus combinations in the initial three blocks. However, in the 4th block, where instead of the paired bi-sensory stimuli the previously paired visual stimulus was presented alone, the RP gains were significantly smaller in the semantically-related stimuli (disassociation cost). Congruent bi-sensory stimuli had been shown to improve perceptual learning compared to uni-sensory stimuli when both signals were task-relevant. Our results suggest that when an additional signal, in a different sensory modality, is irrelevant for the task's performance, there may be no advantage - in terms of greater RP gains - for multisensory stimuli. Nevertheless, semantically related stimuli experienced simultaneously in different sensory modalities may be represented in an associative manner in implicit memory even when only one stimulus is task-relevant.</EA><CC>770B03I</CC><FD>Effet amorçage; Répétition; Perception intermodale; Relation sémantique; Cognition; Mémoire implicite; Homme</FD><FG>Langage</FG><ED>Priming effect; Repetition; Intermodal perception; Semantic relation; Cognition; Implicit memory; Human</ED><EG>Language</EG><SD>Efecto priming; Repetición; Percepción intermodal; Relación semántica; Cognición; Memoria implícita; Hombre</SD><LO>INIST-12895.354000196119540230</LO><ID>09-0168845</ID></server></inist></record>Pour manipuler ce document sous Unix (Dilib)
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