Visuo-haptic neuronal convergence demonstrated with an inversely effective pattern of BOLD activation.
Identifieur interne : 001D34 ( Ncbi/Curation ); précédent : 001D33; suivant : 001D35Visuo-haptic neuronal convergence demonstrated with an inversely effective pattern of BOLD activation.
Auteurs : Sunah Kim [États-Unis] ; Ryan A. Stevenson ; Thomas W. JamesSource :
- Journal of cognitive neuroscience [ 1530-8898 ] ; 2012.
English descriptors
- KwdEn :
- Adult, Brain (blood supply), Brain (physiology), Brain Mapping, Female, Functional Laterality, Humans, Image Processing, Computer-Assisted, Magnetic Resonance Imaging, Male, Oxygen (blood), Pattern Recognition, Physiological (physiology), Pattern Recognition, Visual (physiology), Photic Stimulation, Reaction Time, Touch (physiology), Young Adult.
- MESH :
- chemical , blood : Oxygen.
- blood supply : Brain.
- physiology : Brain, Pattern Recognition, Physiological, Pattern Recognition, Visual, Touch.
- Adult, Brain Mapping, Female, Functional Laterality, Humans, Image Processing, Computer-Assisted, Magnetic Resonance Imaging, Male, Photic Stimulation, Reaction Time, Young Adult.
Abstract
We investigated the neural substrates involved in visuo-haptic neuronal convergence using an additive-factors design in combination with fMRI. Stimuli were explored under three sensory modality conditions: viewing the object through a mirror without touching (V), touching the object with eyes closed (H), or simultaneously viewing and touching the object (VH). This modality factor was crossed with a task difficulty factor, which had two levels. On the basis of an idea similar to the principle of inverse effectiveness, we predicted that increasing difficulty would increase the relative level of multisensory gain in brain regions where visual and haptic sensory inputs converged. An ROI analysis focused on the lateral occipital tactile-visual area found evidence of inverse effectiveness in the left lateral occipital tactile-visual area, but not in the right. A whole-brain analysis also found evidence for the same pattern in the anterior aspect of the intraparietal sulcus, the premotor cortex, and the posterior insula, all in the left hemisphere. In conclusion, this study is the first to demonstrate visuo-haptic neuronal convergence based on an inversely effective pattern of brain activation.
DOI: 10.1162/jocn_a_00176
PubMed: 22185495
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James</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2012">2012</date><idno type="doi">10.1162/jocn_a_00176</idno><idno type="RBID">pubmed:22185495</idno><idno type="pmid">22185495</idno><idno type="wicri:Area/PubMed/Corpus">000D57</idno><idno type="wicri:Area/PubMed/Curation">000D57</idno><idno type="wicri:Area/PubMed/Checkpoint">000A02</idno><idno type="wicri:Area/Ncbi/Merge">001D34</idno><idno type="wicri:Area/Ncbi/Curation">001D34</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Visuo-haptic neuronal convergence demonstrated with an inversely effective pattern of BOLD activation.</title><author><name sortKey="Kim, Sunah" sort="Kim, Sunah" uniqKey="Kim S" first="Sunah" last="Kim">Sunah Kim</name><affiliation wicri:level="2"><nlm:affiliation>360 Minor Hall, University of California, Berkeley, Berkeley, CA 94720, USA. sunahkim.email@gmail.com</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>360 Minor Hall, University of California, Berkeley, Berkeley, CA 94720</wicri:regionArea><placeName><region type="state">Californie</region></placeName></affiliation></author><author><name sortKey="Stevenson, Ryan A" sort="Stevenson, Ryan A" uniqKey="Stevenson R" first="Ryan A" last="Stevenson">Ryan A. Stevenson</name></author><author><name sortKey="James, Thomas W" sort="James, Thomas W" uniqKey="James T" first="Thomas W" last="James">Thomas W. James</name></author></analytic><series><title level="j">Journal of cognitive neuroscience</title><idno type="eISSN">1530-8898</idno><imprint><date when="2012" type="published">2012</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term><term>Brain (blood supply)</term><term>Brain (physiology)</term><term>Brain Mapping</term><term>Female</term><term>Functional Laterality</term><term>Humans</term><term>Image Processing, Computer-Assisted</term><term>Magnetic Resonance Imaging</term><term>Male</term><term>Oxygen (blood)</term><term>Pattern Recognition, Physiological (physiology)</term><term>Pattern Recognition, Visual (physiology)</term><term>Photic Stimulation</term><term>Reaction Time</term><term>Touch (physiology)</term><term>Young Adult</term></keywords><keywords scheme="MESH" type="chemical" qualifier="blood" xml:lang="en"><term>Oxygen</term></keywords><keywords scheme="MESH" qualifier="blood supply" xml:lang="en"><term>Brain</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Brain</term><term>Pattern Recognition, Physiological</term><term>Pattern Recognition, Visual</term><term>Touch</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Brain Mapping</term><term>Female</term><term>Functional Laterality</term><term>Humans</term><term>Image Processing, Computer-Assisted</term><term>Magnetic Resonance Imaging</term><term>Male</term><term>Photic Stimulation</term><term>Reaction Time</term><term>Young Adult</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">We investigated the neural substrates involved in visuo-haptic neuronal convergence using an additive-factors design in combination with fMRI. Stimuli were explored under three sensory modality conditions: viewing the object through a mirror without touching (V), touching the object with eyes closed (H), or simultaneously viewing and touching the object (VH). This modality factor was crossed with a task difficulty factor, which had two levels. On the basis of an idea similar to the principle of inverse effectiveness, we predicted that increasing difficulty would increase the relative level of multisensory gain in brain regions where visual and haptic sensory inputs converged. An ROI analysis focused on the lateral occipital tactile-visual area found evidence of inverse effectiveness in the left lateral occipital tactile-visual area, but not in the right. A whole-brain analysis also found evidence for the same pattern in the anterior aspect of the intraparietal sulcus, the premotor cortex, and the posterior insula, all in the left hemisphere. In conclusion, this study is the first to demonstrate visuo-haptic neuronal convergence based on an inversely effective pattern of brain activation.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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