HapticV1, Ncbi, Checkpoint, bibRecord, 001899

Seeing Touch Is Correlated with Content-Specific Activity in Primary Somatosensory Cortex

Identifieur interne : 001899 ( Ncbi/Checkpoint ); précédent : 001898; suivant : 001900

Seeing Touch Is Correlated with Content-Specific Activity in Primary Somatosensory Cortex

Auteurs : Kaspar Meyer ; Jonas T. Kaplan ; Ryan Essex ; Hanna Damasio ; Antonio Damasio

Source :

Cerebral Cortex (New York, NY) [ 1047-3211 ] ; 2011.

RBID : PMC:3155604

English descriptors

KwdEn :
- Analysis of Variance, Female, Humans, Image Processing, Computer-Assisted, Magnetic Resonance Imaging, Male, Motion Pictures as Topic, Photic Stimulation, Proprioception (physiology), Psychomotor Performance (physiology), Somatosensory Cortex (physiology), Touch (physiology), Visual Perception (physiology).
MESH :
- physiology : Proprioception, Psychomotor Performance, Somatosensory Cortex, Touch, Visual Perception.
- Analysis of Variance, Female, Humans, Image Processing, Computer-Assisted, Magnetic Resonance Imaging, Male, Motion Pictures as Topic, Photic Stimulation.

Abstract

There is increasing evidence to suggest that primary sensory cortices can become active in the absence of external stimulation in their respective modalities. This occurs, for example, when stimuli processed via one sensory modality imply features characteristic of a different modality; for instance, visual stimuli that imply touch have been observed to activate the primary somatosensory cortex (SI). In the present study, we addressed the question of whether such cross-modal activations are content specific. To this end, we investigated neural activity in the primary somatosensory cortex of subjects who observed human hands engaged in the haptic exploration of different everyday objects. Using multivariate pattern analysis of functional magnetic resonance imaging data, we were able to predict, based exclusively on the activity pattern in SI, which of several objects a subject saw being explored. Along with previous studies that found similar evidence for other modalities, our results suggest that primary sensory cortices represent information relevant for their modality even when this information enters the brain via a different sensory system.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3155604

DOI: 10.1093/cercor/bhq289
PubMed: 21330469
PubMed Central: 3155604

Affiliations:

Links to Exploration step

PMC:3155604

Le document en format XML

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<author><name sortKey="Meyer, Kaspar" sort="Meyer, Kaspar" uniqKey="Meyer K" first="Kaspar" last="Meyer">Kaspar Meyer</name>
</author>
<author><name sortKey="Kaplan, Jonas T" sort="Kaplan, Jonas T" uniqKey="Kaplan J" first="Jonas T." last="Kaplan">Jonas T. Kaplan</name>
</author>
<author><name sortKey="Essex, Ryan" sort="Essex, Ryan" uniqKey="Essex R" first="Ryan" last="Essex">Ryan Essex</name>
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<author><name sortKey="Damasio, Hanna" sort="Damasio, Hanna" uniqKey="Damasio H" first="Hanna" last="Damasio">Hanna Damasio</name>
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<author><name sortKey="Damasio, Antonio" sort="Damasio, Antonio" uniqKey="Damasio A" first="Antonio" last="Damasio">Antonio Damasio</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Seeing Touch Is Correlated with Content-Specific Activity in Primary Somatosensory Cortex</title>
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<author><name sortKey="Essex, Ryan" sort="Essex, Ryan" uniqKey="Essex R" first="Ryan" last="Essex">Ryan Essex</name>
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<author><name sortKey="Damasio, Hanna" sort="Damasio, Hanna" uniqKey="Damasio H" first="Hanna" last="Damasio">Hanna Damasio</name>
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<author><name sortKey="Damasio, Antonio" sort="Damasio, Antonio" uniqKey="Damasio A" first="Antonio" last="Damasio">Antonio Damasio</name>
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<series><title level="j">Cerebral Cortex (New York, NY)</title>
<idno type="ISSN">1047-3211</idno>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Analysis of Variance</term>
<term>Female</term>
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<term>Motion Pictures as Topic</term>
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<term>Proprioception (physiology)</term>
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<term>Visual Perception</term>
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<keywords scheme="MESH" xml:lang="en"><term>Analysis of Variance</term>
<term>Female</term>
<term>Humans</term>
<term>Image Processing, Computer-Assisted</term>
<term>Magnetic Resonance Imaging</term>
<term>Male</term>
<term>Motion Pictures as Topic</term>
<term>Photic Stimulation</term>
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<front><div type="abstract" xml:lang="en"><p>There is increasing evidence to suggest that primary sensory cortices can become active in the absence of external stimulation in their respective modalities. This occurs, for example, when stimuli processed via one sensory modality imply features characteristic of a different modality; for instance, visual stimuli that imply touch have been observed to activate the primary somatosensory cortex (SI). In the present study, we addressed the question of whether such cross-modal activations are content specific. To this end, we investigated neural activity in the primary somatosensory cortex of subjects who observed human hands engaged in the haptic exploration of different everyday objects. Using multivariate pattern analysis of functional magnetic resonance imaging data, we were able to predict, based exclusively on the activity pattern in SI, which of several objects a subject saw being explored. Along with previous studies that found similar evidence for other modalities, our results suggest that primary sensory cortices represent information relevant for their modality even when this information enters the brain via a different sensory system.</p>
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<tree><noCountry><name sortKey="Damasio, Antonio" sort="Damasio, Antonio" uniqKey="Damasio A" first="Antonio" last="Damasio">Antonio Damasio</name>
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<name sortKey="Essex, Ryan" sort="Essex, Ryan" uniqKey="Essex R" first="Ryan" last="Essex">Ryan Essex</name>
<name sortKey="Kaplan, Jonas T" sort="Kaplan, Jonas T" uniqKey="Kaplan J" first="Jonas T." last="Kaplan">Jonas T. Kaplan</name>
<name sortKey="Meyer, Kaspar" sort="Meyer, Kaspar" uniqKey="Meyer K" first="Kaspar" last="Meyer">Kaspar Meyer</name>
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Serveur d'exploration sur les dispositifs haptiques

Seeing Touch Is Correlated with Content-Specific Activity in Primary Somatosensory Cortex

Seeing Touch Is Correlated with Content-Specific Activity in Primary Somatosensory Cortex

Source :

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki

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