Cross-modal activation of visual cortex during depth perception using auditory substitution of vision.
Identifieur interne : 006230 ( Main/Exploration ); précédent : 006229; suivant : 006231Cross-modal activation of visual cortex during depth perception using auditory substitution of vision.
Auteurs : Laurent Renier [Belgique] ; Olivier Collignon ; Colline Poirier ; Dai Tranduy ; Annick Vanlierde ; Anne Bol ; Claude Veraart ; Anne G. De VolderSource :
- NeuroImage [ 1053-8119 ] ; 2005.
English descriptors
- KwdEn :
- Acoustic Stimulation, Adult, Auditory Perception (physiology), Cerebrovascular Circulation, Data Interpretation, Statistical, Depth Perception (physiology), Form Perception (physiology), Humans, Image Interpretation, Computer-Assisted, Male, Nerve Net (physiology), Neuronal Plasticity (physiology), Positron-Emission Tomography, Prostheses and Implants, Psychomotor Performance (physiology), Recruitment, Neurophysiological (physiology), Size Perception (physiology), Visual Cortex (physiology), Visual Cortex (radionuclide imaging).
- MESH :
- physiology : Auditory Perception, Depth Perception, Form Perception, Nerve Net, Neuronal Plasticity, Psychomotor Performance, Recruitment, Neurophysiological, Size Perception, Visual Cortex.
- radionuclide imaging : Visual Cortex.
- Acoustic Stimulation, Adult, Cerebrovascular Circulation, Data Interpretation, Statistical, Humans, Image Interpretation, Computer-Assisted, Male, Positron-Emission Tomography, Prostheses and Implants.
Abstract
Previous neuroimaging studies identified multimodal brain areas in the visual cortex that are specialized for processing specific information, such as visual-haptic object recognition. Here, we test whether visual brain areas are involved in depth perception when auditory substitution of vision is used. Nine sighted volunteers were trained blindfolded to use a prosthesis substituting vision with audition both to recognize two-dimensional figures and to estimate distance of an object in a real three-dimensional environment. Using positron emission tomography, regional cerebral blood flow was assessed while the prosthesis was used to explore virtual 3D images; subjects focused either on 2D features (target search) or on depth (target distance comparison). Activation foci were found in visual association areas during both the target search task, which recruited the occipito-parietal cortex, and the depth perception task, which recruited occipito-parietal and occipito-temporal areas. This indicates that some brain areas of the visual cortex are relatively multimodal and may be recruited for depth processing via a sense other than vision.
DOI: 10.1016/j.neuroimage.2005.01.047
PubMed: 15907314
Affiliations:
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De Volder</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2005">2005</date><idno type="doi">10.1016/j.neuroimage.2005.01.047</idno><idno type="RBID">pubmed:15907314</idno><idno type="pmid">15907314</idno><idno type="wicri:Area/PubMed/Corpus">001936</idno><idno type="wicri:Area/PubMed/Curation">001936</idno><idno type="wicri:Area/PubMed/Checkpoint">001733</idno><idno type="wicri:Area/Ncbi/Merge">000753</idno><idno type="wicri:Area/Ncbi/Curation">000753</idno><idno type="wicri:Area/Ncbi/Checkpoint">000753</idno><idno type="wicri:doubleKey">1053-8119:2005:Renier L:cross:modal:activation</idno><idno type="wicri:Area/Main/Merge">006560</idno><idno type="wicri:Area/Main/Curation">006230</idno><idno type="wicri:Area/Main/Exploration">006230</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Cross-modal activation of visual cortex during depth perception using auditory substitution of vision.</title><author><name sortKey="Renier, Laurent" sort="Renier, Laurent" uniqKey="Renier L" first="Laurent" last="Renier">Laurent Renier</name><affiliation wicri:level="4"><nlm:affiliation>Neural Rehabilitation Engineering Laboratory, Université Catholique de Louvain, Av Hippocrate, Brussels, Belgium.</nlm:affiliation><country xml:lang="fr">Belgique</country><wicri:regionArea>Neural Rehabilitation Engineering Laboratory, Université Catholique de Louvain, Av Hippocrate, Brussels</wicri:regionArea><placeName><settlement type="city">Bruxelles</settlement><region nuts="2">Région de Bruxelles-Capitale</region></placeName><orgName type="university">Université catholique de Louvain</orgName></affiliation></author><author><name sortKey="Collignon, Olivier" sort="Collignon, Olivier" uniqKey="Collignon O" first="Olivier" last="Collignon">Olivier Collignon</name></author><author><name sortKey="Poirier, Colline" sort="Poirier, Colline" uniqKey="Poirier C" first="Colline" last="Poirier">Colline Poirier</name></author><author><name sortKey="Tranduy, Dai" sort="Tranduy, Dai" uniqKey="Tranduy D" first="Dai" last="Tranduy">Dai Tranduy</name></author><author><name sortKey="Vanlierde, Annick" sort="Vanlierde, Annick" uniqKey="Vanlierde A" first="Annick" last="Vanlierde">Annick Vanlierde</name></author><author><name sortKey="Bol, Anne" sort="Bol, Anne" uniqKey="Bol A" first="Anne" last="Bol">Anne Bol</name></author><author><name sortKey="Veraart, Claude" sort="Veraart, Claude" uniqKey="Veraart C" first="Claude" last="Veraart">Claude Veraart</name></author><author><name sortKey="De Volder, Anne G" sort="De Volder, Anne G" uniqKey="De Volder A" first="Anne G" last="De Volder">Anne G. De Volder</name></author></analytic><series><title level="j">NeuroImage</title><idno type="ISSN">1053-8119</idno><imprint><date when="2005" type="published">2005</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acoustic Stimulation</term><term>Adult</term><term>Auditory Perception (physiology)</term><term>Cerebrovascular Circulation</term><term>Data Interpretation, Statistical</term><term>Depth Perception (physiology)</term><term>Form Perception (physiology)</term><term>Humans</term><term>Image Interpretation, Computer-Assisted</term><term>Male</term><term>Nerve Net (physiology)</term><term>Neuronal Plasticity (physiology)</term><term>Positron-Emission Tomography</term><term>Prostheses and Implants</term><term>Psychomotor Performance (physiology)</term><term>Recruitment, Neurophysiological (physiology)</term><term>Size Perception (physiology)</term><term>Visual Cortex (physiology)</term><term>Visual Cortex (radionuclide imaging)</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Auditory Perception</term><term>Depth Perception</term><term>Form Perception</term><term>Nerve Net</term><term>Neuronal Plasticity</term><term>Psychomotor Performance</term><term>Recruitment, Neurophysiological</term><term>Size Perception</term><term>Visual Cortex</term></keywords><keywords scheme="MESH" qualifier="radionuclide imaging" xml:lang="en"><term>Visual Cortex</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Acoustic Stimulation</term><term>Adult</term><term>Cerebrovascular Circulation</term><term>Data Interpretation, Statistical</term><term>Humans</term><term>Image Interpretation, Computer-Assisted</term><term>Male</term><term>Positron-Emission Tomography</term><term>Prostheses and Implants</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Previous neuroimaging studies identified multimodal brain areas in the visual cortex that are specialized for processing specific information, such as visual-haptic object recognition. Here, we test whether visual brain areas are involved in depth perception when auditory substitution of vision is used. Nine sighted volunteers were trained blindfolded to use a prosthesis substituting vision with audition both to recognize two-dimensional figures and to estimate distance of an object in a real three-dimensional environment. Using positron emission tomography, regional cerebral blood flow was assessed while the prosthesis was used to explore virtual 3D images; subjects focused either on 2D features (target search) or on depth (target distance comparison). Activation foci were found in visual association areas during both the target search task, which recruited the occipito-parietal cortex, and the depth perception task, which recruited occipito-parietal and occipito-temporal areas. This indicates that some brain areas of the visual cortex are relatively multimodal and may be recruited for depth processing via a sense other than vision.</div></front></TEI><affiliations><list><country><li>Belgique</li></country><region><li>Région de Bruxelles-Capitale</li></region><settlement><li>Bruxelles</li></settlement><orgName><li>Université catholique de Louvain</li></orgName></list><tree><noCountry><name sortKey="Bol, Anne" sort="Bol, Anne" uniqKey="Bol A" first="Anne" last="Bol">Anne Bol</name><name sortKey="Collignon, Olivier" sort="Collignon, Olivier" uniqKey="Collignon O" first="Olivier" last="Collignon">Olivier Collignon</name><name sortKey="De Volder, Anne G" sort="De Volder, Anne G" uniqKey="De Volder A" first="Anne G" last="De Volder">Anne G. De Volder</name><name sortKey="Poirier, Colline" sort="Poirier, Colline" uniqKey="Poirier C" first="Colline" last="Poirier">Colline Poirier</name><name sortKey="Tranduy, Dai" sort="Tranduy, Dai" uniqKey="Tranduy D" first="Dai" last="Tranduy">Dai Tranduy</name><name sortKey="Vanlierde, Annick" sort="Vanlierde, Annick" uniqKey="Vanlierde A" first="Annick" last="Vanlierde">Annick Vanlierde</name><name sortKey="Veraart, Claude" sort="Veraart, Claude" uniqKey="Veraart C" first="Claude" last="Veraart">Claude Veraart</name></noCountry><country name="Belgique"><region name="Région de Bruxelles-Capitale"><name sortKey="Renier, Laurent" sort="Renier, Laurent" uniqKey="Renier L" first="Laurent" last="Renier">Laurent Renier</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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