A Comparison of Visual and Auditory Motion Processing in Human Cerebral Cortex
Visual and auditory motion information can be used together to provide complementary information about the movement of objects. To investigate the neural substrates of such cross-modal integration, functional magnetic resonance imaging was used to assess brain activation while subjects performed sep...
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Veröffentlicht in: | Cerebral cortex (New York, N.Y. 1991) N.Y. 1991), 2000-09, Vol.10 (9), p.873-888 |
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creator | Lewis, James W. Beauchamp, Michael S. DeYoe, Edgar A. |
description | Visual and auditory motion information can be used together to provide complementary information about the movement of objects. To investigate the neural substrates of such cross-modal integration, functional magnetic resonance imaging was used to assess brain activation while subjects performed separate visual and auditory motion discrimination tasks. Areas of unimodal activation included the primary and/or early sensory cortex for each modality plus additional sites extending toward parietal cortex. Areas conjointly activated by both tasks included lateral parietal cortex, lateral frontal cortex, anterior midline and anterior insular cortex. The parietal site encompassed distinct, but partially overlapping, zones of activation in or near the intraparietal sulcus (IPS). A subsequent task requiring an explicit cross-modal speed comparison revealed several foci of enhanced activity relative to the unimodal tasks. These included the IPS, anterior midline, and anterior insula but not frontal cortex. During the unimodal auditory motion task, portions of the dorsal visual motion system showed signals depressed below resting baseline. Thus, interactions between the two systems involved either enhancement or suppression depending on the stimuli present and the nature of the perceptual task. Together, these results identify human cortical regions involved in polysensory integration and the attentional selection of cross-modal motion information. |
doi_str_mv | 10.1093/cercor/10.9.873 |
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During the unimodal auditory motion task, portions of the dorsal visual motion system showed signals depressed below resting baseline. Thus, interactions between the two systems involved either enhancement or suppression depending on the stimuli present and the nature of the perceptual task. 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Cortex</addtitle><description>Visual and auditory motion information can be used together to provide complementary information about the movement of objects. To investigate the neural substrates of such cross-modal integration, functional magnetic resonance imaging was used to assess brain activation while subjects performed separate visual and auditory motion discrimination tasks. Areas of unimodal activation included the primary and/or early sensory cortex for each modality plus additional sites extending toward parietal cortex. Areas conjointly activated by both tasks included lateral parietal cortex, lateral frontal cortex, anterior midline and anterior insular cortex. The parietal site encompassed distinct, but partially overlapping, zones of activation in or near the intraparietal sulcus (IPS). A subsequent task requiring an explicit cross-modal speed comparison revealed several foci of enhanced activity relative to the unimodal tasks. These included the IPS, anterior midline, and anterior insula but not frontal cortex. During the unimodal auditory motion task, portions of the dorsal visual motion system showed signals depressed below resting baseline. Thus, interactions between the two systems involved either enhancement or suppression depending on the stimuli present and the nature of the perceptual task. Together, these results identify human cortical regions involved in polysensory integration and the attentional selection of cross-modal motion information.</description><subject>Acoustic Stimulation</subject><subject>Adult</subject><subject>Attention - physiology</subject><subject>Auditory Cortex - physiology</subject><subject>Cerebral Cortex - physiology</subject><subject>Discrimination Learning - physiology</subject><subject>Eye Movements - physiology</subject><subject>Female</subject><subject>Fixation, Ocular - physiology</subject><subject>Humans</subject><subject>Male</subject><subject>Memory - physiology</subject><subject>Middle Aged</subject><subject>Motion Perception - physiology</subject><subject>Neural Inhibition - physiology</subject><subject>Occipital Lobe - physiology</subject><subject>Parietal Lobe - physiology</subject><subject>Perceptual Masking - physiology</subject><subject>Photic Stimulation</subject><subject>Pitch Perception - physiology</subject><subject>sensory integration</subject><subject>Sound Localization - physiology</subject><subject>Space life sciences</subject><issn>1047-3211</issn><issn>1460-2199</issn><issn>1460-2199</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkUtLxDAUhYMovtfuJLhwVyevJs1yLOoIvlERNyFNU4lOmzFpQf-9GSoiblwlN_c7B04OAHsYHWEk6cTYYHyYpFEeFYKugE3MOMoIlnI13RETGSUYb4CtGF8RwoLkZB1sJG1BBCs2wdUUlr5d6OCi76Bv4KOLg55D3dVwOtSu9-ETXvrepe1N8MbG6LoX6Do4G1rdwdIGW4UkKH3o7ccOWGv0PNrd73MbPJye3Jez7OL67LycXmSGSd5nrGKYshrxSqAaVwZX2mBao9zWOeJcSJOeMS9MlTPb5JYUTSMtYnXFTEMwotvgcPRdBP8-2Nir1kVj53PdWT9EJUgKmiL-C2KBKEVk6XjwB3z1Q-hSCIVlITgvJEvQZIRM8DEG26hFcK0OnwojtSxEjYUsR6lSIUmx_207VK2tf_FjAwnIRsDF9H8_ex3eFBdU5Gr29Kzuni7RLT0-Vmf0C0qMleg</recordid><startdate>20000901</startdate><enddate>20000901</enddate><creator>Lewis, James W.</creator><creator>Beauchamp, Michael S.</creator><creator>DeYoe, Edgar A.</creator><general>Oxford University Press</general><general>Oxford Publishing Limited (England)</general><scope>BSCLL</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QR</scope><scope>7TK</scope><scope>7U7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>K9.</scope><scope>P64</scope><scope>7X8</scope></search><sort><creationdate>20000901</creationdate><title>A Comparison of Visual and Auditory Motion Processing in Human Cerebral Cortex</title><author>Lewis, James W. ; Beauchamp, Michael S. ; DeYoe, Edgar A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c496t-4b4134d06b70d1bc1bac13d05ed506679c0d1168cb54ef5e28ff9e04db4cf2103</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Acoustic Stimulation</topic><topic>Adult</topic><topic>Attention - physiology</topic><topic>Auditory Cortex - physiology</topic><topic>Cerebral Cortex - physiology</topic><topic>Discrimination Learning - physiology</topic><topic>Eye Movements - physiology</topic><topic>Female</topic><topic>Fixation, Ocular - physiology</topic><topic>Humans</topic><topic>Male</topic><topic>Memory - physiology</topic><topic>Middle Aged</topic><topic>Motion Perception - physiology</topic><topic>Neural Inhibition - physiology</topic><topic>Occipital Lobe - physiology</topic><topic>Parietal Lobe - physiology</topic><topic>Perceptual Masking - physiology</topic><topic>Photic Stimulation</topic><topic>Pitch Perception - physiology</topic><topic>sensory integration</topic><topic>Sound Localization - physiology</topic><topic>Space life sciences</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lewis, James W.</creatorcontrib><creatorcontrib>Beauchamp, Michael S.</creatorcontrib><creatorcontrib>DeYoe, Edgar A.</creatorcontrib><collection>Istex</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Chemoreception Abstracts</collection><collection>Neurosciences Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Cerebral cortex (New York, N.Y. 1991)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lewis, James W.</au><au>Beauchamp, Michael S.</au><au>DeYoe, Edgar A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A Comparison of Visual and Auditory Motion Processing in Human Cerebral Cortex</atitle><jtitle>Cerebral cortex (New York, N.Y. 1991)</jtitle><addtitle>Cereb. 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subjects | Acoustic Stimulation Adult Attention - physiology Auditory Cortex - physiology Cerebral Cortex - physiology Discrimination Learning - physiology Eye Movements - physiology Female Fixation, Ocular - physiology Humans Male Memory - physiology Middle Aged Motion Perception - physiology Neural Inhibition - physiology Occipital Lobe - physiology Parietal Lobe - physiology Perceptual Masking - physiology Photic Stimulation Pitch Perception - physiology sensory integration Sound Localization - physiology Space life sciences |
title | A Comparison of Visual and Auditory Motion Processing in Human Cerebral Cortex |
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