Preserved Haptic Shape Processing after Bilateral LOC Lesions.
Identifieur interne : 000228 ( PubMed/Curation ); précédent : 000227; suivant : 000229Preserved Haptic Shape Processing after Bilateral LOC Lesions.
Auteurs : Jacqueline C. Snow ; Melvyn A. Goodale [Canada] ; Jody C. Culham [Canada]Source :
- The Journal of neuroscience : the official journal of the Society for Neuroscience [ 1529-2401 ] ; 2015.
English descriptors
- KwdEn :
- Adult, Brain Injuries (pathology), Brain Injuries (physiopathology), Female, Functional Laterality, Humans, Image Processing, Computer-Assisted, Magnetic Resonance Imaging, Male, Middle Aged, Occipital Lobe (blood supply), Occipital Lobe (pathology), Oxygen (blood), Pattern Recognition, Visual (physiology), Psychophysics, Time Factors, Touch, Visual Perception (physiology).
- MESH :
- chemical , blood : Oxygen.
- blood supply : Occipital Lobe.
- pathology : Brain Injuries, Occipital Lobe.
- physiology : Pattern Recognition, Visual, Visual Perception.
- physiopathology : Brain Injuries.
- Adult, Female, Functional Laterality, Humans, Image Processing, Computer-Assisted, Magnetic Resonance Imaging, Male, Middle Aged, Psychophysics, Time Factors, Touch.
Abstract
The visual and haptic perceptual systems are understood to share a common neural representation of object shape. A region thought to be critical for recognizing visual and haptic shape information is the lateral occipital complex (LOC). We investigated whether LOC is essential for haptic shape recognition in humans by studying behavioral responses and brain activation for haptically explored objects in a patient (M.C.) with bilateral lesions of the occipitotemporal cortex, including LOC. Despite severe deficits in recognizing objects using vision, M.C. was able to accurately recognize objects via touch. M.C.'s psychophysical response profile to haptically explored shapes was also indistinguishable from controls. Using fMRI, M.C. showed no object-selective visual or haptic responses in LOC, but her pattern of haptic activation in other brain regions was remarkably similar to healthy controls. Although LOC is routinely active during visual and haptic shape recognition tasks, it is not essential for haptic recognition of object shape.
DOI: 10.1523/JNEUROSCI.0859-14.2015
PubMed: 26446226
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Jacqueline C. Snow<affiliation><nlm:affiliation>Department of Psychology, University of Nevada, Reno, Nevada 89557, and jacqueline.c.snow@gmail.com snow@unr.edu.</nlm:affiliation><wicri:noCountry code="subField">and jacqueline.c.snow@gmail.com</wicri:noCountry></affiliation>Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Preserved Haptic Shape Processing after Bilateral LOC Lesions.</title><author><name sortKey="Snow, Jacqueline C" sort="Snow, Jacqueline C" uniqKey="Snow J" first="Jacqueline C" last="Snow">Jacqueline C. Snow</name><affiliation><nlm:affiliation>Department of Psychology, University of Nevada, Reno, Nevada 89557, and jacqueline.c.snow@gmail.com snow@unr.edu.</nlm:affiliation><wicri:noCountry code="subField">and jacqueline.c.snow@gmail.com</wicri:noCountry></affiliation></author><author><name sortKey="Goodale, Melvyn A" sort="Goodale, Melvyn A" uniqKey="Goodale M" first="Melvyn A" last="Goodale">Melvyn A. Goodale</name><affiliation wicri:level="1"><nlm:affiliation>The Brain and Mind Institute, The Natural Sciences Centre, Department of Psychology, University of Western Ontario, London, Ontario N6A5B7, Canada.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>The Brain and Mind Institute, The Natural Sciences Centre, Department of Psychology, University of Western Ontario, London, Ontario N6A5B7</wicri:regionArea></affiliation></author><author><name sortKey="Culham, Jody C" sort="Culham, Jody C" uniqKey="Culham J" first="Jody C" last="Culham">Jody C. Culham</name><affiliation wicri:level="1"><nlm:affiliation>The Brain and Mind Institute, The Natural Sciences Centre, Department of Psychology, University of Western Ontario, London, Ontario N6A5B7, Canada.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>The Brain and Mind Institute, The Natural Sciences Centre, Department of Psychology, University of Western Ontario, London, Ontario N6A5B7</wicri:regionArea></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2015">2015</date><idno type="doi">10.1523/JNEUROSCI.0859-14.2015</idno><idno type="RBID">pubmed:26446226</idno><idno type="pmid">26446226</idno><idno type="wicri:Area/PubMed/Corpus">000228</idno><idno type="wicri:Area/PubMed/Curation">000228</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Preserved Haptic Shape Processing after Bilateral LOC Lesions.</title><author><name sortKey="Snow, Jacqueline C" sort="Snow, Jacqueline C" uniqKey="Snow J" first="Jacqueline C" last="Snow">Jacqueline C. Snow</name><affiliation><nlm:affiliation>Department of Psychology, University of Nevada, Reno, Nevada 89557, and jacqueline.c.snow@gmail.com snow@unr.edu.</nlm:affiliation><wicri:noCountry code="subField">and jacqueline.c.snow@gmail.com</wicri:noCountry></affiliation></author><author><name sortKey="Goodale, Melvyn A" sort="Goodale, Melvyn A" uniqKey="Goodale M" first="Melvyn A" last="Goodale">Melvyn A. Goodale</name><affiliation wicri:level="1"><nlm:affiliation>The Brain and Mind Institute, The Natural Sciences Centre, Department of Psychology, University of Western Ontario, London, Ontario N6A5B7, Canada.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>The Brain and Mind Institute, The Natural Sciences Centre, Department of Psychology, University of Western Ontario, London, Ontario N6A5B7</wicri:regionArea></affiliation></author><author><name sortKey="Culham, Jody C" sort="Culham, Jody C" uniqKey="Culham J" first="Jody C" last="Culham">Jody C. Culham</name><affiliation wicri:level="1"><nlm:affiliation>The Brain and Mind Institute, The Natural Sciences Centre, Department of Psychology, University of Western Ontario, London, Ontario N6A5B7, Canada.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>The Brain and Mind Institute, The Natural Sciences Centre, Department of Psychology, University of Western Ontario, London, Ontario N6A5B7</wicri:regionArea></affiliation></author></analytic><series><title level="j">The Journal of neuroscience : the official journal of the Society for Neuroscience</title><idno type="eISSN">1529-2401</idno><imprint><date when="2015" type="published">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term><term>Brain Injuries (pathology)</term><term>Brain Injuries (physiopathology)</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>Middle Aged</term><term>Occipital Lobe (blood supply)</term><term>Occipital Lobe (pathology)</term><term>Oxygen (blood)</term><term>Pattern Recognition, Visual (physiology)</term><term>Psychophysics</term><term>Time Factors</term><term>Touch</term><term>Visual Perception (physiology)</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>Occipital Lobe</term></keywords><keywords scheme="MESH" qualifier="pathology" xml:lang="en"><term>Brain Injuries</term><term>Occipital Lobe</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Pattern Recognition, Visual</term><term>Visual Perception</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Brain Injuries</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</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>Middle Aged</term><term>Psychophysics</term><term>Time Factors</term><term>Touch</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The visual and haptic perceptual systems are understood to share a common neural representation of object shape. A region thought to be critical for recognizing visual and haptic shape information is the lateral occipital complex (LOC). We investigated whether LOC is essential for haptic shape recognition in humans by studying behavioral responses and brain activation for haptically explored objects in a patient (M.C.) with bilateral lesions of the occipitotemporal cortex, including LOC. Despite severe deficits in recognizing objects using vision, M.C. was able to accurately recognize objects via touch. M.C.'s psychophysical response profile to haptically explored shapes was also indistinguishable from controls. Using fMRI, M.C. showed no object-selective visual or haptic responses in LOC, but her pattern of haptic activation in other brain regions was remarkably similar to healthy controls. Although LOC is routinely active during visual and haptic shape recognition tasks, it is not essential for haptic recognition of object shape.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">26446226</PMID><DateCreated><Year>2015</Year><Month>10</Month><Day>08</Day></DateCreated><DateCompleted><Year>2016</Year><Month>01</Month><Day>13</Day></DateCompleted><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1529-2401</ISSN><JournalIssue CitedMedium="Internet"><Volume>35</Volume><Issue>40</Issue><PubDate><Year>2015</Year><Month>Oct</Month><Day>7</Day></PubDate></JournalIssue><Title>The Journal of neuroscience : the official journal of the Society for Neuroscience</Title><ISOAbbreviation>J. Neurosci.</ISOAbbreviation></Journal><ArticleTitle>Preserved Haptic Shape Processing after Bilateral LOC Lesions.</ArticleTitle><Pagination><MedlinePgn>13745-60</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1523/JNEUROSCI.0859-14.2015</ELocationID><Abstract><AbstractText Label="UNLABELLED">The visual and haptic perceptual systems are understood to share a common neural representation of object shape. A region thought to be critical for recognizing visual and haptic shape information is the lateral occipital complex (LOC). We investigated whether LOC is essential for haptic shape recognition in humans by studying behavioral responses and brain activation for haptically explored objects in a patient (M.C.) with bilateral lesions of the occipitotemporal cortex, including LOC. Despite severe deficits in recognizing objects using vision, M.C. was able to accurately recognize objects via touch. M.C.'s psychophysical response profile to haptically explored shapes was also indistinguishable from controls. Using fMRI, M.C. showed no object-selective visual or haptic responses in LOC, but her pattern of haptic activation in other brain regions was remarkably similar to healthy controls. Although LOC is routinely active during visual and haptic shape recognition tasks, it is not essential for haptic recognition of object shape.</AbstractText><AbstractText Label="SIGNIFICANCE STATEMENT" NlmCategory="UNASSIGNED">The lateral occipital complex (LOC) is a brain region regarded to be critical for recognizing object shape, both in vision and in touch. However, causal evidence linking LOC with haptic shape processing is lacking. We studied recognition performance, psychophysical sensitivity, and brain response to touched objects, in a patient (M.C.) with extensive lesions involving LOC bilaterally. Despite being severely impaired in visual shape recognition, M.C. was able to identify objects via touch and she showed normal sensitivity to a haptic shape illusion. M.C.'s brain response to touched objects in areas of undamaged cortex was also very similar to that observed in neurologically healthy controls. These results demonstrate that LOC is not necessary for recognizing objects via touch.</AbstractText><CopyrightInformation>Copyright © 2015 the authors 0270-6474/15/3513745-16$15.00/0.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Snow</LastName><ForeName>Jacqueline C</ForeName><Initials>JC</Initials><Identifier Source="ORCID">http://orcid.org/0000-0002-8284-8704</Identifier><AffiliationInfo><Affiliation>Department of Psychology, University of Nevada, Reno, Nevada 89557, and jacqueline.c.snow@gmail.com snow@unr.edu.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Goodale</LastName><ForeName>Melvyn A</ForeName><Initials>MA</Initials><Identifier Source="ORCID">http://orcid.org/0000-0001-6748-0561</Identifier><AffiliationInfo><Affiliation>The Brain and Mind Institute, The Natural Sciences Centre, Department of Psychology, University of Western Ontario, London, Ontario N6A5B7, Canada.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Culham</LastName><ForeName>Jody C</ForeName><Initials>JC</Initials><Identifier Source="ORCID">http://orcid.org/0000-0003-0754-2999</Identifier><AffiliationInfo><Affiliation>The Brain and Mind Institute, The Natural Sciences Centre, Department of Psychology, University of Western Ontario, London, Ontario N6A5B7, Canada.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><GrantList CompleteYN="Y"><Grant><Agency>Canadian Institutes of Health Research</Agency><Country>Canada</Country></Grant></GrantList><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>J Neurosci</MedlineTA><NlmUniqueID>8102140</NlmUniqueID><ISSNLinking>0270-6474</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>S88TT14065</RegistryNumber><NameOfSubstance UI="D010100">Oxygen</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName MajorTopicYN="N" UI="D000328">Adult</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D001930">Brain Injuries</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000473">pathology</QualifierName><QualifierName MajorTopicYN="Y" UI="Q000503">physiopathology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D005260">Female</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D007839">Functional Laterality</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D006801">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D007091">Image Processing, Computer-Assisted</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D008279">Magnetic Resonance Imaging</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D008297">Male</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D008875">Middle Aged</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D009778">Occipital Lobe</DescriptorName><QualifierName MajorTopicYN="N" UI="Q000098">blood supply</QualifierName><QualifierName MajorTopicYN="Y" UI="Q000473">pathology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D010100">Oxygen</DescriptorName><QualifierName MajorTopicYN="N" UI="Q000097">blood</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D010364">Pattern Recognition, Visual</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D011601">Psychophysics</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D013997">Time Factors</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D014110">Touch</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D014796">Visual Perception</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">haptic</Keyword><Keyword MajorTopicYN="N">lateral occipital complex</Keyword><Keyword MajorTopicYN="N">neuropsychological fMRI</Keyword><Keyword MajorTopicYN="N">shape perception</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2015</Year><Month>10</Month><Day>9</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate 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