No dissociation between perception and action in patient DF when haptic feedback is withdrawn.
Identifieur interne : 000C73 ( PubMed/Corpus ); précédent : 000C72; suivant : 000C74No dissociation between perception and action in patient DF when haptic feedback is withdrawn.
Auteurs : Thomas SchenkSource :
- The Journal of neuroscience : the official journal of the Society for Neuroscience [ 1529-2401 ] ; 2012.
English descriptors
- KwdEn :
- Carbon Monoxide Poisoning (complications), Carbon Monoxide Poisoning (physiopathology), Carbon Monoxide Poisoning (psychology), Feedback, Sensory (physiology), Female, Hand Strength (physiology), Humans, Hypoxia, Brain (etiology), Hypoxia, Brain (physiopathology), Hypoxia, Brain (psychology), Male, Middle Aged, Photic Stimulation (methods), Psychomotor Performance (physiology), Size Perception (physiology).
- MESH :
- complications : Carbon Monoxide Poisoning.
- etiology : Hypoxia, Brain.
- methods : Photic Stimulation.
- physiology : Feedback, Sensory, Hand Strength, Psychomotor Performance, Size Perception.
- physiopathology : Carbon Monoxide Poisoning, Hypoxia, Brain.
- psychology : Carbon Monoxide Poisoning, Hypoxia, Brain.
- Female, Humans, Male, Middle Aged.
Abstract
Goodale et al. (1991) reported a striking dissociation between vision for perception and action. They examined DF, a human patient who had damage to her ventral visual stream and suffered from visual form agnosia. She was unable to perceive an object's size but could match the opening of her hand to the object's size during grasping. It was concluded that grasping relied on a separate representation of visual size in the dorsal stream and required no visual input from the ventral stream. This observation inspired the influential perception-action model, which claimed separate visual streams for perception and action. However, in grasping (but not in corresponding perceptual tasks), participants receive haptic feedback after each trial. Using this feedback, DF might compensate for her impaired size-vision. I reexamined DF's grasping behavior using a mirror apparatus to dissociate the image of an object from its physical presence. DF's grasping was only normal when she received haptic feedback. Thus, in grasping, DF can rely on haptic feedback to compensate for her deficit in size-perception. This can explain why her grasping is significantly better than her perceptual performance. The findings emphasize the extent of early interstream interactions and highlight the multimodal nature of sensory processing in the dorsal stream.
DOI: 10.1523/JNEUROSCI.3413-11.2012
PubMed: 22323715
Links to Exploration step
pubmed:22323715Le document en format XML
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(1991) reported a striking dissociation between vision for perception and action. They examined DF, a human patient who had damage to her ventral visual stream and suffered from visual form agnosia. She was unable to perceive an object's size but could match the opening of her hand to the object's size during grasping. It was concluded that grasping relied on a separate representation of visual size in the dorsal stream and required no visual input from the ventral stream. This observation inspired the influential perception-action model, which claimed separate visual streams for perception and action. However, in grasping (but not in corresponding perceptual tasks), participants receive haptic feedback after each trial. Using this feedback, DF might compensate for her impaired size-vision. I reexamined DF's grasping behavior using a mirror apparatus to dissociate the image of an object from its physical presence. DF's grasping was only normal when she received haptic feedback. Thus, in grasping, DF can rely on haptic feedback to compensate for her deficit in size-perception. This can explain why her grasping is significantly better than her perceptual performance. The findings emphasize the extent of early interstream interactions and highlight the multimodal nature of sensory processing in the dorsal stream.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">22323715</PMID><DateCreated><Year>2012</Year><Month>02</Month><Day>10</Day></DateCreated><DateCompleted><Year>2012</Year><Month>03</Month><Day>27</Day></DateCompleted><DateRevised><Year>2012</Year><Month>06</Month><Day>11</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1529-2401</ISSN><JournalIssue CitedMedium="Internet"><Volume>32</Volume><Issue>6</Issue><PubDate><Year>2012</Year><Month>Feb</Month><Day>8</Day></PubDate></JournalIssue><Title>The Journal of neuroscience : the official journal of the Society for Neuroscience</Title><ISOAbbreviation>J. Neurosci.</ISOAbbreviation></Journal><ArticleTitle>No dissociation between perception and action in patient DF when haptic feedback is withdrawn.</ArticleTitle><Pagination><MedlinePgn>2013-7</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1523/JNEUROSCI.3413-11.2012</ELocationID><Abstract><AbstractText>Goodale et al. (1991) reported a striking dissociation between vision for perception and action. They examined DF, a human patient who had damage to her ventral visual stream and suffered from visual form agnosia. She was unable to perceive an object's size but could match the opening of her hand to the object's size during grasping. It was concluded that grasping relied on a separate representation of visual size in the dorsal stream and required no visual input from the ventral stream. This observation inspired the influential perception-action model, which claimed separate visual streams for perception and action. However, in grasping (but not in corresponding perceptual tasks), participants receive haptic feedback after each trial. Using this feedback, DF might compensate for her impaired size-vision. I reexamined DF's grasping behavior using a mirror apparatus to dissociate the image of an object from its physical presence. DF's grasping was only normal when she received haptic feedback. Thus, in grasping, DF can rely on haptic feedback to compensate for her deficit in size-perception. This can explain why her grasping is significantly better than her perceptual performance. The findings emphasize the extent of early interstream interactions and highlight the multimodal nature of sensory processing in the dorsal stream.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Schenk</LastName><ForeName>Thomas</ForeName><Initials>T</Initials><AffiliationInfo><Affiliation>Department of Neurology, University of Erlangen-Nuremberg, Germany. thomas.schenk@uk-erlangen.de</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D002363">Case Reports</PublicationType><PublicationType UI="D003160">Comparative Study</PublicationType><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>J Neurosci</MedlineTA><NlmUniqueID>8102140</NlmUniqueID><ISSNLinking>0270-6474</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><CommentsCorrectionsList><CommentsCorrections RefType="CommentIn"><RefSource>Trends Cogn Sci. 2012 May;16(5):256-7; discussion 258-9</RefSource><PMID Version="1">22425666</PMID></CommentsCorrections></CommentsCorrectionsList><MeshHeadingList><MeshHeading><DescriptorName MajorTopicYN="N" UI="D002249">Carbon Monoxide Poisoning</DescriptorName><QualifierName MajorTopicYN="N" UI="Q000150">complications</QualifierName><QualifierName MajorTopicYN="N" UI="Q000503">physiopathology</QualifierName><QualifierName MajorTopicYN="N" UI="Q000523">psychology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D056228">Feedback, Sensory</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D005260">Female</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D018737">Hand Strength</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D006801">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D002534">Hypoxia, Brain</DescriptorName><QualifierName MajorTopicYN="N" UI="Q000209">etiology</QualifierName><QualifierName MajorTopicYN="Y" UI="Q000503">physiopathology</QualifierName><QualifierName MajorTopicYN="N" UI="Q000523">psychology</QualifierName></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="D010775">Photic Stimulation</DescriptorName><QualifierName MajorTopicYN="N" UI="Q000379">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D011597">Psychomotor Performance</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D012858">Size Perception</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2012</Year><Month>2</Month><Day>11</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2012</Year><Month>2</Month><Day>11</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2012</Year><Month>3</Month><Day>28</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pii">32/6/2013</ArticleId><ArticleId IdType="doi">10.1523/JNEUROSCI.3413-11.2012</ArticleId><ArticleId IdType="pubmed">22323715</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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