Postoperative haptic training facilitates the retrieval of visual-based memories after visual cortex lesions in rats.
Identifieur interne : 001C08 ( PubMed/Corpus ); précédent : 001C07; suivant : 001C09Postoperative haptic training facilitates the retrieval of visual-based memories after visual cortex lesions in rats.
Auteurs : M Claire Cartford ; Annette J. Beaver ; Katrina A. Wagner ; Eugene R. DelaySource :
- Physiology & behavior [ 0031-9384 ] ; 2003.
English descriptors
- KwdEn :
- MESH :
- injuries : Visual Cortex.
- physiology : Conditioning, Operant, Functional Laterality, Maze Learning, Memory, Visual Cortex, Visual Perception.
- Animals, Cues, Darkness, Light, Male, Rats, Rats, Sprague-Dawley.
Abstract
Two experiments examined the effects of postoperative haptic discrimination training on the relearning of a maze visual discrimination in rats with visual cortex lesions. In the first experiment, rats learned a visual intensity discrimination prior to ablation of the lateral Oc2L cortex. Lesion rats were exposed to either a rough/smooth haptic discrimination training condition, a random training condition, or a no-training condition prior to relearning the visual task. Lesion rats relearned the visual task faster after haptic training than after other postoperative experiences. The second experiment replicated these procedures but with rats in which most of the visual cortex was removed. The lesion-induced relearning deficits in the second experiment were similar to the deficits seen for the smaller Oc2L lesions in the first experiment, supporting the hypothesis that the lateral visual cortex is critical for intensity discrimination. Haptic training also reduced these deficits, but the magnitude of this effect was related to the characteristics of the haptic cue. Postoperative training with haptic cues can produce specific and nonspecific information transfer from the intact somatosensory system to the damaged visual system that can facilitate the visual relearning. Possible implications for neuropsychological rehabilitation are also discussed.
PubMed: 12782214
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Delay</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2003">2003</date><idno type="RBID">pubmed:12782214</idno><idno type="pmid">12782214</idno><idno type="wicri:Area/PubMed/Corpus">001C08</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Postoperative haptic training facilitates the retrieval of visual-based memories after visual cortex lesions in rats.</title><author><name sortKey="Cartford, M Claire" sort="Cartford, M Claire" uniqKey="Cartford M" first="M Claire" last="Cartford">M Claire Cartford</name><affiliation><nlm:affiliation>Department of Psychology, Regis University, 3333 Regis Boulevard, Denver, CO 80221, USA.</nlm:affiliation></affiliation></author><author><name sortKey="Beaver, Annette J" sort="Beaver, Annette J" uniqKey="Beaver A" first="Annette J" last="Beaver">Annette J. Beaver</name></author><author><name sortKey="Wagner, Katrina A" sort="Wagner, Katrina A" uniqKey="Wagner K" first="Katrina A" last="Wagner">Katrina A. Wagner</name></author><author><name sortKey="Delay, Eugene R" sort="Delay, Eugene R" uniqKey="Delay E" first="Eugene R" last="Delay">Eugene R. 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In the first experiment, rats learned a visual intensity discrimination prior to ablation of the lateral Oc2L cortex. Lesion rats were exposed to either a rough/smooth haptic discrimination training condition, a random training condition, or a no-training condition prior to relearning the visual task. Lesion rats relearned the visual task faster after haptic training than after other postoperative experiences. The second experiment replicated these procedures but with rats in which most of the visual cortex was removed. The lesion-induced relearning deficits in the second experiment were similar to the deficits seen for the smaller Oc2L lesions in the first experiment, supporting the hypothesis that the lateral visual cortex is critical for intensity discrimination. Haptic training also reduced these deficits, but the magnitude of this effect was related to the characteristics of the haptic cue. Postoperative training with haptic cues can produce specific and nonspecific information transfer from the intact somatosensory system to the damaged visual system that can facilitate the visual relearning. Possible implications for neuropsychological rehabilitation are also discussed.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">12782214</PMID><DateCreated><Year>2003</Year><Month>06</Month><Day>03</Day></DateCreated><DateCompleted><Year>2004</Year><Month>01</Month><Day>16</Day></DateCompleted><DateRevised><Year>2006</Year><Month>11</Month><Day>15</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0031-9384</ISSN><JournalIssue CitedMedium="Print"><Volume>78</Volume><Issue>4-5</Issue><PubDate><Year>2003</Year><Month>Apr</Month></PubDate></JournalIssue><Title>Physiology & behavior</Title><ISOAbbreviation>Physiol. Behav.</ISOAbbreviation></Journal><ArticleTitle>Postoperative haptic training facilitates the retrieval of visual-based memories after visual cortex lesions in rats.</ArticleTitle><Pagination><MedlinePgn>601-9</MedlinePgn></Pagination><Abstract><AbstractText>Two experiments examined the effects of postoperative haptic discrimination training on the relearning of a maze visual discrimination in rats with visual cortex lesions. In the first experiment, rats learned a visual intensity discrimination prior to ablation of the lateral Oc2L cortex. Lesion rats were exposed to either a rough/smooth haptic discrimination training condition, a random training condition, or a no-training condition prior to relearning the visual task. Lesion rats relearned the visual task faster after haptic training than after other postoperative experiences. The second experiment replicated these procedures but with rats in which most of the visual cortex was removed. The lesion-induced relearning deficits in the second experiment were similar to the deficits seen for the smaller Oc2L lesions in the first experiment, supporting the hypothesis that the lateral visual cortex is critical for intensity discrimination. Haptic training also reduced these deficits, but the magnitude of this effect was related to the characteristics of the haptic cue. Postoperative training with haptic cues can produce specific and nonspecific information transfer from the intact somatosensory system to the damaged visual system that can facilitate the visual relearning. Possible implications for neuropsychological rehabilitation are also discussed.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Cartford</LastName><ForeName>M Claire</ForeName><Initials>MC</Initials><AffiliationInfo><Affiliation>Department of Psychology, Regis University, 3333 Regis Boulevard, Denver, CO 80221, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Beaver</LastName><ForeName>Annette J</ForeName><Initials>AJ</Initials></Author><Author ValidYN="Y"><LastName>Wagner</LastName><ForeName>Katrina A</ForeName><Initials>KA</Initials></Author><Author ValidYN="Y"><LastName>Delay</LastName><ForeName>Eugene R</ForeName><Initials>ER</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Physiol Behav</MedlineTA><NlmUniqueID>0151504</NlmUniqueID><ISSNLinking>0031-9384</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName MajorTopicYN="N" UI="D000818">Animals</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D003216">Conditioning, Operant</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D003463">Cues</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D003624">Darkness</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D007839">Functional Laterality</DescriptorName><QualifierName MajorTopicYN="N" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D008027">Light</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D008297">Male</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D018782">Maze Learning</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D008568">Memory</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D051381">Rats</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D017207">Rats, Sprague-Dawley</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D014793">Visual Cortex</DescriptorName><QualifierName MajorTopicYN="N" UI="Q000293">injuries</QualifierName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D014796">Visual Perception</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2003</Year><Month>6</Month><Day>5</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2004</Year><Month>1</Month><Day>17</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2003</Year><Month>6</Month><Day>5</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">12782214</ArticleId><ArticleId IdType="pii">S0031938403000453</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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