Spatiotemporal contrast sensitivity differs in normal aging and Parkinson's disease.
Identifieur interne : 000E55 ( Ncbi/Merge ); précédent : 000E54; suivant : 000E56Spatiotemporal contrast sensitivity differs in normal aging and Parkinson's disease.
Auteurs : D. Mestre [France] ; O. Blin ; G. Serratrice ; J. PailhousSource :
- Neurology [ 0028-3878 ] ; 1990.
English descriptors
- KwdEn :
- MESH :
- chemical , deficiency : Dopamine.
- metabolism : Parkinson Disease.
- psychology : Aging, Parkinson Disease.
- Adult, Aged, Contrast Sensitivity, Female, Humans, Male, Middle Aged, Motion Perception, Space Perception, Time Perception.
Abstract
We measured contrast sensitivity for static and laterally drifting vertical gratings in 12 young adults, 7 normal elderly adults, and 8 patients with Parkinson's disease (PD). We compared static and motion contrast sensitivity for spatial frequencies of 0.25, 1, and 4 cycles per degree (cpd), and temporal frequencies of 1, 3, and 9 Hz. Results show that normal aging leads to a reduction of motion sensitivity for the spatial frequency of 0.25 cpd. Compared with elderly controls, PD patients do not present specific abnormalities in this domain. However, for spatial frequencies of 1 and 4 cpd and temporal frequencies of 1 and 3 Hz, motion sensitivity is worse than static sensitivity in PD patients and not in elderly controls. These findings suggest a specific deficit of motion perception in PD, and possible dopaminergic involvement in the control of visuospatial behavior.
PubMed: 2234426
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We compared static and motion contrast sensitivity for spatial frequencies of 0.25, 1, and 4 cycles per degree (cpd), and temporal frequencies of 1, 3, and 9 Hz. Results show that normal aging leads to a reduction of motion sensitivity for the spatial frequency of 0.25 cpd. Compared with elderly controls, PD patients do not present specific abnormalities in this domain. However, for spatial frequencies of 1 and 4 cpd and temporal frequencies of 1 and 3 Hz, motion sensitivity is worse than static sensitivity in PD patients and not in elderly controls. These findings suggest a specific deficit of motion perception in PD, and possible dopaminergic involvement in the control of visuospatial behavior.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">2234426</PMID><DateCreated><Year>1990</Year><Month>12</Month><Day>10</Day></DateCreated><DateCompleted><Year>1990</Year><Month>12</Month><Day>10</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0028-3878</ISSN><JournalIssue CitedMedium="Print"><Volume>40</Volume><Issue>11</Issue><PubDate><Year>1990</Year><Month>Nov</Month></PubDate></JournalIssue><Title>Neurology</Title><ISOAbbreviation>Neurology</ISOAbbreviation></Journal><ArticleTitle>Spatiotemporal contrast sensitivity differs in normal aging and Parkinson's disease.</ArticleTitle><Pagination><MedlinePgn>1710-4</MedlinePgn></Pagination><Abstract><AbstractText>We measured contrast sensitivity for static and laterally drifting vertical gratings in 12 young adults, 7 normal elderly adults, and 8 patients with Parkinson's disease (PD). We compared static and motion contrast sensitivity for spatial frequencies of 0.25, 1, and 4 cycles per degree (cpd), and temporal frequencies of 1, 3, and 9 Hz. Results show that normal aging leads to a reduction of motion sensitivity for the spatial frequency of 0.25 cpd. Compared with elderly controls, PD patients do not present specific abnormalities in this domain. However, for spatial frequencies of 1 and 4 cpd and temporal frequencies of 1 and 3 Hz, motion sensitivity is worse than static sensitivity in PD patients and not in elderly controls. These findings suggest a specific deficit of motion perception in PD, and possible dopaminergic involvement in the control of visuospatial behavior.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Mestre</LastName><ForeName>D</ForeName><Initials>D</Initials><AffiliationInfo><Affiliation>Laboratory Cognition & Movement, University Aix-Marseille II, France.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Blin</LastName><ForeName>O</ForeName><Initials>O</Initials></Author><Author ValidYN="Y"><LastName>Serratrice</LastName><ForeName>G</ForeName><Initials>G</Initials></Author><Author ValidYN="Y"><LastName>Pailhous</LastName><ForeName>J</ForeName><Initials>J</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D003160">Comparative Study</PublicationType><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>Neurology</MedlineTA><NlmUniqueID>0401060</NlmUniqueID><ISSNLinking>0028-3878</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>VTD58H1Z2X</RegistryNumber><NameOfSubstance UI="D004298">Dopamine</NameOfSubstance></Chemical></ChemicalList><CitationSubset>AIM</CitationSubset><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000328" MajorTopicYN="N">Adult</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D000368" MajorTopicYN="N">Aged</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D000375" MajorTopicYN="N">Aging</DescriptorName><QualifierName UI="Q000523" MajorTopicYN="Y">psychology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D015350" MajorTopicYN="Y">Contrast Sensitivity</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D004298" MajorTopicYN="N">Dopamine</DescriptorName><QualifierName UI="Q000172" MajorTopicYN="N">deficiency</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005260" MajorTopicYN="N">Female</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008297" MajorTopicYN="N">Male</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008875" MajorTopicYN="N">Middle Aged</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009039" MajorTopicYN="N">Motion Perception</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010300" MajorTopicYN="N">Parkinson Disease</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName><QualifierName UI="Q000523" MajorTopicYN="Y">psychology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013028" MajorTopicYN="Y">Space Perception</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013998" MajorTopicYN="Y">Time Perception</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>1990</Year><Month>11</Month><Day>1</Day></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>1990</Year><Month>11</Month><Day>1</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>1990</Year><Month>11</Month><Day>1</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">2234426</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>France</li></country></list><tree><noCountry><name sortKey="Blin, O" sort="Blin, O" uniqKey="Blin O" first="O" last="Blin">O. Blin</name><name sortKey="Pailhous, J" sort="Pailhous, J" uniqKey="Pailhous J" first="J" last="Pailhous">J. Pailhous</name><name sortKey="Serratrice, G" sort="Serratrice, G" uniqKey="Serratrice G" first="G" last="Serratrice">G. Serratrice</name></noCountry><country name="France"><noRegion><name sortKey="Mestre, D" sort="Mestre, D" uniqKey="Mestre D" first="D" last="Mestre">D. Mestre</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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