Functional imaging of working memory in Parkinson's disease: compensations and deficits.
Identifieur interne : 000D51 ( PubMed/Corpus ); précédent : 000D50; suivant : 000D52Functional imaging of working memory in Parkinson's disease: compensations and deficits.
Auteurs : Rose-Marie Marié ; Catherine Lozza ; Chantal Chavoix ; Gilles Louis Defer ; Jean-Claude BaronSource :
- Journal of neuroimaging : official journal of the American Society of Neuroimaging [ 1051-2284 ] ; 2007.
English descriptors
- KwdEn :
- Adult, Aged, Case-Control Studies, Cerebrovascular Circulation, Female, Humans, Image Interpretation, Computer-Assisted, Male, Memory Disorders (diagnostic imaging), Memory Disorders (physiopathology), Middle Aged, Parkinson Disease (diagnostic imaging), Parkinson Disease (physiopathology), Statistics, Nonparametric, Tomography, Emission-Computed (methods).
- MESH :
- diagnostic imaging : Memory Disorders, Parkinson Disease.
- methods : Tomography, Emission-Computed.
- physiopathology : Memory Disorders, Parkinson Disease.
- Adult, Aged, Case-Control Studies, Cerebrovascular Circulation, Female, Humans, Image Interpretation, Computer-Assisted, Male, Middle Aged, Statistics, Nonparametric.
Abstract
Over and above typical motor alterations, executive and working memory (WM) impairment can also occur in early idiopathic Parkinson's disease (PD). We aimed to investigate the compensatory neural processes involved in WM performance, as well as the networks involved in the long-term memory transfer from short-term stores in PD.
DOI: 10.1111/j.1552-6569.2007.00152.x
PubMed: 17894613
Links to Exploration step
pubmed:17894613Le document en format XML
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We aimed to investigate the compensatory neural processes involved in WM performance, as well as the networks involved in the long-term memory transfer from short-term stores in PD.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">17894613</PMID><DateCreated><Year>2007</Year><Month>09</Month><Day>26</Day></DateCreated><DateCompleted><Year>2007</Year><Month>11</Month><Day>20</Day></DateCompleted><DateRevised><Year>2016</Year><Month>11</Month><Day>24</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">1051-2284</ISSN><JournalIssue CitedMedium="Print"><Volume>17</Volume><Issue>4</Issue><PubDate><Year>2007</Year><Month>Oct</Month></PubDate></JournalIssue><Title>Journal of neuroimaging : official journal of the American Society of Neuroimaging</Title><ISOAbbreviation>J Neuroimaging</ISOAbbreviation></Journal><ArticleTitle>Functional imaging of working memory in Parkinson's disease: compensations and deficits.</ArticleTitle><Pagination><MedlinePgn>277-85</MedlinePgn></Pagination><Abstract><AbstractText Label="BACKGROUND AND PURPOSE" NlmCategory="OBJECTIVE">Over and above typical motor alterations, executive and working memory (WM) impairment can also occur in early idiopathic Parkinson's disease (PD). We aimed to investigate the compensatory neural processes involved in WM performance, as well as the networks involved in the long-term memory transfer from short-term stores in PD.</AbstractText><AbstractText Label="METHODS" NlmCategory="METHODS">Relative cerebral blood flow (rCBF) was mapped with H2O(15)-PET in eight treated nondemented PD patients while performing a WM verbal double-task (Brown-Peterson paradigm) using both short (6-second) and long (18-second) delays.</AbstractText><AbstractText Label="RESULTS" NlmCategory="RESULTS">As compared to nine age-matched healthy subjects, performance of the PD group was only slightly reduced on the short-delay but markedly impaired on the long-delay task. Underlying the relatively preserved short-delay performance, the PD group exhibited overactivation of prefrontal and parietal areas involved in attention-demanding processes, suggestive of efficient compensatory processes. Further supporting this, significant positive correlations were found between short-delay performance and rCBF in the bilateral inferior parietal cortex. In contrast, the lack of overactivation with the long-delay task together with posterior cingulate hypoactivation would support the idea of functional disconnection impairing transfer of information from prefrontal onto (para)limbic areas. These findings suggest novel areas of investigation into early cognitive impairments in PD.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Marié</LastName><ForeName>Rose-Marie</ForeName><Initials>RM</Initials><AffiliationInfo><Affiliation>University of Caen, University Team Executive and Attentional Processes and UPRES-EA 3917, Caen, France.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Lozza</LastName><ForeName>Catherine</ForeName><Initials>C</Initials></Author><Author ValidYN="Y"><LastName>Chavoix</LastName><ForeName>Chantal</ForeName><Initials>C</Initials></Author><Author ValidYN="Y"><LastName>Defer</LastName><ForeName>Gilles Louis</ForeName><Initials>GL</Initials></Author><Author ValidYN="Y"><LastName>Baron</LastName><ForeName>Jean-Claude</ForeName><Initials>JC</Initials></Author></AuthorList><Language>eng</Language><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 Neuroimaging</MedlineTA><NlmUniqueID>9102705</NlmUniqueID><ISSNLinking>1051-2284</ISSNLinking></MedlineJournalInfo><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="D016022" MajorTopicYN="N">Case-Control Studies</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002560" MajorTopicYN="N">Cerebrovascular Circulation</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005260" MajorTopicYN="N">Female</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D007090" MajorTopicYN="N">Image Interpretation, Computer-Assisted</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008297" MajorTopicYN="N">Male</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008569" MajorTopicYN="N">Memory Disorders</DescriptorName><QualifierName UI="Q000000981" MajorTopicYN="Y">diagnostic imaging</QualifierName><QualifierName UI="Q000503" MajorTopicYN="Y">physiopathology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008875" MajorTopicYN="N">Middle Aged</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010300" MajorTopicYN="N">Parkinson Disease</DescriptorName><QualifierName UI="Q000000981" MajorTopicYN="Y">diagnostic imaging</QualifierName><QualifierName UI="Q000503" MajorTopicYN="Y">physiopathology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018709" MajorTopicYN="N">Statistics, Nonparametric</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014055" MajorTopicYN="N">Tomography, Emission-Computed</DescriptorName><QualifierName UI="Q000379" MajorTopicYN="Y">methods</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2007</Year><Month>9</Month><Day>27</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2007</Year><Month>12</Month><Day>6</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2007</Year><Month>9</Month><Day>27</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">17894613</ArticleId><ArticleId IdType="pii">JON152</ArticleId><ArticleId IdType="doi">10.1111/j.1552-6569.2007.00152.x</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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