Effect of an attentional strategy on movement-related potentials recorded from subjects with Huntington's disease.
Identifieur interne : 000899 ( Ncbi/Curation ); précédent : 000898; suivant : 000900Effect of an attentional strategy on movement-related potentials recorded from subjects with Huntington's disease.
Auteurs : Katherine A. Johnson [Australie] ; Ross Cunnington ; John L. Bradshaw ; Edmond Chiu ; Robert IansekSource :
- Movement disorders : official journal of the Movement Disorder Society [ 0885-3185 ] ; 2002.
English descriptors
- KwdEn :
- MESH :
- complications : Huntington Disease.
- diagnosis : Hypokinesia.
- etiology : Hypokinesia.
- physiology : Attention, Evoked Potentials, Motor.
- Adult, Female, Humans, Male, Middle Aged, Reaction Time, Severity of Illness Index.
Abstract
Huntington's disease patients perform automatic movements in a bradykinetic manner, somewhat similar to patients with Parkinson's disease. Cortical activity relating to the preparation of movement in Parkinson's disease is significantly improved when a cognitive strategy is used. It is unknown whether patients with Huntington's disease can utilise an attentional strategy, and what effect this strategy would have on the premovement cortical activity. Movement-related potentials were recorded from 12 Huntington's disease patients and controls performing externally cued finger tapping movement, allowing an examination of cortical activity related to movement performance and bradykinesia in this disease. All subjects were tested in two conditions, which differed only by the presence or absence of the cognitive strategy. The Huntington's disease group, unlike controls, did not produce a rising premovement potential in the absence of the strategy. The Huntington's disease group did produce a rising premovement potential for the strategy condition, but the early slope of the potential was significantly reduced compared with the control group's early slope. These results are similar to those found previously with Parkinson's disease patients. The strategy may have put the task, which previously might have been under deficient automatic control, under attentional control.
DOI: 10.1002/mds.10204
PubMed: 12360549
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Johnson</name><affiliation wicri:level="1"><nlm:affiliation>Neuropsychology Research Unit, Department of Psychology, Monash University, Victoria, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Neuropsychology Research Unit, Department of Psychology, Monash University, Victoria</wicri:regionArea><wicri:noRegion>Victoria</wicri:noRegion></affiliation></author><author><name sortKey="Cunnington, Ross" sort="Cunnington, Ross" uniqKey="Cunnington R" first="Ross" last="Cunnington">Ross Cunnington</name></author><author><name sortKey="Bradshaw, John L" sort="Bradshaw, John L" uniqKey="Bradshaw J" first="John L" last="Bradshaw">John L. Bradshaw</name></author><author><name sortKey="Chiu, Edmond" sort="Chiu, Edmond" uniqKey="Chiu E" first="Edmond" last="Chiu">Edmond Chiu</name></author><author><name sortKey="Iansek, Robert" sort="Iansek, Robert" uniqKey="Iansek R" first="Robert" last="Iansek">Robert Iansek</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2002">2002</date><idno type="RBID">pubmed:12360549</idno><idno type="pmid">12360549</idno><idno type="doi">10.1002/mds.10204</idno><idno type="wicri:Area/PubMed/Corpus">003952</idno><idno type="wicri:Area/PubMed/Curation">003952</idno><idno type="wicri:Area/PubMed/Checkpoint">003B11</idno><idno type="wicri:Area/Ncbi/Merge">000899</idno><idno type="wicri:Area/Ncbi/Curation">000899</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Effect of an attentional strategy on movement-related potentials recorded from subjects with Huntington's disease.</title><author><name sortKey="Johnson, Katherine A" sort="Johnson, Katherine A" uniqKey="Johnson K" first="Katherine A" last="Johnson">Katherine A. Johnson</name><affiliation wicri:level="1"><nlm:affiliation>Neuropsychology Research Unit, Department of Psychology, Monash University, Victoria, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Neuropsychology Research Unit, Department of Psychology, Monash University, Victoria</wicri:regionArea><wicri:noRegion>Victoria</wicri:noRegion></affiliation></author><author><name sortKey="Cunnington, Ross" sort="Cunnington, Ross" uniqKey="Cunnington R" first="Ross" last="Cunnington">Ross Cunnington</name></author><author><name sortKey="Bradshaw, John L" sort="Bradshaw, John L" uniqKey="Bradshaw J" first="John L" last="Bradshaw">John L. Bradshaw</name></author><author><name sortKey="Chiu, Edmond" sort="Chiu, Edmond" uniqKey="Chiu E" first="Edmond" last="Chiu">Edmond Chiu</name></author><author><name sortKey="Iansek, Robert" sort="Iansek, Robert" uniqKey="Iansek R" first="Robert" last="Iansek">Robert Iansek</name></author></analytic><series><title level="j">Movement disorders : official journal of the Movement Disorder Society</title><idno type="ISSN">0885-3185</idno><imprint><date when="2002" type="published">2002</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term><term>Attention (physiology)</term><term>Evoked Potentials, Motor (physiology)</term><term>Female</term><term>Humans</term><term>Huntington Disease (complications)</term><term>Hypokinesia (diagnosis)</term><term>Hypokinesia (etiology)</term><term>Male</term><term>Middle Aged</term><term>Reaction Time</term><term>Severity of Illness Index</term></keywords><keywords scheme="MESH" qualifier="complications" xml:lang="en"><term>Huntington Disease</term></keywords><keywords scheme="MESH" qualifier="diagnosis" xml:lang="en"><term>Hypokinesia</term></keywords><keywords scheme="MESH" qualifier="etiology" xml:lang="en"><term>Hypokinesia</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Attention</term><term>Evoked Potentials, Motor</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Female</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Reaction Time</term><term>Severity of Illness Index</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Huntington's disease patients perform automatic movements in a bradykinetic manner, somewhat similar to patients with Parkinson's disease. Cortical activity relating to the preparation of movement in Parkinson's disease is significantly improved when a cognitive strategy is used. It is unknown whether patients with Huntington's disease can utilise an attentional strategy, and what effect this strategy would have on the premovement cortical activity. Movement-related potentials were recorded from 12 Huntington's disease patients and controls performing externally cued finger tapping movement, allowing an examination of cortical activity related to movement performance and bradykinesia in this disease. All subjects were tested in two conditions, which differed only by the presence or absence of the cognitive strategy. The Huntington's disease group, unlike controls, did not produce a rising premovement potential in the absence of the strategy. The Huntington's disease group did produce a rising premovement potential for the strategy condition, but the early slope of the potential was significantly reduced compared with the control group's early slope. These results are similar to those found previously with Parkinson's disease patients. The strategy may have put the task, which previously might have been under deficient automatic control, under attentional control.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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