Effect of an attentional strategy on movement‐related potentials recorded from subjects with Huntington's disease
Identifieur interne : 004485 ( Main/Exploration ); précédent : 004484; suivant : 004486Effect of an attentional strategy on movement‐related potentials recorded from subjects with Huntington's disease
Auteurs : Katherine A. Johnson [Australie] ; Ross Cunnington [Australie, Royaume-Uni] ; John L. Bradshaw [Australie] ; Edmond Chiu [Australie] ; Robert Iansek [Australie]Source :
- Movement Disorders [ 0885-3185 ] ; 2002-09.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Homme.
English descriptors
- KwdEn :
- Adult, Attention, Attention (physiology), Evoked Potentials, Motor (physiology), Experimental study, Exploration, Female, Human, Humans, Huntington Disease (complications), Huntington disease, Huntington's disease, Hypokinesia (diagnosis), Hypokinesia (etiology), Male, Middle Aged, Motion, Preparation, Reaction Time, Severity of Illness Index, Strategy, movement preparation, strategies.
- 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. © 2002 Movement Disorder Society
Url:
DOI: 10.1002/mds.10204
Affiliations:
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Le document en format XML
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Disord.</title><idno type="ISSN">0885-3185</idno><idno type="eISSN">1531-8257</idno><imprint><publisher>Wiley Subscription Services, Inc., A Wiley Company</publisher><pubPlace>New York</pubPlace><date type="published" when="2002-09">2002-09</date><biblScope unit="vol">17</biblScope><biblScope unit="issue">5</biblScope><biblScope unit="page" from="998">998</biblScope><biblScope unit="page" to="1003">1003</biblScope></imprint><idno type="ISSN">0885-3185</idno></series><idno type="istex">AA2A75A6FE516629BBB9799A75AF5305F3342986</idno><idno type="DOI">10.1002/mds.10204</idno><idno type="ArticleID">MDS10204</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0885-3185</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term><term>Attention</term><term>Attention (physiology)</term><term>Evoked Potentials, Motor (physiology)</term><term>Experimental study</term><term>Exploration</term><term>Female</term><term>Human</term><term>Humans</term><term>Huntington Disease (complications)</term><term>Huntington disease</term><term>Huntington's disease</term><term>Hypokinesia (diagnosis)</term><term>Hypokinesia (etiology)</term><term>Male</term><term>Middle Aged</term><term>Motion</term><term>Preparation</term><term>Reaction Time</term><term>Severity of Illness Index</term><term>Strategy</term><term>movement preparation</term><term>strategies</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><keywords scheme="Pascal" xml:lang="fr"><term>Attention</term><term>Chorée Huntington</term><term>Etude expérimentale</term><term>Exploration</term><term>Homme</term><term>Mouvement</term><term>Préparation</term><term>Stratégie</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Homme</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></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. © 2002 Movement Disorder Society</div></front></TEI><affiliations><list><country><li>Australie</li><li>Royaume-Uni</li></country><region><li>Angleterre</li><li>Nottinghamshire</li></region><settlement><li>Nottingham</li></settlement><orgName><li>Université de Nottingham</li></orgName></list><tree><country name="Australie"><noRegion><name sortKey="Johnson, Katherine A" sort="Johnson, Katherine A" uniqKey="Johnson K" first="Katherine A." last="Johnson">Katherine A. Johnson</name></noRegion><name sortKey="Bradshaw, John L" sort="Bradshaw, John L" uniqKey="Bradshaw J" first="John L." last="Bradshaw">John L. Bradshaw</name><name sortKey="Chiu, Edmond" sort="Chiu, Edmond" uniqKey="Chiu E" first="Edmond" last="Chiu">Edmond Chiu</name><name sortKey="Cunnington, Ross" sort="Cunnington, Ross" uniqKey="Cunnington R" first="Ross" last="Cunnington">Ross Cunnington</name><name sortKey="Iansek, Robert" sort="Iansek, Robert" uniqKey="Iansek R" first="Robert" last="Iansek">Robert Iansek</name><name sortKey="Johnson, Katherine A" sort="Johnson, Katherine A" uniqKey="Johnson K" first="Katherine A." last="Johnson">Katherine A. Johnson</name></country><country name="Royaume-Uni"><region name="Angleterre"><name sortKey="Cunnington, Ross" sort="Cunnington, Ross" uniqKey="Cunnington R" first="Ross" last="Cunnington">Ross Cunnington</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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