Attention and reach-to-grasp movements in Parkinson's disease.
Identifieur interne : 001A86 ( Main/Exploration ); précédent : 001A85; suivant : 001A87Attention and reach-to-grasp movements in Parkinson's disease.
Auteurs : Cathy Lu [Canada] ; Aamir Bharmal ; Zelma H. Kiss ; Oksana Suchowersky ; Angela M. HaffendenSource :
- Experimental brain research [ 1432-1106 ] ; 2010.
English descriptors
- KwdEn :
- Aged, Analysis of Variance, Association Learning (physiology), Attention (physiology), Biomechanical Phenomena, Case-Control Studies, Cognition Disorders (etiology), Female, Hand Strength (physiology), Humans, Male, Memory, Short-Term (physiology), Middle Aged, Movement (physiology), Neuropsychological Tests, Parkinson Disease (complications), Psychomotor Performance (physiology), Reaction Time (physiology), Space Perception (physiology), Statistics as Topic.
- MESH :
- complications : Parkinson Disease.
- etiology : Cognition Disorders.
- physiology : Association Learning, Attention, Hand Strength, Memory, Short-Term, Movement, Psychomotor Performance, Reaction Time, Space Perception.
- Aged, Analysis of Variance, Biomechanical Phenomena, Case-Control Studies, Female, Humans, Male, Middle Aged, Neuropsychological Tests, Statistics as Topic.
Abstract
The role of attention in grasping movements directed at common objects has not been examined in Parkinson's disease (PD), though these movements are critical to activities of daily living. Our primary objective was to determine whether patients with PD demonstrate automaticity in grasping movements directed toward common objects. Automaticity is assumed when tasks can be performed with little or no interference from concurrent tasks. Grasping performance in three patient groups (newly diagnosed, moderate, and advanced/surgically treated PD) on and off of their medication or deep brain stimulation was compared to performance in an age-matched control group. Automaticity was demonstrated by the absence of a decrement in grasping performance when attention was consumed by a concurrent spatial-visualization task. Only the control group and newly diagnosed PD group demonstrated automaticity in their grasping movements. The moderate and advanced PD groups did not demonstrate automaticity. Furthermore, the well-known effects of pharmacotherapy and surgical intervention on movement speed and muscle activation patterns did not appear to reduce the impact of attention-demanding tasks on grasping movements in those with moderate to advanced PD. By the moderate stage of PD, grasping is an attention-demanding process; this change is not ameliorated by dopaminergic or surgical treatments. These findings have important implications for activities of daily living, as devoting attention to the simplest of daily tasks would interfere with complex activities and potentially exacerbate fatigue.
DOI: 10.1007/s00221-010-2341-0
PubMed: 20585762
Affiliations:
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Kiss</name></author><author><name sortKey="Suchowersky, Oksana" sort="Suchowersky, Oksana" uniqKey="Suchowersky O" first="Oksana" last="Suchowersky">Oksana Suchowersky</name></author><author><name sortKey="Haffenden, Angela M" sort="Haffenden, Angela M" uniqKey="Haffenden A" first="Angela M" last="Haffenden">Angela M. Haffenden</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2010">2010</date><idno type="RBID">pubmed:20585762</idno><idno type="pmid">20585762</idno><idno type="doi">10.1007/s00221-010-2341-0</idno><idno type="wicri:Area/PubMed/Corpus">000D19</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">000D19</idno><idno type="wicri:Area/PubMed/Curation">000D19</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Curation">000D19</idno><idno type="wicri:Area/PubMed/Checkpoint">000D19</idno><idno type="wicri:explorRef" wicri:stream="Checkpoint" wicri:step="PubMed">000D19</idno><idno type="wicri:Area/Ncbi/Merge">000C88</idno><idno type="wicri:Area/Ncbi/Curation">000C88</idno><idno type="wicri:Area/Ncbi/Checkpoint">000C88</idno><idno type="wicri:Area/Main/Merge">001B97</idno><idno type="wicri:Area/Main/Curation">001A86</idno><idno type="wicri:Area/Main/Exploration">001A86</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Attention and reach-to-grasp movements in Parkinson's disease.</title><author><name sortKey="Lu, Cathy" sort="Lu, Cathy" uniqKey="Lu C" first="Cathy" last="Lu">Cathy Lu</name><affiliation wicri:level="4"><nlm:affiliation>Department of Clinical Neurosciences, University of Calgary, Calgary, AB, Canada.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>Department of Clinical Neurosciences, University of Calgary, Calgary, AB</wicri:regionArea><orgName type="university">Université de Calgary</orgName><placeName><settlement type="city">Calgary</settlement><region type="state">Alberta</region></placeName></affiliation></author><author><name sortKey="Bharmal, Aamir" sort="Bharmal, Aamir" uniqKey="Bharmal A" first="Aamir" last="Bharmal">Aamir Bharmal</name></author><author><name sortKey="Kiss, Zelma H" sort="Kiss, Zelma H" uniqKey="Kiss Z" first="Zelma H" last="Kiss">Zelma H. Kiss</name></author><author><name sortKey="Suchowersky, Oksana" sort="Suchowersky, Oksana" uniqKey="Suchowersky O" first="Oksana" last="Suchowersky">Oksana Suchowersky</name></author><author><name sortKey="Haffenden, Angela M" sort="Haffenden, Angela M" uniqKey="Haffenden A" first="Angela M" last="Haffenden">Angela M. Haffenden</name></author></analytic><series><title level="j">Experimental brain research</title><idno type="eISSN">1432-1106</idno><imprint><date when="2010" type="published">2010</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aged</term><term>Analysis of Variance</term><term>Association Learning (physiology)</term><term>Attention (physiology)</term><term>Biomechanical Phenomena</term><term>Case-Control Studies</term><term>Cognition Disorders (etiology)</term><term>Female</term><term>Hand Strength (physiology)</term><term>Humans</term><term>Male</term><term>Memory, Short-Term (physiology)</term><term>Middle Aged</term><term>Movement (physiology)</term><term>Neuropsychological Tests</term><term>Parkinson Disease (complications)</term><term>Psychomotor Performance (physiology)</term><term>Reaction Time (physiology)</term><term>Space Perception (physiology)</term><term>Statistics as Topic</term></keywords><keywords scheme="MESH" qualifier="complications" xml:lang="en"><term>Parkinson Disease</term></keywords><keywords scheme="MESH" qualifier="etiology" xml:lang="en"><term>Cognition Disorders</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Association Learning</term><term>Attention</term><term>Hand Strength</term><term>Memory, Short-Term</term><term>Movement</term><term>Psychomotor Performance</term><term>Reaction Time</term><term>Space Perception</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Aged</term><term>Analysis of Variance</term><term>Biomechanical Phenomena</term><term>Case-Control Studies</term><term>Female</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Neuropsychological Tests</term><term>Statistics as Topic</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The role of attention in grasping movements directed at common objects has not been examined in Parkinson's disease (PD), though these movements are critical to activities of daily living. Our primary objective was to determine whether patients with PD demonstrate automaticity in grasping movements directed toward common objects. Automaticity is assumed when tasks can be performed with little or no interference from concurrent tasks. Grasping performance in three patient groups (newly diagnosed, moderate, and advanced/surgically treated PD) on and off of their medication or deep brain stimulation was compared to performance in an age-matched control group. Automaticity was demonstrated by the absence of a decrement in grasping performance when attention was consumed by a concurrent spatial-visualization task. Only the control group and newly diagnosed PD group demonstrated automaticity in their grasping movements. The moderate and advanced PD groups did not demonstrate automaticity. Furthermore, the well-known effects of pharmacotherapy and surgical intervention on movement speed and muscle activation patterns did not appear to reduce the impact of attention-demanding tasks on grasping movements in those with moderate to advanced PD. By the moderate stage of PD, grasping is an attention-demanding process; this change is not ameliorated by dopaminergic or surgical treatments. These findings have important implications for activities of daily living, as devoting attention to the simplest of daily tasks would interfere with complex activities and potentially exacerbate fatigue.</div></front></TEI><affiliations><list><country><li>Canada</li></country><region><li>Alberta</li></region><settlement><li>Calgary</li></settlement><orgName><li>Université de Calgary</li></orgName></list><tree><noCountry><name sortKey="Bharmal, Aamir" sort="Bharmal, Aamir" uniqKey="Bharmal A" first="Aamir" last="Bharmal">Aamir Bharmal</name><name sortKey="Haffenden, Angela M" sort="Haffenden, Angela M" uniqKey="Haffenden A" first="Angela M" last="Haffenden">Angela M. Haffenden</name><name sortKey="Kiss, Zelma H" sort="Kiss, Zelma H" uniqKey="Kiss Z" first="Zelma H" last="Kiss">Zelma H. Kiss</name><name sortKey="Suchowersky, Oksana" sort="Suchowersky, Oksana" uniqKey="Suchowersky O" first="Oksana" last="Suchowersky">Oksana Suchowersky</name></noCountry><country name="Canada"><region name="Alberta"><name sortKey="Lu, Cathy" sort="Lu, Cathy" uniqKey="Lu C" first="Cathy" last="Lu">Cathy Lu</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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