Control of repetitive lip and finger movements in parkinson's disease: Influence of external timing signals and simultaneous execution on motor performance
Identifieur interne : 005373 ( Main/Exploration ); précédent : 005372; suivant : 005374Control of repetitive lip and finger movements in parkinson's disease: Influence of external timing signals and simultaneous execution on motor performance
Auteurs : Konczak [Allemagne] ; Hermann Ackermann [Allemagne] ; Ingo Hertrich [Allemagne] ; Sybille Spieker [Allemagne] ; Johannes Dichgans [Allemagne]Source :
- Movement Disorders [ 0885-3185 ] ; 1997-09.
English descriptors
- KwdEn :
- Aged, Analysis of Variance, Basal ganglia, Bradykinesia, Case-Control Studies, Cross-Sectional Studies, Cues, Female, Fingers (physiology), Humans, Intervention Studies, Kinematics, Lip (physiology), Longitudinal Studies, Male, Middle Aged, Motor control, Oscillometry, Parkinson Disease (physiopathology), Parkinson's disease, Psychomotor Performance (physiology), Reaction Time (physiology), Time and Motion Studies.
- MESH :
- physiology : Fingers, Lip, Psychomotor Performance, Reaction Time.
- physiopathology : Parkinson Disease.
- Aged, Analysis of Variance, Case-Control Studies, Cross-Sectional Studies, Cues, Female, Humans, Intervention Studies, Longitudinal Studies, Male, Middle Aged, Oscillometry, Time and Motion Studies.
Abstract
This study addresses the question of whether external timing signals and/or simultaneous rhythmic movements of other limbs can alleviate sequencing motor deficits associated with Parkinson's disease (PD). Subjects performed rhythmic lip and finger movements simultaneously or in isolation. In addition, they had to self‐pace their movements or match them to an external signal. Our results are summarized as follows: (a) Seven of 12 patients had adequate mean repetition rates; that is, they fulfilled the task requirements on a global scale. The remaining five patients had various degrees of hastened responses and were not fully able to synchronize their movements to an external pacing signal. (b) PD patients exhibited hypometria in their finger tapping, but not in their lip movements. Their movements were not abnormally slowed, but peakvelocity was appropriately scaled, even to reduced movement amplitudes. (c) Mean repetition rates, stability of frequency response, and kinematics did not differ between conditions of external and internal stimulation within the PD group, but were different from the control group performance. (d) Kinematic measures were not improved during dual‐task execution. PD patients were not able to maintain a 1:1 rhythm between effectors. The incidence of hastening increased during simultaneous motor execution. We conclude that the use of external pacing signals might aid movement initiation of PD patients, but does not improve their temporal or spatial coordination when generating repetitive movements. Simultaneous execution does not necessarily enhance motor performance, but might actually have detrimental effects in patients prone to hastening.
Url:
DOI: 10.1002/mds.870120507
Affiliations:
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Le document en format XML
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sort="Ackermann, Hermann" uniqKey="Ackermann H" first="Hermann" last="Ackermann">Hermann Ackermann</name><affiliation wicri:level="3"><country xml:lang="fr">Allemagne</country><wicri:regionArea>Department of Neurology, University of Tübingen, Tübingen</wicri:regionArea><placeName><region type="land" nuts="1">Bade-Wurtemberg</region><region type="district" nuts="2">District de Tübingen</region><settlement type="city">Tübingen</settlement></placeName></affiliation></author><author><name sortKey="Hertrich, Ingo" sort="Hertrich, Ingo" uniqKey="Hertrich I" first="Ingo" last="Hertrich">Ingo Hertrich</name><affiliation wicri:level="3"><country xml:lang="fr">Allemagne</country><wicri:regionArea>Department of Neurology, University of Tübingen, Tübingen</wicri:regionArea><placeName><region type="land" nuts="1">Bade-Wurtemberg</region><region type="district" nuts="2">District de Tübingen</region><settlement type="city">Tübingen</settlement></placeName></affiliation></author><author><name sortKey="Spieker, Sybille" sort="Spieker, Sybille" uniqKey="Spieker S" first="Sybille" last="Spieker">Sybille Spieker</name><affiliation wicri:level="3"><country xml:lang="fr">Allemagne</country><wicri:regionArea>Department of Neurology, University of Tübingen, Tübingen</wicri:regionArea><placeName><region type="land" nuts="1">Bade-Wurtemberg</region><region type="district" nuts="2">District de Tübingen</region><settlement type="city">Tübingen</settlement></placeName></affiliation></author><author><name sortKey="Dichgans, Johannes" sort="Dichgans, Johannes" uniqKey="Dichgans J" first="Johannes" last="Dichgans">Johannes Dichgans</name><affiliation wicri:level="3"><country xml:lang="fr">Allemagne</country><wicri:regionArea>Department of Neurology, University of Tübingen, Tübingen</wicri:regionArea><placeName><region type="land" nuts="1">Bade-Wurtemberg</region><region type="district" nuts="2">District de Tübingen</region><settlement type="city">Tübingen</settlement></placeName></affiliation></author></analytic><monogr></monogr><series><title level="j">Movement Disorders</title><title level="j" type="sub">Official Journal of the Movement Disorder Society</title><title level="j" type="abbrev">Mov. 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>Hoboken</pubPlace><date type="published" when="1997-09">1997-09</date><biblScope unit="vol">12</biblScope><biblScope unit="issue">5</biblScope><biblScope unit="page" from="665">665</biblScope><biblScope unit="page" to="676">676</biblScope></imprint><idno type="ISSN">0885-3185</idno></series><idno type="istex">D4D5E13B688CDACC0C85D81E0F890C2FCC027C10</idno><idno type="DOI">10.1002/mds.870120507</idno><idno type="ArticleID">MDS870120507</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0885-3185</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aged</term><term>Analysis of Variance</term><term>Basal ganglia</term><term>Bradykinesia</term><term>Case-Control Studies</term><term>Cross-Sectional Studies</term><term>Cues</term><term>Female</term><term>Fingers (physiology)</term><term>Humans</term><term>Intervention Studies</term><term>Kinematics</term><term>Lip (physiology)</term><term>Longitudinal Studies</term><term>Male</term><term>Middle Aged</term><term>Motor control</term><term>Oscillometry</term><term>Parkinson Disease (physiopathology)</term><term>Parkinson's disease</term><term>Psychomotor Performance (physiology)</term><term>Reaction Time (physiology)</term><term>Time and Motion Studies</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Fingers</term><term>Lip</term><term>Psychomotor Performance</term><term>Reaction Time</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Parkinson Disease</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Aged</term><term>Analysis of Variance</term><term>Case-Control Studies</term><term>Cross-Sectional Studies</term><term>Cues</term><term>Female</term><term>Humans</term><term>Intervention Studies</term><term>Longitudinal Studies</term><term>Male</term><term>Middle Aged</term><term>Oscillometry</term><term>Time and Motion Studies</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This study addresses the question of whether external timing signals and/or simultaneous rhythmic movements of other limbs can alleviate sequencing motor deficits associated with Parkinson's disease (PD). Subjects performed rhythmic lip and finger movements simultaneously or in isolation. In addition, they had to self‐pace their movements or match them to an external signal. Our results are summarized as follows: (a) Seven of 12 patients had adequate mean repetition rates; that is, they fulfilled the task requirements on a global scale. The remaining five patients had various degrees of hastened responses and were not fully able to synchronize their movements to an external pacing signal. (b) PD patients exhibited hypometria in their finger tapping, but not in their lip movements. Their movements were not abnormally slowed, but peakvelocity was appropriately scaled, even to reduced movement amplitudes. (c) Mean repetition rates, stability of frequency response, and kinematics did not differ between conditions of external and internal stimulation within the PD group, but were different from the control group performance. (d) Kinematic measures were not improved during dual‐task execution. PD patients were not able to maintain a 1:1 rhythm between effectors. The incidence of hastening increased during simultaneous motor execution. We conclude that the use of external pacing signals might aid movement initiation of PD patients, but does not improve their temporal or spatial coordination when generating repetitive movements. Simultaneous execution does not necessarily enhance motor performance, but might actually have detrimental effects in patients prone to hastening.</div></front></TEI><affiliations><list><country><li>Allemagne</li></country><region><li>Bade-Wurtemberg</li><li>District de Tübingen</li></region><settlement><li>Tübingen</li></settlement></list><tree><country name="Allemagne"><region name="Bade-Wurtemberg"><name sortKey="Konczak" sort="Konczak" uniqKey="Konczak" last="Konczak">Konczak</name></region><name sortKey="Ackermann, Hermann" sort="Ackermann, Hermann" uniqKey="Ackermann H" first="Hermann" last="Ackermann">Hermann Ackermann</name><name sortKey="Dichgans, Johannes" sort="Dichgans, Johannes" uniqKey="Dichgans J" first="Johannes" last="Dichgans">Johannes Dichgans</name><name sortKey="Hertrich, Ingo" sort="Hertrich, Ingo" uniqKey="Hertrich I" first="Ingo" last="Hertrich">Ingo Hertrich</name><name sortKey="Spieker, Sybille" sort="Spieker, Sybille" uniqKey="Spieker S" first="Sybille" last="Spieker">Sybille Spieker</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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