Simple and complex movements in a patient with infarction of the right supplementary motor area
Identifieur interne : 006670 ( Main/Exploration ); précédent : 006669; suivant : 006671Simple and complex movements in a patient with infarction of the right supplementary motor area
Auteurs : J. P. R. Dick [Royaume-Uni] ; R. Benecke [Royaume-Uni] ; J. C. Rothwell [Royaume-Uni] ; B. L. Day [Royaume-Uni] ; Marsden [Royaume-Uni]Source :
- Movement Disorders [ 0885-3185 ] ; 1986.
English descriptors
- KwdEn :
- MESH :
- innervation : Arm.
- physiology : Functional Laterality.
- physiopathology : Cerebral Infarction, Frontal Lobe.
- Aged, Electromyography, Humans, Male, Movement, Reflex, Stretch.
Abstract
The role played by the supplementary motor area (SMA) in the higher‐level organization of motor behaviour (motor programming) has been highlighted by the study of cerebral blood flow during voluntary movements in normal humans. We present a detailed physiological investigation from a patient with a right SMA lesion and show that the right SMA plays a role in programming simultaneous and sequential movements in both arms, though the contralateral arm was the more severely impaired. In addition, we obtained evidence to suggest that the precentral motor cortex may be more responsive to peripheral perturbations when the modulating influence of the SMA is absent. In view of the similarity of the physiological findings in this subject to those in patients with Parkinson's disease, we suggest that the defect of motor programming in Parkinson's disease is likely to reflect functional deafferentation of the SMA.
Url:
DOI: 10.1002/mds.870010405
Affiliations:
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P. R." last="Dick">J. P. R. Dick</name><affiliation wicri:level="2"><country>Royaume-Uni</country><placeName><region type="country">Angleterre</region></placeName><wicri:cityArea>MRC Movement Disorders Research Group, University Department of Neurology, and Parkinson's Disease Society Research Centre, Institute of Psychiatry and Kings College Hospital Medical School, London</wicri:cityArea></affiliation></author><author><name sortKey="Benecke, R" sort="Benecke, R" uniqKey="Benecke R" first="R." last="Benecke">R. Benecke</name><affiliation wicri:level="2"><country>Royaume-Uni</country><placeName><region type="country">Angleterre</region></placeName><wicri:cityArea>MRC Movement Disorders Research Group, University Department of Neurology, and Parkinson's Disease Society Research Centre, Institute of Psychiatry and Kings College Hospital Medical School, London</wicri:cityArea></affiliation></author><author><name sortKey="Rothwell, J C" sort="Rothwell, J C" uniqKey="Rothwell J" first="J. C." last="Rothwell">J. C. Rothwell</name><affiliation wicri:level="2"><country>Royaume-Uni</country><placeName><region type="country">Angleterre</region></placeName><wicri:cityArea>MRC Movement Disorders Research Group, University Department of Neurology, and Parkinson's Disease Society Research Centre, Institute of Psychiatry and Kings College Hospital Medical School, London</wicri:cityArea></affiliation></author><author><name sortKey="Day, B L" sort="Day, B L" uniqKey="Day B" first="B. L." last="Day">B. L. Day</name><affiliation wicri:level="2"><country>Royaume-Uni</country><placeName><region type="country">Angleterre</region></placeName><wicri:cityArea>MRC Movement Disorders Research Group, University Department of Neurology, and Parkinson's Disease Society Research Centre, Institute of Psychiatry and Kings College Hospital Medical School, London</wicri:cityArea></affiliation></author><author><name sortKey="Marsden" sort="Marsden" uniqKey="Marsden" last="Marsden">Marsden</name><affiliation wicri:level="2"><country>Royaume-Uni</country><placeName><region type="country">Angleterre</region></placeName><wicri:cityArea>MRC Movement Disorders Research Group, University Department of Neurology, and Parkinson's Disease Society Research Centre, Institute of Psychiatry and Kings College Hospital Medical School, London</wicri:cityArea></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="1986">1986</date><biblScope unit="vol">1</biblScope><biblScope unit="issue">4</biblScope><biblScope unit="page" from="255">255</biblScope><biblScope unit="page" to="266">266</biblScope></imprint><idno type="ISSN">0885-3185</idno></series><idno type="istex">D8ACE963A94304C58CA48779A25ED5DEAAE8F1BA</idno><idno type="DOI">10.1002/mds.870010405</idno><idno type="ArticleID">MDS870010405</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0885-3185</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aged</term><term>Arm (innervation)</term><term>Cerebral Infarction (physiopathology)</term><term>Electromyography</term><term>Frontal Lobe (physiopathology)</term><term>Functional Laterality (physiology)</term><term>Human</term><term>Humans</term><term>Male</term><term>Movement</term><term>Reflex, Stretch</term><term>Sequential movement</term><term>Supplementary motor area</term></keywords><keywords scheme="MESH" qualifier="innervation" xml:lang="en"><term>Arm</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Functional Laterality</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Cerebral Infarction</term><term>Frontal Lobe</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Aged</term><term>Electromyography</term><term>Humans</term><term>Male</term><term>Movement</term><term>Reflex, Stretch</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The role played by the supplementary motor area (SMA) in the higher‐level organization of motor behaviour (motor programming) has been highlighted by the study of cerebral blood flow during voluntary movements in normal humans. We present a detailed physiological investigation from a patient with a right SMA lesion and show that the right SMA plays a role in programming simultaneous and sequential movements in both arms, though the contralateral arm was the more severely impaired. In addition, we obtained evidence to suggest that the precentral motor cortex may be more responsive to peripheral perturbations when the modulating influence of the SMA is absent. In view of the similarity of the physiological findings in this subject to those in patients with Parkinson's disease, we suggest that the defect of motor programming in Parkinson's disease is likely to reflect functional deafferentation of the SMA.</div></front></TEI><affiliations><list><country><li>Royaume-Uni</li></country><region><li>Angleterre</li></region></list><tree><country name="Royaume-Uni"><region name="Angleterre"><name sortKey="Dick, J P R" sort="Dick, J P R" uniqKey="Dick J" first="J. P. R." last="Dick">J. P. R. Dick</name></region><name sortKey="Benecke, R" sort="Benecke, R" uniqKey="Benecke R" first="R." last="Benecke">R. Benecke</name><name sortKey="Day, B L" sort="Day, B L" uniqKey="Day B" first="B. L." last="Day">B. L. Day</name><name sortKey="Marsden" sort="Marsden" uniqKey="Marsden" last="Marsden">Marsden</name><name sortKey="Rothwell, J C" sort="Rothwell, J C" uniqKey="Rothwell J" first="J. C." last="Rothwell">J. C. Rothwell</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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