Intracerebral recording of readiness potential induced by a complex motor task
Identifieur interne : 002975 ( PascalFrancis/Checkpoint ); précédent : 002974; suivant : 002976Intracerebral recording of readiness potential induced by a complex motor task
Auteurs : Ivan Rektor [République tchèque] ; Martin Bares [République tchèque] ; Petr Kanovsky [République tchèque] ; Miloslav Kukleta [République tchèque]Source :
- Movement disorders [ 0885-3185 ] ; 2001.
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- Pascal (Inist)
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- topic : Homme.
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Abstract
While exploring 11 epileptic patients with intracerebral electrodes, we recorded readiness potential (RP) preceding a complex motor task. Multilead depth electrodes were positioned stereotactically into the cortex. In three patients, it was also possible to record RP from the putamen. The movement triggering the recording was the turning of a page in an architectural book. The movement was performed under two conditions: in the first condition, without looking at the pictures on the page (typical self-pacing); and in the second condition, following the inspection of the pictures. There were no significant differences in the appearance of RP under these two conditions, neither in duration nor in amplitude. That could be explained by the fact that "self-paced" does not mean "spontaneous," but covers the internal non-conscious program related to a given task. RP were present in the contralateral primary sensorimotor cortex and the bilateral supplementary motor area (SMA), and in the anterior caudal cingulate cortex. No difference between the cortical topography of RP preceding a simple motor task and the topography of RP occurring in connection with complex movement was observed.
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aut.</sZ></inist:fA14><country>République tchèque</country><placeName><settlement type="city">Brno</settlement><region>Moravie</region></placeName></affiliation></author><author><name sortKey="Bares, Martin" sort="Bares, Martin" uniqKey="Bares M" first="Martin" last="Bares">Martin Bares</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>1st Department of Neurology, Masaryk University, St. Anne Hospital</s1><s2>Brno</s2><s3>CZE</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>République tchèque</country><placeName><settlement type="city">Brno</settlement><region>Moravie</region></placeName></affiliation></author><author><name sortKey="Kanovsky, Petr" sort="Kanovsky, Petr" uniqKey="Kanovsky P" first="Petr" last="Kanovsky">Petr Kanovsky</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>1st Department of Neurology, Masaryk University, St. Anne Hospital</s1><s2>Brno</s2><s3>CZE</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>République tchèque</country><placeName><settlement type="city">Brno</settlement><region>Moravie</region></placeName></affiliation></author><author><name sortKey="Kukleta, Miloslav" sort="Kukleta, Miloslav" uniqKey="Kukleta M" first="Miloslav" last="Kukleta">Miloslav Kukleta</name><affiliation wicri:level="3"><inist:fA14 i1="02"><s1>Department of Physiology, Medical Faculty, Masaryk University</s1><s2>Brno</s2><s3>CZE</s3><sZ>4 aut.</sZ></inist:fA14><country>République tchèque</country><placeName><settlement type="city">Brno</settlement><region>Moravie</region></placeName></affiliation></author></analytic><series><title level="j" type="main">Movement disorders</title><title level="j" type="abbreviated">Mov. disord.</title><idno type="ISSN">0885-3185</idno><imprint><date when="2001">2001</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Movement disorders</title><title level="j" type="abbreviated">Mov. disord.</title><idno type="ISSN">0885-3185</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Electrodiagnosis</term><term>Electroencephalography</term><term>Epilepsy</term><term>Evoked potential</term><term>Exploration</term><term>Human</term><term>Intracranial</term><term>Motor preparation</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Epilepsie</term><term>Potentiel évoqué</term><term>Préparation motrice</term><term>Intracrânien</term><term>Electrodiagnostic</term><term>Electroencéphalographie</term><term>Exploration</term><term>Homme</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Homme</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">While exploring 11 epileptic patients with intracerebral electrodes, we recorded readiness potential (RP) preceding a complex motor task. Multilead depth electrodes were positioned stereotactically into the cortex. In three patients, it was also possible to record RP from the putamen. The movement triggering the recording was the turning of a page in an architectural book. The movement was performed under two conditions: in the first condition, without looking at the pictures on the page (typical self-pacing); and in the second condition, following the inspection of the pictures. There were no significant differences in the appearance of RP under these two conditions, neither in duration nor in amplitude. That could be explained by the fact that "self-paced" does not mean "spontaneous," but covers the internal non-conscious program related to a given task. RP were present in the contralateral primary sensorimotor cortex and the bilateral supplementary motor area (SMA), and in the anterior caudal cingulate cortex. No difference between the cortical topography of RP preceding a simple motor task and the topography of RP occurring in connection with complex movement was observed.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0885-3185</s0></fA01><fA03 i2="1"><s0>Mov. disord.</s0></fA03><fA05><s2>16</s2></fA05><fA06><s2>4</s2></fA06><fA08 i1="01" i2="1" l="ENG"><s1>Intracerebral recording of readiness potential induced by a complex motor task</s1></fA08><fA11 i1="01" i2="1"><s1>REKTOR (Ivan)</s1></fA11><fA11 i1="02" i2="1"><s1>BARES (Martin)</s1></fA11><fA11 i1="03" i2="1"><s1>KANOVSKY (Petr)</s1></fA11><fA11 i1="04" i2="1"><s1>KUKLETA (Miloslav)</s1></fA11><fA14 i1="01"><s1>1st Department of Neurology, Masaryk University, St. Anne Hospital</s1><s2>Brno</s2><s3>CZE</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></fA14><fA14 i1="02"><s1>Department of Physiology, Medical Faculty, Masaryk University</s1><s2>Brno</s2><s3>CZE</s3><sZ>4 aut.</sZ></fA14><fA20><s1>698-704</s1></fA20><fA21><s1>2001</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>20953</s2><s5>354000097121190150</s5></fA43><fA44><s0>0000</s0><s1>© 2001 INIST-CNRS. 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That could be explained by the fact that "self-paced" does not mean "spontaneous," but covers the internal non-conscious program related to a given task. RP were present in the contralateral primary sensorimotor cortex and the bilateral supplementary motor area (SMA), and in the anterior caudal cingulate cortex. 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