Reaction time is not impaired by stimulation of the ventral‐intermediate nucleus of the thalamus (Vim) in patients with tremor
Identifieur interne : 004312 ( Main/Exploration ); précédent : 004311; suivant : 004313Reaction time is not impaired by stimulation of the ventral‐intermediate nucleus of the thalamus (Vim) in patients with tremor
Auteurs : Didier Flament [États-Unis] ; Mark B. Shapiro [États-Unis] ; Kerstin D. Pfann [États-Unis] ; Charity G. Moore [États-Unis] ; Richard D. Penn [États-Unis] ; Daniel M. Corcos [États-Unis]Source :
- Movement Disorders [ 0885-3185 ] ; 2002-05.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Homme.
English descriptors
- KwdEn :
- Aged, Electric Stimulation Therapy (adverse effects), Electrical stimulus, Electrodes, Implanted, Electrodiagnosis, Exploration, Female, Human, Humans, Male, Middle Aged, Parkinson Disease (physiopathology), Parkinson Disease (therapy), Parkinson disease, Parkinson's disease, Proprioception, Reaction Time, Reaction time, Task Performance and Analysis, Thalamus, Tremor, Tremor (physiopathology), Tremor (therapy), Ventral Thalamic Nuclei, essential tremor, human, proprioception.
- MESH :
- adverse effects : Electric Stimulation Therapy.
- physiopathology : Parkinson Disease, Tremor.
- therapy : Parkinson Disease, Tremor.
- Aged, Electrodes, Implanted, Female, Humans, Male, Middle Aged, Proprioception, Reaction Time, Task Performance and Analysis, Ventral Thalamic Nuclei.
Abstract
We studied the effect of high‐frequency electrical stimulation of the ventral‐intermediate nucleus of the thalamus (Vim) in four patients implanted with chronic stimulators to determine whether this procedure adversely affects reaction time to a proprioceptive stimulus. Two patients had undergone this surgery for treatment of tremor resulting from Parkinson's disease insufficiently responsive to levodopa therapy and two patients for treatment of essential tremor. Reaction times to auditory, visual, cutaneous, and proprioceptive stimuli were tested in a simple motor task requiring flexion of the elbow joint to a visual target in response to each stimulus. Reaction times were tested postoperatively with and without the stimulator turned on. We found that reaction time for all stimulus modalities was not increased when the stimulator was turned on; in fact, reaction times were, on average, slightly shorter during stimulation, but this difference was not statistically significant. We conclude that transmission of somatosensory inputs, necessary for initiating voluntary movement, from the periphery to the cortex is not significantly impaired by stimulation of the ventral‐intermediate nucleus of the thalamus in patients with pathological tremor. © 2002 Movement Disorder Society
Url:
DOI: 10.1002/mds.10120
Affiliations:
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Moore</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>Section of Biostatistics, Rush‐Presbyterian‐St. Luke's Medical Center, Chicago, Illinois</wicri:regionArea><placeName><region type="state">Illinois</region></placeName></affiliation></author><author><name sortKey="Penn, Richard D" sort="Penn, Richard D" uniqKey="Penn R" first="Richard D." last="Penn">Richard D. Penn</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Neurosurgery, University of Chicago, Chicago, Illinois</wicri:regionArea><placeName><region type="state">Illinois</region></placeName></affiliation></author><author><name sortKey="Corcos, Daniel M" sort="Corcos, Daniel M" uniqKey="Corcos D" first="Daniel M." last="Corcos">Daniel M. 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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="2002-05">2002-05</date><biblScope unit="vol">17</biblScope><biblScope unit="issue">3</biblScope><biblScope unit="page" from="488">488</biblScope><biblScope unit="page" to="492">492</biblScope></imprint><idno type="ISSN">0885-3185</idno></series><idno type="istex">419566CB698B6ABBC23E494EBAF0C8F085901508</idno><idno type="DOI">10.1002/mds.10120</idno><idno type="ArticleID">MDS10120</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0885-3185</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aged</term><term>Electric Stimulation Therapy (adverse effects)</term><term>Electrical stimulus</term><term>Electrodes, Implanted</term><term>Electrodiagnosis</term><term>Exploration</term><term>Female</term><term>Human</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Parkinson Disease (physiopathology)</term><term>Parkinson Disease (therapy)</term><term>Parkinson disease</term><term>Parkinson's disease</term><term>Proprioception</term><term>Reaction Time</term><term>Reaction time</term><term>Task Performance and Analysis</term><term>Thalamus</term><term>Tremor</term><term>Tremor (physiopathology)</term><term>Tremor (therapy)</term><term>Ventral Thalamic Nuclei</term><term>essential tremor</term><term>human</term><term>proprioception</term></keywords><keywords scheme="MESH" qualifier="adverse effects" xml:lang="en"><term>Electric Stimulation Therapy</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Parkinson Disease</term><term>Tremor</term></keywords><keywords scheme="MESH" qualifier="therapy" xml:lang="en"><term>Parkinson Disease</term><term>Tremor</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Aged</term><term>Electrodes, Implanted</term><term>Female</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Proprioception</term><term>Reaction Time</term><term>Task Performance and Analysis</term><term>Ventral Thalamic Nuclei</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Electrodiagnostic</term><term>Exploration</term><term>Homme</term><term>Parkinson maladie</term><term>Proprioception</term><term>Stimulus électrique</term><term>Temps réaction</term><term>Thalamus</term><term>Tremblement</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">We studied the effect of high‐frequency electrical stimulation of the ventral‐intermediate nucleus of the thalamus (Vim) in four patients implanted with chronic stimulators to determine whether this procedure adversely affects reaction time to a proprioceptive stimulus. Two patients had undergone this surgery for treatment of tremor resulting from Parkinson's disease insufficiently responsive to levodopa therapy and two patients for treatment of essential tremor. Reaction times to auditory, visual, cutaneous, and proprioceptive stimuli were tested in a simple motor task requiring flexion of the elbow joint to a visual target in response to each stimulus. Reaction times were tested postoperatively with and without the stimulator turned on. We found that reaction time for all stimulus modalities was not increased when the stimulator was turned on; in fact, reaction times were, on average, slightly shorter during stimulation, but this difference was not statistically significant. We conclude that transmission of somatosensory inputs, necessary for initiating voluntary movement, from the periphery to the cortex is not significantly impaired by stimulation of the ventral‐intermediate nucleus of the thalamus in patients with pathological tremor. © 2002 Movement Disorder Society</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Illinois</li></region></list><tree><country name="États-Unis"><region name="Illinois"><name sortKey="Flament, Didier" sort="Flament, Didier" uniqKey="Flament D" first="Didier" last="Flament">Didier Flament</name></region><name sortKey="Corcos, Daniel M" sort="Corcos, Daniel M" uniqKey="Corcos D" first="Daniel M." last="Corcos">Daniel M. Corcos</name><name sortKey="Corcos, Daniel M" sort="Corcos, Daniel M" uniqKey="Corcos D" first="Daniel M." last="Corcos">Daniel M. Corcos</name><name sortKey="Corcos, Daniel M" sort="Corcos, Daniel M" uniqKey="Corcos D" first="Daniel M." last="Corcos">Daniel M. Corcos</name><name sortKey="Moore, Charity G" sort="Moore, Charity G" uniqKey="Moore C" first="Charity G." last="Moore">Charity G. Moore</name><name sortKey="Penn, Richard D" sort="Penn, Richard D" uniqKey="Penn R" first="Richard D." last="Penn">Richard D. Penn</name><name sortKey="Pfann, Kerstin D" sort="Pfann, Kerstin D" uniqKey="Pfann K" first="Kerstin D." last="Pfann">Kerstin D. Pfann</name><name sortKey="Shapiro, Mark B" sort="Shapiro, Mark B" uniqKey="Shapiro M" first="Mark B." last="Shapiro">Mark B. Shapiro</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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