Oscillations in the basal ganglia under normal conditions and in movement disorders
Identifieur interne : 001245 ( Main/Exploration ); précédent : 001244; suivant : 001246Oscillations in the basal ganglia under normal conditions and in movement disorders
Auteurs : Plamen Gatev [États-Unis] ; Olivier Darbin [États-Unis] ; Thomas Wichmann [États-Unis]Source :
- Movement Disorders [ 0885-3185 ] ; 2006-10.
English descriptors
Abstract
A substantial body of work within the last decade has demonstrated that there is a variety of oscillatory phenomena that occur in the basal ganglia and in associated regions of the thalamus and cortex. Most of the earlier studies focused on recordings in rodents and primates. More recently, significant advances have been made in this field of research through the analysis of basal ganglia field potentials recorded from implanted deep brain stimulation electrodes in the basal ganglia of human patients with Parkinson's disease and other disorders. It now appears that oscillatory activity may play a significant role in the pathogenesis of these diseases. The most significant finding is that in Parkinson's disease synchronized oscillatory activity in the 10‐ to 35‐Hz band (often termed “β‐band”) is prevalent in the basal ganglia–thalamocortical circuits, and that such activity can be reduced by dopaminergic treatments. The entrainment of large portions of these circuits may disrupt information processing in them and may lead to parkinsonian akinesia (and perhaps tremor). Although less firmly established than the role of oscillations in movement disorders, oscillatory activities at higher frequencies may also be a component of normal basal ganglia physiology. © 2006 Movement Disorder Society
Url:
DOI: 10.1002/mds.21033
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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>Hoboken</pubPlace><date type="published" when="2006-10">2006-10</date><biblScope unit="volume">21</biblScope><biblScope unit="issue">10</biblScope><biblScope unit="page" from="1566">1566</biblScope><biblScope unit="page" to="1577">1577</biblScope></imprint><idno type="ISSN">0885-3185</idno></series><idno type="istex">22DEB2672880E1134ABFF33981157BBF2FA3F3C1</idno><idno type="DOI">10.1002/mds.21033</idno><idno type="ArticleID">MDS21033</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0885-3185</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Parkinson's disease</term><term>basal ganglia</term><term>dopamine</term><term>oscillation</term><term>synchronization</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">A substantial body of work within the last decade has demonstrated that there is a variety of oscillatory phenomena that occur in the basal ganglia and in associated regions of the thalamus and cortex. Most of the earlier studies focused on recordings in rodents and primates. More recently, significant advances have been made in this field of research through the analysis of basal ganglia field potentials recorded from implanted deep brain stimulation electrodes in the basal ganglia of human patients with Parkinson's disease and other disorders. It now appears that oscillatory activity may play a significant role in the pathogenesis of these diseases. The most significant finding is that in Parkinson's disease synchronized oscillatory activity in the 10‐ to 35‐Hz band (often termed “β‐band”) is prevalent in the basal ganglia–thalamocortical circuits, and that such activity can be reduced by dopaminergic treatments. The entrainment of large portions of these circuits may disrupt information processing in them and may lead to parkinsonian akinesia (and perhaps tremor). Although less firmly established than the role of oscillations in movement disorders, oscillatory activities at higher frequencies may also be a component of normal basal ganglia physiology. © 2006 Movement Disorder Society</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Géorgie (États-Unis)</li></region></list><tree><country name="États-Unis"><region name="Géorgie (États-Unis)"><name sortKey="Gatev, Plamen" sort="Gatev, Plamen" uniqKey="Gatev P" first="Plamen" last="Gatev">Plamen Gatev</name></region><name sortKey="Darbin, Olivier" sort="Darbin, Olivier" uniqKey="Darbin O" first="Olivier" last="Darbin">Olivier Darbin</name><name sortKey="Wichmann, Thomas" sort="Wichmann, Thomas" uniqKey="Wichmann T" first="Thomas" last="Wichmann">Thomas Wichmann</name><name sortKey="Wichmann, Thomas" sort="Wichmann, Thomas" uniqKey="Wichmann T" first="Thomas" last="Wichmann">Thomas Wichmann</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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