Local field potentials and oscillatory activity of the internal globus pallidus in myoclonus–dystonia
Identifieur interne : 000E31 ( Istex/Corpus ); précédent : 000E30; suivant : 000E32Local field potentials and oscillatory activity of the internal globus pallidus in myoclonus–dystonia
Auteurs : Elisabeth M. J. Foncke ; Lo J. Bour ; Johannes D. Speelman ; Johannes H. T. M. Koelman ; Marina A. J. TijssenSource :
- Movement Disorders [ 0885-3185 ] ; 2007-02-15.
English descriptors
Abstract
The pathophysiology of myoclonus–dystonia (M–D), an autosomal dominantly inherited movement disorder characterized by myoclonic jerks and dystonic contractions, is largely unknown. In the present study, local field potential (LFP) activities in the globus pallidus internus (GPi) from two genetically proven M–D patients are investigated. Coherence analysis between GPi LFP activity and electromyographic muscle activity (EMG) and synchronization of GPi neuronal activity using event‐related spectral perturbation (ERSP) in a go–no‐go paradigm were studied. Significant increased coherence in the 3 to 15 Hz frequency band was detected between GPi LFP activity and several muscles, with the LFP leading the muscles. The ERSP analysis revealed synchronization in the 3 to 15 Hz frequency band within the GPi before the imperative cue of the go–no‐go task and desynchronization in the same band after the cue. The LFP recordings of the GPi in M–D show that the low‐frequency band previously described in dystonia is also involved in the dystonia plus syndrome M–D. The 3 to 15 Hz synchronization in the go–no‐go paradigm has not been described previously and may point to the existence of (myoclonus–)dystonia specific oscillatory activity in the GPi. © 2006 Movement Disorder Society
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DOI: 10.1002/mds.21284
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ISTEX:5EE0D92A75BD1488FFDAE1A820DB7F2D5E5F80D5Le document en format XML
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In the present study, local field potential (LFP) activities in the globus pallidus internus (GPi) from two genetically proven M–D patients are investigated. Coherence analysis between GPi LFP activity and electromyographic muscle activity (EMG) and synchronization of GPi neuronal activity using event‐related spectral perturbation (ERSP) in a go–no‐go paradigm were studied. Significant increased coherence in the 3 to 15 Hz frequency band was detected between GPi LFP activity and several muscles, with the LFP leading the muscles. The ERSP analysis revealed synchronization in the 3 to 15 Hz frequency band within the GPi before the imperative cue of the go–no‐go task and desynchronization in the same band after the cue. The LFP recordings of the GPi in M–D show that the low‐frequency band previously described in dystonia is also involved in the dystonia plus syndrome M–D. 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In the present study, local field potential (LFP) activities in the globus pallidus internus (GPi) from two genetically proven M–D patients are investigated. Coherence analysis between GPi LFP activity and electromyographic muscle activity (EMG) and synchronization of GPi neuronal activity using event‐related spectral perturbation (ERSP) in a go–no‐go paradigm were studied. Significant increased coherence in the 3 to 15 Hz frequency band was detected between GPi LFP activity and several muscles, with the LFP leading the muscles. The ERSP analysis revealed synchronization in the 3 to 15 Hz frequency band within the GPi before the imperative cue of the go–no‐go task and desynchronization in the same band after the cue. The LFP recordings of the GPi in M–D show that the low‐frequency band previously described in dystonia is also involved in the dystonia plus syndrome M–D. 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In the present study, local field potential (LFP) activities in the globus pallidus internus (GPi) from two genetically proven M–D patients are investigated. Coherence analysis between GPi LFP activity and electromyographic muscle activity (EMG) and synchronization of GPi neuronal activity using event‐related spectral perturbation (ERSP) in a go–no‐go paradigm were studied. Significant increased coherence in the 3 to 15 Hz frequency band was detected between GPi LFP activity and several muscles, with the LFP leading the muscles. The ERSP analysis revealed synchronization in the 3 to 15 Hz frequency band within the GPi before the imperative cue of the go–no‐go task and desynchronization in the same band after the cue. The LFP recordings of the GPi in M–D show that the low‐frequency band previously described in dystonia is also involved in the dystonia plus syndrome M–D. The 3 to 15 Hz synchronization in the go–no‐go paradigm has not been described previously and may point to the existence of (myoclonus–)dystonia specific oscillatory activity in the GPi. © 2006 Movement Disorder Society</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><!--Version 0.6 générée le 3-12-2015--><mods version="3.6"><titleInfo lang="en"><title>Local field potentials and oscillatory activity of the internal globus pallidus in myoclonus–dystonia</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>Local Field Potentials in Myoclonus–Dystonia</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Local field potentials and oscillatory activity of the internal globus pallidus in myoclonus–dystonia</title></titleInfo><name type="personal"><namePart type="given">Elisabeth M.J.</namePart><namePart type="family">Foncke</namePart><namePart type="termsOfAddress">MD</namePart><affiliation>Department of Neurology and Clinical Neurophysiology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Lo J.</namePart><namePart type="family">Bour</namePart><namePart type="termsOfAddress">PhD</namePart><affiliation>Department of Neurology and Clinical Neurophysiology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Johannes D.</namePart><namePart type="family">Speelman</namePart><namePart type="termsOfAddress">MD, PhD</namePart><affiliation>Department of Neurology and Clinical Neurophysiology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Johannes H.T.M.</namePart><namePart type="family">Koelman</namePart><namePart type="termsOfAddress">MD, PhD</namePart><affiliation>Department of Neurology and Clinical Neurophysiology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Marina A.J.</namePart><namePart type="family">Tijssen</namePart><namePart type="termsOfAddress">MD, PhD</namePart><affiliation>Department of Neurology and Clinical Neurophysiology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands</affiliation><description>Correspondence: Department of Neurology H2‐222, Academic Medical Center, P.O. Box 22660, 1100 DD Amsterdam, The Netherlands</description><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre authority="originalCategForm">article</genre><originInfo><publisher>Wiley Subscription Services, Inc., A Wiley Company</publisher><place><placeTerm type="text">Hoboken</placeTerm></place><dateIssued encoding="w3cdtf">2007-02-15</dateIssued><dateCaptured encoding="w3cdtf">2006-07-06</dateCaptured><dateValid encoding="w3cdtf">2006-09-10</dateValid><copyrightDate encoding="w3cdtf">2007</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType><extent unit="figures">5</extent><extent unit="tables">1</extent><extent unit="references">28</extent><extent unit="words">5016</extent></physicalDescription><abstract lang="en">The pathophysiology of myoclonus–dystonia (M–D), an autosomal dominantly inherited movement disorder characterized by myoclonic jerks and dystonic contractions, is largely unknown. In the present study, local field potential (LFP) activities in the globus pallidus internus (GPi) from two genetically proven M–D patients are investigated. Coherence analysis between GPi LFP activity and electromyographic muscle activity (EMG) and synchronization of GPi neuronal activity using event‐related spectral perturbation (ERSP) in a go–no‐go paradigm were studied. Significant increased coherence in the 3 to 15 Hz frequency band was detected between GPi LFP activity and several muscles, with the LFP leading the muscles. The ERSP analysis revealed synchronization in the 3 to 15 Hz frequency band within the GPi before the imperative cue of the go–no‐go task and desynchronization in the same band after the cue. The LFP recordings of the GPi in M–D show that the low‐frequency band previously described in dystonia is also involved in the dystonia plus syndrome M–D. The 3 to 15 Hz synchronization in the go–no‐go paradigm has not been described previously and may point to the existence of (myoclonus–)dystonia specific oscillatory activity in the GPi. © 2006 Movement Disorder Society</abstract><note type="funding">NWO VIDI - No. 016.056.333; </note><subject lang="en"><genre>Keywords</genre><topic>coherence analysis</topic><topic>local field potentials</topic><topic>internal globus pallidus</topic><topic>myoclonus–dystonia</topic></subject><relatedItem type="host"><titleInfo><title>Movement Disorders</title><subTitle>Official Journal of the Movement Disorder Society</subTitle></titleInfo><titleInfo type="abbreviated"><title>Mov. Disord.</title></titleInfo><subject><genre>article category</genre><topic>Research Article</topic></subject><identifier type="ISSN">0885-3185</identifier><identifier type="eISSN">1531-8257</identifier><identifier type="DOI">10.1002/(ISSN)1531-8257</identifier><identifier type="PublisherID">MDS</identifier><part><date>2007</date><detail type="volume"><caption>vol.</caption><number>22</number></detail><detail type="issue"><caption>no.</caption><number>3</number></detail><extent unit="pages"><start>369</start><end>376</end><total>8</total></extent></part></relatedItem><identifier type="istex">5EE0D92A75BD1488FFDAE1A820DB7F2D5E5F80D5</identifier><identifier type="DOI">10.1002/mds.21284</identifier><identifier type="ArticleID">MDS21284</identifier><accessCondition type="use and reproduction" contentType="copyright">Copyright © 2006 Movement Disorder Society</accessCondition><recordInfo><recordOrigin>Wiley Subscription Services, Inc., A Wiley Company</recordOrigin><recordContentSource>WILEY</recordContentSource></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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