Transient inhibition of the dorsolateral prefrontal cortex disrupts somatosensory modulation during standing balance as measured by electroencephalography.
Identifieur interne : 001F27 ( Ncbi/Merge ); précédent : 001F26; suivant : 001F28Transient inhibition of the dorsolateral prefrontal cortex disrupts somatosensory modulation during standing balance as measured by electroencephalography.
Auteurs : David A E. Bolton [Canada] ; Katlyn E. Brown ; William E. Mcilroy ; W Richard StainesSource :
- Neuroreport [ 1473-558X ] ; 2012.
English descriptors
- KwdEn :
- Adult, Electroencephalography, Evoked Potentials (physiology), Evoked Potentials, Somatosensory (physiology), Feedback, Sensory (physiology), Fingers (innervation), Humans, Neural Inhibition (physiology), Postural Balance (physiology), Prefrontal Cortex (physiology), Touch (physiology), Young Adult.
- MESH :
- innervation : Fingers.
- physiology : Evoked Potentials, Evoked Potentials, Somatosensory, Feedback, Sensory, Neural Inhibition, Postural Balance, Prefrontal Cortex, Touch.
- Adult, Electroencephalography, Humans, Young Adult.
Abstract
Several studies have shown that a light fingertip touch on a stable surface reduces body sway for individuals standing with their eyes closed even when touch forces are too low to offer mechanical support. It has been proposed that this is due to the availability of sway-relevant sensory feedback from the hand compensating for lost vision. Recently, we revealed modulation of cortical sensory transmission of information from the hand depending on the task (e.g. relevant or not relevant to balance control). Of interest in the present study is the potential origin of task-specific modulation of cortically evoked sensory potentials linked to balance control. We aimed to investigate the role of the prefrontal cortex by temporarily suppressing this region and observing differences in cortical events. Continuous θ-burst stimulation was applied to either the prefrontal cortex or a control stimulation site before balance testing. During balance testing, individuals stood in tandem on a force plate with their eyes closed while lightly touching a stable surface or a sway-referenced surface with the index finger. Throughout testing, the median nerve was stimulated and electroencephalography was used to measure somatosensory-evoked potentials. As expected, the availability of stable light touch reduced the medial-lateral centre of pressure sway. Importantly, in the present study, there was a loss of task-related P200 modulation at FCZ following stimulation of the prefrontal cortex. The present findings support the hypothesis that the prefrontal cortex may serve to regulate task-related sensory reweighting of haptic information that may be used during the control of standing balance.
DOI: 10.1097/WNR.0b013e328352027c
PubMed: 22407071
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Transient inhibition of the dorsolateral prefrontal cortex disrupts somatosensory modulation during standing balance as measured by electroencephalography.</title><author><name sortKey="Bolton, David A E" sort="Bolton, David A E" uniqKey="Bolton D" first="David A E" last="Bolton">David A E. Bolton</name><affiliation wicri:level="1"><nlm:affiliation>Department of Kinesiology, University of Waterloo, Waterloo, Ontario, Canada. dbolton@uwaterloo.ca</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>Department of Kinesiology, University of Waterloo, Waterloo, Ontario</wicri:regionArea><wicri:noRegion>Ontario</wicri:noRegion></affiliation></author><author><name sortKey="Brown, Katlyn E" sort="Brown, Katlyn E" uniqKey="Brown K" first="Katlyn E" last="Brown">Katlyn E. Brown</name></author><author><name sortKey="Mcilroy, William E" sort="Mcilroy, William E" uniqKey="Mcilroy W" first="William E" last="Mcilroy">William E. Mcilroy</name></author><author><name sortKey="Staines, W Richard" sort="Staines, W Richard" uniqKey="Staines W" first="W Richard" last="Staines">W Richard Staines</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2012">2012</date><idno type="doi">10.1097/WNR.0b013e328352027c</idno><idno type="RBID">pubmed:22407071</idno><idno type="pmid">22407071</idno><idno type="wicri:Area/PubMed/Corpus">000C40</idno><idno type="wicri:Area/PubMed/Curation">000C40</idno><idno type="wicri:Area/PubMed/Checkpoint">000A14</idno><idno type="wicri:Area/Ncbi/Merge">001F27</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Transient inhibition of the dorsolateral prefrontal cortex disrupts somatosensory modulation during standing balance as measured by electroencephalography.</title><author><name sortKey="Bolton, David A E" sort="Bolton, David A E" uniqKey="Bolton D" first="David A E" last="Bolton">David A E. Bolton</name><affiliation wicri:level="1"><nlm:affiliation>Department of Kinesiology, University of Waterloo, Waterloo, Ontario, Canada. dbolton@uwaterloo.ca</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>Department of Kinesiology, University of Waterloo, Waterloo, Ontario</wicri:regionArea><wicri:noRegion>Ontario</wicri:noRegion></affiliation></author><author><name sortKey="Brown, Katlyn E" sort="Brown, Katlyn E" uniqKey="Brown K" first="Katlyn E" last="Brown">Katlyn E. Brown</name></author><author><name sortKey="Mcilroy, William E" sort="Mcilroy, William E" uniqKey="Mcilroy W" first="William E" last="Mcilroy">William E. Mcilroy</name></author><author><name sortKey="Staines, W Richard" sort="Staines, W Richard" uniqKey="Staines W" first="W Richard" last="Staines">W Richard Staines</name></author></analytic><series><title level="j">Neuroreport</title><idno type="eISSN">1473-558X</idno><imprint><date when="2012" type="published">2012</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term><term>Electroencephalography</term><term>Evoked Potentials (physiology)</term><term>Evoked Potentials, Somatosensory (physiology)</term><term>Feedback, Sensory (physiology)</term><term>Fingers (innervation)</term><term>Humans</term><term>Neural Inhibition (physiology)</term><term>Postural Balance (physiology)</term><term>Prefrontal Cortex (physiology)</term><term>Touch (physiology)</term><term>Young Adult</term></keywords><keywords scheme="MESH" qualifier="innervation" xml:lang="en"><term>Fingers</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Evoked Potentials</term><term>Evoked Potentials, Somatosensory</term><term>Feedback, Sensory</term><term>Neural Inhibition</term><term>Postural Balance</term><term>Prefrontal Cortex</term><term>Touch</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Electroencephalography</term><term>Humans</term><term>Young Adult</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Several studies have shown that a light fingertip touch on a stable surface reduces body sway for individuals standing with their eyes closed even when touch forces are too low to offer mechanical support. It has been proposed that this is due to the availability of sway-relevant sensory feedback from the hand compensating for lost vision. Recently, we revealed modulation of cortical sensory transmission of information from the hand depending on the task (e.g. relevant or not relevant to balance control). Of interest in the present study is the potential origin of task-specific modulation of cortically evoked sensory potentials linked to balance control. We aimed to investigate the role of the prefrontal cortex by temporarily suppressing this region and observing differences in cortical events. Continuous θ-burst stimulation was applied to either the prefrontal cortex or a control stimulation site before balance testing. During balance testing, individuals stood in tandem on a force plate with their eyes closed while lightly touching a stable surface or a sway-referenced surface with the index finger. Throughout testing, the median nerve was stimulated and electroencephalography was used to measure somatosensory-evoked potentials. As expected, the availability of stable light touch reduced the medial-lateral centre of pressure sway. Importantly, in the present study, there was a loss of task-related P200 modulation at FCZ following stimulation of the prefrontal cortex. The present findings support the hypothesis that the prefrontal cortex may serve to regulate task-related sensory reweighting of haptic information that may be used during the control of standing balance.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">22407071</PMID><DateCreated><Year>2012</Year><Month>03</Month><Day>29</Day></DateCreated><DateCompleted><Year>2012</Year><Month>08</Month><Day>01</Day></DateCompleted><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1473-558X</ISSN><JournalIssue CitedMedium="Internet"><Volume>23</Volume><Issue>6</Issue><PubDate><Year>2012</Year><Month>Apr</Month><Day>18</Day></PubDate></JournalIssue><Title>Neuroreport</Title><ISOAbbreviation>Neuroreport</ISOAbbreviation></Journal><ArticleTitle>Transient inhibition of the dorsolateral prefrontal cortex disrupts somatosensory modulation during standing balance as measured by electroencephalography.</ArticleTitle><Pagination><MedlinePgn>369-72</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1097/WNR.0b013e328352027c</ELocationID><Abstract><AbstractText>Several studies have shown that a light fingertip touch on a stable surface reduces body sway for individuals standing with their eyes closed even when touch forces are too low to offer mechanical support. It has been proposed that this is due to the availability of sway-relevant sensory feedback from the hand compensating for lost vision. Recently, we revealed modulation of cortical sensory transmission of information from the hand depending on the task (e.g. relevant or not relevant to balance control). Of interest in the present study is the potential origin of task-specific modulation of cortically evoked sensory potentials linked to balance control. We aimed to investigate the role of the prefrontal cortex by temporarily suppressing this region and observing differences in cortical events. Continuous θ-burst stimulation was applied to either the prefrontal cortex or a control stimulation site before balance testing. During balance testing, individuals stood in tandem on a force plate with their eyes closed while lightly touching a stable surface or a sway-referenced surface with the index finger. Throughout testing, the median nerve was stimulated and electroencephalography was used to measure somatosensory-evoked potentials. As expected, the availability of stable light touch reduced the medial-lateral centre of pressure sway. Importantly, in the present study, there was a loss of task-related P200 modulation at FCZ following stimulation of the prefrontal cortex. The present findings support the hypothesis that the prefrontal cortex may serve to regulate task-related sensory reweighting of haptic information that may be used during the control of standing balance.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Bolton</LastName><ForeName>David A E</ForeName><Initials>DA</Initials><AffiliationInfo><Affiliation>Department of Kinesiology, University of Waterloo, Waterloo, Ontario, Canada. dbolton@uwaterloo.ca</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Brown</LastName><ForeName>Katlyn E</ForeName><Initials>KE</Initials></Author><Author ValidYN="Y"><LastName>McIlroy</LastName><ForeName>William E</ForeName><Initials>WE</Initials></Author><Author ValidYN="Y"><LastName>Staines</LastName><ForeName>W Richard</ForeName><Initials>WR</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Neuroreport</MedlineTA><NlmUniqueID>9100935</NlmUniqueID><ISSNLinking>0959-4965</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName MajorTopicYN="N" UI="D000328">Adult</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D004569">Electroencephalography</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D005071">Evoked Potentials</DescriptorName><QualifierName MajorTopicYN="N" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D005073">Evoked Potentials, Somatosensory</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D056228">Feedback, Sensory</DescriptorName><QualifierName MajorTopicYN="N" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D005385">Fingers</DescriptorName><QualifierName MajorTopicYN="N" UI="Q000294">innervation</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D006801">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D009433">Neural Inhibition</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D004856">Postural Balance</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D017397">Prefrontal Cortex</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D014110">Touch</DescriptorName><QualifierName MajorTopicYN="N" UI="Q000502">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D055815">Young Adult</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2012</Year><Month>3</Month><Day>13</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2012</Year><Month>3</Month><Day>13</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2012</Year><Month>8</Month><Day>2</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="doi">10.1097/WNR.0b013e328352027c</ArticleId><ArticleId IdType="pubmed">22407071</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Canada</li></country></list><tree><noCountry><name sortKey="Brown, Katlyn E" sort="Brown, Katlyn E" uniqKey="Brown K" first="Katlyn E" last="Brown">Katlyn E. Brown</name><name sortKey="Mcilroy, William E" sort="Mcilroy, William E" uniqKey="Mcilroy W" first="William E" last="Mcilroy">William E. Mcilroy</name><name sortKey="Staines, W Richard" sort="Staines, W Richard" uniqKey="Staines W" first="W Richard" last="Staines">W Richard Staines</name></noCountry><country name="Canada"><noRegion><name sortKey="Bolton, David A E" sort="Bolton, David A E" uniqKey="Bolton D" first="David A E" last="Bolton">David A E. Bolton</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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