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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">EEG analysis reveals widespread directed functional interactions related to a painful cutaneous laser stimulus</title><author><name sortKey="Markman, T" sort="Markman, T" uniqKey="Markman T" first="T." last="Markman">T. Markman</name><affiliation><nlm:aff id="aff1">Department of Neurosurgery, Johns Hopkins University, Baltimore, Maryland;</nlm:aff></affiliation></author><author><name sortKey="Liu, C C" sort="Liu, C C" uniqKey="Liu C" first="C. C." last="Liu">C. C. Liu</name><affiliation><nlm:aff id="aff1">Department of Neurosurgery, Johns Hopkins University, Baltimore, Maryland;</nlm:aff></affiliation></author><author><name sortKey="Chien, J H" sort="Chien, J H" uniqKey="Chien J" first="J. H." last="Chien">J. H. Chien</name><affiliation><nlm:aff id="aff1">Department of Neurosurgery, Johns Hopkins University, Baltimore, Maryland;</nlm:aff></affiliation></author><author><name sortKey="Crone, N E" sort="Crone, N E" uniqKey="Crone N" first="N. E." last="Crone">N. E. Crone</name><affiliation><nlm:aff wicri:cut="; and" id="aff2">Department of Neurology, Johns Hopkins University, Baltimore, Maryland</nlm:aff></affiliation></author><author><name sortKey="Zhang, J" sort="Zhang, J" uniqKey="Zhang J" first="J." last="Zhang">J. Zhang</name><affiliation><nlm:aff id="aff1">Department of Neurosurgery, Johns Hopkins University, Baltimore, Maryland;</nlm:aff></affiliation><affiliation><nlm:aff id="aff3">School of Biological Science and Medical Engineering, Beijing University of Aeronautics and Astronautics, Beijing, China</nlm:aff></affiliation></author><author><name sortKey="Lenz, F A" sort="Lenz, F A" uniqKey="Lenz F" first="F. A." last="Lenz">F. A. Lenz</name><affiliation><nlm:aff id="aff1">Department of Neurosurgery, Johns Hopkins University, Baltimore, Maryland;</nlm:aff></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">23945784</idno><idno type="pmc">3841864</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3841864</idno><idno type="RBID">PMC:3841864</idno><idno type="doi">10.1152/jn.00246.2013</idno><date when="2013">2013</date><idno type="wicri:Area/Pmc/Corpus">000280</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">000280</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">EEG analysis reveals widespread directed functional interactions related to a painful cutaneous laser stimulus</title><author><name sortKey="Markman, T" sort="Markman, T" uniqKey="Markman T" first="T." last="Markman">T. Markman</name><affiliation><nlm:aff id="aff1">Department of Neurosurgery, Johns Hopkins University, Baltimore, Maryland;</nlm:aff></affiliation></author><author><name sortKey="Liu, C C" sort="Liu, C C" uniqKey="Liu C" first="C. C." last="Liu">C. C. Liu</name><affiliation><nlm:aff id="aff1">Department of Neurosurgery, Johns Hopkins University, Baltimore, Maryland;</nlm:aff></affiliation></author><author><name sortKey="Chien, J H" sort="Chien, J H" uniqKey="Chien J" first="J. H." last="Chien">J. H. Chien</name><affiliation><nlm:aff id="aff1">Department of Neurosurgery, Johns Hopkins University, Baltimore, Maryland;</nlm:aff></affiliation></author><author><name sortKey="Crone, N E" sort="Crone, N E" uniqKey="Crone N" first="N. E." last="Crone">N. E. Crone</name><affiliation><nlm:aff wicri:cut="; and" id="aff2">Department of Neurology, Johns Hopkins University, Baltimore, Maryland</nlm:aff></affiliation></author><author><name sortKey="Zhang, J" sort="Zhang, J" uniqKey="Zhang J" first="J." last="Zhang">J. Zhang</name><affiliation><nlm:aff id="aff1">Department of Neurosurgery, Johns Hopkins University, Baltimore, Maryland;</nlm:aff></affiliation><affiliation><nlm:aff id="aff3">School of Biological Science and Medical Engineering, Beijing University of Aeronautics and Astronautics, Beijing, China</nlm:aff></affiliation></author><author><name sortKey="Lenz, F A" sort="Lenz, F A" uniqKey="Lenz F" first="F. A." last="Lenz">F. A. Lenz</name><affiliation><nlm:aff id="aff1">Department of Neurosurgery, Johns Hopkins University, Baltimore, Maryland;</nlm:aff></affiliation></author></analytic><series><title level="j">Journal of Neurophysiology</title><idno type="ISSN">0022-3077</idno><idno type="eISSN">1522-1598</idno><imprint><date when="2013">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>During attention to a painful cutaneous laser stimulus, event-related causality (ERC) has been detected in recordings from subdural electrodes implanted directly over cortical modules for the treatment of epilepsy. However, these studies afforded limited sampling of modules and did not examine interactions with a nonpainful stimulus as a control. We now sample scalp EEG to test the hypothesis that attention to the laser stimulus is associated with poststimulus ERC interactions that are different from those with attention to a nonpainful stimulus. Subjects attended to (counted) either a painful laser stimulus (laser attention task) or a nonpainful electrical cutaneous stimulus that produced distraction from the laser (laser distraction task). Both of these stimuli were presented in random order in a single train. The intensities of both stimuli were adjusted to produce similar baseline salience and sensations in the same cutaneous territory. The results demonstrated that EEG channels with poststimulus ERC interactions were consistently different during the laser stimulus versus the electric stimulus. Poststimulus ERC interactions for the laser attention task were different from the laser distraction task. Furthermore, scalp EEG frontal channels play a driver role while parietal temporal channels play a receiver role during both tasks, although this does not prove that these channels are connected. Sites at which large numbers of ERC interactions were found for both laser attention and distraction tasks (critical sites) were located at Cz, Pz, and C3. Stimulation leading to disruption of sites of these pain-related interactions may produce analgesia for acute pain.</p></div></front></TEI><pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<front><journal-meta><journal-id journal-id-type="nlm-ta">J Neurophysiol</journal-id><journal-id journal-id-type="iso-abbrev">J. Neurophysiol</journal-id><journal-id journal-id-type="hwp">jn</journal-id><journal-id journal-id-type="pmc">jn</journal-id><journal-id journal-id-type="publisher-id">JN</journal-id><journal-title-group><journal-title>Journal of Neurophysiology</journal-title></journal-title-group><issn pub-type="ppub">0022-3077</issn><issn pub-type="epub">1522-1598</issn><publisher><publisher-name>American Physiological Society</publisher-name><publisher-loc>Bethesda, MD</publisher-loc></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">23945784</article-id><article-id pub-id-type="pmc">3841864</article-id><article-id pub-id-type="publisher-id">JN-00246-2013</article-id><article-id pub-id-type="doi">10.1152/jn.00246.2013</article-id><article-categories><subj-group subj-group-type="heading"><subject>Articles</subject></subj-group></article-categories><title-group><article-title>EEG analysis reveals widespread directed functional interactions related to a painful cutaneous laser stimulus</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Markman</surname><given-names>T.</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref></contrib><contrib contrib-type="author"><name><surname>Liu</surname><given-names>C. C.</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref></contrib><contrib contrib-type="author"><name><surname>Chien</surname><given-names>J. H.</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref></contrib><contrib contrib-type="author"><name><surname>Crone</surname><given-names>N. E.</given-names></name><xref ref-type="aff" rid="aff2"><sup>2</sup></xref></contrib><contrib contrib-type="author"><name><surname>Zhang</surname><given-names>J.</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref><xref ref-type="aff" rid="aff3"><sup>3</sup></xref></contrib><contrib contrib-type="author" corresp="yes"><name><surname>Lenz</surname><given-names>F. A.</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref></contrib><aff id="aff1"><sup>1</sup>Department of Neurosurgery, Johns Hopkins University, Baltimore, Maryland;</aff><aff id="aff2"><sup>2</sup>Department of Neurology, Johns Hopkins University, Baltimore, Maryland; and</aff><aff id="aff3"><sup>3</sup>School of Biological Science and Medical Engineering, Beijing University of Aeronautics and Astronautics, Beijing, China</aff></contrib-group><author-notes><corresp id="cor1">Address for reprint requests and other correspondence: F. A. Lenz, <addr-line>Dept. of Neurosurgery, Johns Hopkins Hospital, Meyer Bldg. 8-181, 600 North Wolfe St., Baltimore, MD 21287-7713</addr-line> (e-mail: <email>flenz1@jhmi.edu</email>).</corresp></author-notes><pub-date pub-type="epub"><day>14</day><month>8</month><year>2013</year></pub-date><pub-date pub-type="ppub"><day>15</day><month>11</month><year>2013</year></pub-date><pub-date pub-type="pmc-release"><day>15</day><month>11</month><year>2014</year></pub-date><pmc-comment> PMC Release delay is 12 months and
0 days and was based on the
<volume>110</volume><issue>10</issue><fpage>2440</fpage><lpage>2449</lpage><history><date date-type="received"><day>8</day><month>4</month><year>2013</year></date><date date-type="accepted"><day>14</day><month>8</month><year>2013</year></date></history><permissions><copyright-statement>Copyright © 2013 the American Physiological Society</copyright-statement><copyright-year>2013</copyright-year><copyright-holder>American Physiological Society</copyright-holder></permissions><self-uri xlink:title="pdf" xlink:type="simple" xlink:href="z9k02213002440.pdf"></self-uri><abstract><p>During attention to a painful cutaneous laser stimulus, event-related causality (ERC) has been detected in recordings from subdural electrodes implanted directly over cortical modules for the treatment of epilepsy. However, these studies afforded limited sampling of modules and did not examine interactions with a nonpainful stimulus as a control. We now sample scalp EEG to test the hypothesis that attention to the laser stimulus is associated with poststimulus ERC interactions that are different from those with attention to a nonpainful stimulus. Subjects attended to (counted) either a painful laser stimulus (laser attention task) or a nonpainful electrical cutaneous stimulus that produced distraction from the laser (laser distraction task). Both of these stimuli were presented in random order in a single train. The intensities of both stimuli were adjusted to produce similar baseline salience and sensations in the same cutaneous territory. The results demonstrated that EEG channels with poststimulus ERC interactions were consistently different during the laser stimulus versus the electric stimulus. Poststimulus ERC interactions for the laser attention task were different from the laser distraction task. Furthermore, scalp EEG frontal channels play a driver role while parietal temporal channels play a receiver role during both tasks, although this does not prove that these channels are connected. Sites at which large numbers of ERC interactions were found for both laser attention and distraction tasks (critical sites) were located at Cz, Pz, and C3. Stimulation leading to disruption of sites of these pain-related interactions may produce analgesia for acute pain.</p></abstract><kwd-group><kwd>attention</kwd><kwd>human</kwd><kwd>pain</kwd><kwd>cortex</kwd><kwd>network</kwd><kwd>event-related causality</kwd></kwd-group></article-meta></front></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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