ThuliumV1, PubMed, Corpus, bibRecord, 000575

Evoked magnetic fields following noxious laser stimulation of the thigh in humans.

Identifieur interne : 000575 ( PubMed/Corpus ); précédent : 000574; suivant : 000576

Evoked magnetic fields following noxious laser stimulation of the thigh in humans.

Auteurs : Hiroki Nakata ; Yohei Tamura ; Kiwako Sakamoto ; Kosuke Akatsuka ; Masahiro Hirai ; Koji Inui ; Minoru Hoshiyama ; Youichi Saitoh ; Takamitsu Yamamoto ; Yoichi Katayama ; Ryusuke Kakigi

Source :

NeuroImage [ 1095-9572 ] ; 2008.

RBID : pubmed:18585060

English descriptors

KwdEn :
- Adult, Evoked Potentials, Somatosensory, Humans, Lasers, Magnetoencephalography (methods), Male, Pain (physiopathology), Physical Stimulation (methods), Somatosensory Cortex (physiopathology), Thigh (innervation), Thigh (physiopathology).
MESH :
- innervation : Thigh.
- methods : Magnetoencephalography, Physical Stimulation.
- physiopathology : Pain, Somatosensory Cortex, Thigh.
- Adult, Evoked Potentials, Somatosensory, Humans, Lasers, Male.

Abstract

Primary somatosensory cortex (SI) and posterior parietal cortex (PPC) are activated by noxious stimulation. In neurophysiological studies using magnetoencephalography (MEG), however, it has been difficult to separate the activity in SI from that in PPC following stimulation of the upper limb, since the hand area of SI is very close to PPC. Therefore, we investigated human pain processing using MEG following the application of a thulium-YAG laser to the left thigh to separate the activation of SI and PPC, and to clarify the time course of the activities involved. The results indicated that cortical activities were recorded around SI, contralateral secondary somatosensory cortex (cSII), ipsilateral secondary somatosensory cortex (iSII), and PPC between 150-185 ms. The precise location of PPC was indicated to be the inferior parietal lobule (IPL), corresponding to Brodmann's area 40. The mean peak latencies of SI, cSII, iSII and IPL were 152, 170, 181, and 183 ms, respectively. This is the first study to clarify the time course of the activities of SI, SII, and PPC in human pain processing using MEG.

DOI: 10.1016/j.neuroimage.2008.05.017
PubMed: 18585060

Links to Exploration step

pubmed:18585060

Le document en format XML

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<author><name sortKey="Nakata, Hiroki" sort="Nakata, Hiroki" uniqKey="Nakata H" first="Hiroki" last="Nakata">Hiroki Nakata</name>
<affiliation><nlm:affiliation>Department of Integrative Physiology, National Institute for Physiological Sciences, Myodaiji, Okazaki, 444-8585, Japan. nakata@nips.ac.jp</nlm:affiliation>
</affiliation>
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<author><name sortKey="Tamura, Yohei" sort="Tamura, Yohei" uniqKey="Tamura Y" first="Yohei" last="Tamura">Yohei Tamura</name>
</author>
<author><name sortKey="Sakamoto, Kiwako" sort="Sakamoto, Kiwako" uniqKey="Sakamoto K" first="Kiwako" last="Sakamoto">Kiwako Sakamoto</name>
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<author><name sortKey="Akatsuka, Kosuke" sort="Akatsuka, Kosuke" uniqKey="Akatsuka K" first="Kosuke" last="Akatsuka">Kosuke Akatsuka</name>
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<author><name sortKey="Hirai, Masahiro" sort="Hirai, Masahiro" uniqKey="Hirai M" first="Masahiro" last="Hirai">Masahiro Hirai</name>
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<author><name sortKey="Inui, Koji" sort="Inui, Koji" uniqKey="Inui K" first="Koji" last="Inui">Koji Inui</name>
</author>
<author><name sortKey="Hoshiyama, Minoru" sort="Hoshiyama, Minoru" uniqKey="Hoshiyama M" first="Minoru" last="Hoshiyama">Minoru Hoshiyama</name>
</author>
<author><name sortKey="Saitoh, Youichi" sort="Saitoh, Youichi" uniqKey="Saitoh Y" first="Youichi" last="Saitoh">Youichi Saitoh</name>
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<author><name sortKey="Yamamoto, Takamitsu" sort="Yamamoto, Takamitsu" uniqKey="Yamamoto T" first="Takamitsu" last="Yamamoto">Takamitsu Yamamoto</name>
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<author><name sortKey="Katayama, Yoichi" sort="Katayama, Yoichi" uniqKey="Katayama Y" first="Yoichi" last="Katayama">Yoichi Katayama</name>
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<author><name sortKey="Kakigi, Ryusuke" sort="Kakigi, Ryusuke" uniqKey="Kakigi R" first="Ryusuke" last="Kakigi">Ryusuke Kakigi</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Evoked magnetic fields following noxious laser stimulation of the thigh in humans.</title>
<author><name sortKey="Nakata, Hiroki" sort="Nakata, Hiroki" uniqKey="Nakata H" first="Hiroki" last="Nakata">Hiroki Nakata</name>
<affiliation><nlm:affiliation>Department of Integrative Physiology, National Institute for Physiological Sciences, Myodaiji, Okazaki, 444-8585, Japan. nakata@nips.ac.jp</nlm:affiliation>
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<author><name sortKey="Tamura, Yohei" sort="Tamura, Yohei" uniqKey="Tamura Y" first="Yohei" last="Tamura">Yohei Tamura</name>
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<author><name sortKey="Sakamoto, Kiwako" sort="Sakamoto, Kiwako" uniqKey="Sakamoto K" first="Kiwako" last="Sakamoto">Kiwako Sakamoto</name>
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<author><name sortKey="Akatsuka, Kosuke" sort="Akatsuka, Kosuke" uniqKey="Akatsuka K" first="Kosuke" last="Akatsuka">Kosuke Akatsuka</name>
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<author><name sortKey="Hirai, Masahiro" sort="Hirai, Masahiro" uniqKey="Hirai M" first="Masahiro" last="Hirai">Masahiro Hirai</name>
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<author><name sortKey="Inui, Koji" sort="Inui, Koji" uniqKey="Inui K" first="Koji" last="Inui">Koji Inui</name>
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<author><name sortKey="Hoshiyama, Minoru" sort="Hoshiyama, Minoru" uniqKey="Hoshiyama M" first="Minoru" last="Hoshiyama">Minoru Hoshiyama</name>
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<author><name sortKey="Saitoh, Youichi" sort="Saitoh, Youichi" uniqKey="Saitoh Y" first="Youichi" last="Saitoh">Youichi Saitoh</name>
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<author><name sortKey="Yamamoto, Takamitsu" sort="Yamamoto, Takamitsu" uniqKey="Yamamoto T" first="Takamitsu" last="Yamamoto">Takamitsu Yamamoto</name>
</author>
<author><name sortKey="Katayama, Yoichi" sort="Katayama, Yoichi" uniqKey="Katayama Y" first="Yoichi" last="Katayama">Yoichi Katayama</name>
</author>
<author><name sortKey="Kakigi, Ryusuke" sort="Kakigi, Ryusuke" uniqKey="Kakigi R" first="Ryusuke" last="Kakigi">Ryusuke Kakigi</name>
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<series><title level="j">NeuroImage</title>
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<imprint><date when="2008" type="published">2008</date>
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<term>Evoked Potentials, Somatosensory</term>
<term>Humans</term>
<term>Lasers</term>
<term>Magnetoencephalography (methods)</term>
<term>Male</term>
<term>Pain (physiopathology)</term>
<term>Physical Stimulation (methods)</term>
<term>Somatosensory Cortex (physiopathology)</term>
<term>Thigh (innervation)</term>
<term>Thigh (physiopathology)</term>
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<keywords scheme="MESH" qualifier="innervation" xml:lang="en"><term>Thigh</term>
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<keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Magnetoencephalography</term>
<term>Physical Stimulation</term>
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<keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Pain</term>
<term>Somatosensory Cortex</term>
<term>Thigh</term>
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<keywords scheme="MESH" xml:lang="en"><term>Adult</term>
<term>Evoked Potentials, Somatosensory</term>
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<term>Lasers</term>
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<front><div type="abstract" xml:lang="en">Primary somatosensory cortex (SI) and posterior parietal cortex (PPC) are activated by noxious stimulation. In neurophysiological studies using magnetoencephalography (MEG), however, it has been difficult to separate the activity in SI from that in PPC following stimulation of the upper limb, since the hand area of SI is very close to PPC. Therefore, we investigated human pain processing using MEG following the application of a thulium-YAG laser to the left thigh to separate the activation of SI and PPC, and to clarify the time course of the activities involved. The results indicated that cortical activities were recorded around SI, contralateral secondary somatosensory cortex (cSII), ipsilateral secondary somatosensory cortex (iSII), and PPC between 150-185 ms. The precise location of PPC was indicated to be the inferior parietal lobule (IPL), corresponding to Brodmann's area 40. The mean peak latencies of SI, cSII, iSII and IPL were 152, 170, 181, and 183 ms, respectively. This is the first study to clarify the time course of the activities of SI, SII, and PPC in human pain processing using MEG.</div>
</front>
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<Abstract><AbstractText>Primary somatosensory cortex (SI) and posterior parietal cortex (PPC) are activated by noxious stimulation. In neurophysiological studies using magnetoencephalography (MEG), however, it has been difficult to separate the activity in SI from that in PPC following stimulation of the upper limb, since the hand area of SI is very close to PPC. Therefore, we investigated human pain processing using MEG following the application of a thulium-YAG laser to the left thigh to separate the activation of SI and PPC, and to clarify the time course of the activities involved. The results indicated that cortical activities were recorded around SI, contralateral secondary somatosensory cortex (cSII), ipsilateral secondary somatosensory cortex (iSII), and PPC between 150-185 ms. The precise location of PPC was indicated to be the inferior parietal lobule (IPL), corresponding to Brodmann's area 40. The mean peak latencies of SI, cSII, iSII and IPL were 152, 170, 181, and 183 ms, respectively. This is the first study to clarify the time course of the activities of SI, SII, and PPC in human pain processing using MEG.</AbstractText>
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Evoked magnetic fields following noxious laser stimulation of the thigh in humans.

Evoked magnetic fields following noxious laser stimulation of the thigh in humans.

Source :

English descriptors

Abstract

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki