Evidence map›Paper›PMID 27994482›Full record

ArticleJournal of pain research2016

Dysesthesia symptoms produced by sensorimotor incongruence in healthy volunteers: an electroencephalogram study.

Osamu Katayama, Michihiro Osumi, Takayuki Kodama, Shu Morioka

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Article in Journal of pain research, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

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5citing papers in PubMed
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3 · Its place in the literature

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5 citing papers in PubMed.

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5 · Who and what money

Authors and funding

4 authors.

Osamu KatayamaDepartment of Neurorehabilitation, Graduate School of Health Sciences, Kio University, Nara; Department of Rehabilitation, Watanabe Hospital, Aichi.
Michihiro OsumiDepartment of Neurorehabilitation Research Center, Kio University, Nara.
Takayuki KodamaDepartment of Physical Therapy, Graduate School of Health Sciences, Kyoto Tachibana University, Kyoto, Japan.
Shu MoriokaDepartment of Neurorehabilitation, Graduate School of Health Sciences, Kio University, Nara; Department of Neurorehabilitation Research Center, Kio University, Nara.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesPathological pain such as phantom limb pain is caused by sensorimotor incongruence. Several studies with healthy participants have clearly indicated that dysesthesia, which is similar to pathological pain, is caused by incongruence between proprioception and/or motor intention and visual feedback. It is not clear to what extent dysesthesia may be caused by incongruence between motor intention and visual feedback or by incongruence between proprioception and visual feedback. The aim of this study was to clarify the neurophysiology of these factors by analyzing electroencephalograms (EEGs).

methodsIn total, 18 healthy participants were recruited for this study. Participants were asked to perform repetitive flexion/extension exercises with their elbows in a congruent/incongruent position while viewing the activity in a mirror. EEGs were performed to determine cortical activation during sensorimotor congruence and incongruence.

resultsIn the high-frequency alpha band (10-12 Hz), numeric rating scale scores of a feeling of peculiarity were significantly correlated with event-related desynchronization/synchronization under the incongruence and proprioception conditions associated with motor intention and visual feedback (right inferior parietal region;

conclusionThe present findings suggest that neural mechanisms of dysesthesia are caused by incongruence between proprioception associated with motor intention and visual feedback and, in particular, are a result of incongruence between proprioception only and visual feedback.

Indexed as

dysesthesiaelectroencephalogramevent-related desynchronization/synchronizationhigh-frequency alpha bandsensorimotor incongruence

Identifiers

PMID27994482
PMCPMC5153295

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