Japanese

Effects of mental stress and physical activity using extra-epidermal electrical stimulation-evoked potentials Hiroki Takahashi 1 , Michio Maruta 2 , Gwanghee Han 3 , Hironori Miyata 4 , Takayuki Tabira 5 1Department of Rehabilitation Center, St. Mary's Hospital 2Okatsu Hospital (Former affiliation; Department of Occupational Therapy, School of Health Sciences, Faculty of Medicine, Kagoshima University) 3Department of Neuropsychiatry, Kumamoto University Hospital (Former affiliation; Department of Rehabilitation Center, St. Mary's Hospital) 4Department of Occupational Therapy, Faculty of Rehabilitation, Kyushu Nutrition Welfare University 5Department of Occupational Therapy, School of Health Sciences, Faculty of Medicine, Kagoshima University Keyword: 痛み , 侵害受容情報処理過程 , ストレス , 運動 , 脳波 , Pain , Nociceptive processing , Stress , Physical activity , Electroencephalogram pp.646-653
Published Date 2018/12/15
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 Not only somatosensory pathways, but also areas of the brain that control emotion/cognition such as anterior cingulate cortex, are involved in the cognitive processing nociceptive processing of pain. In addition, when measuring the brain's response to pain, the late positive component of the pain-related potential that appears at a latency of 250-300 msec, known as P2, is believed to reflect the mechanism of information processing that includes cognition/emotion rather than represent an actual pain sensation. To better understand the nociceptive processes surrounding pain, we enlisted 20 healthy volunteers to compare the influence of mental stress and physical activity on the P2 component in the pain-related potential using the backward digit span task and the ladder climbing exercise, respectively. The results showed that while mental stress may excite the anterior cingulate gyrus, thus increasing pain perception, physical activity may play a contrasting role in suppressing the perception of pain.


Copyright © 2018, Japanese Association of Occupational Therapists. All rights reserved.

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電子版ISSN 印刷版ISSN 0289-4920 日本作業療法士協会

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