咀嚼動作を用いた光刺激に対する反応トレーニングが音刺激の反応時間へ及ぼす影響

• Published in: 日本生理人類学会誌 Vol. 18; no. 4; pp. 165 - 169
• Main Authors: 中本, 浩揮, 北田, 耕司, 幸, 篤武, 荻田, 太, 田巻, 弘之, 與谷, 謙吾, 柳楽, 晃, 桐本, 光
• Format: Journal Article
• Language: Japanese
• Published: 日本生理人類学会 2013; Japan Society of Physiological Anthropology
• Subjects: Electromyogram (EMG) response time; Motor-evoked potential (MEP) latency; Simple reaction task; 単純反応課題; 筋電図反応時間; 運動誘発電位潜時
• ISSN: 1342-3215; 2432-0986
• DOI: 10.20718/jjpa.18.4_165

The purpose of this study was to examine whether visual-response training using mastication task shortens audio-response time. Fourteen male subjects were randomly divided into 2 groups: a training group, which underwent response training consisting of a mastication task in response to visual signal, and a control group, which did not undergo response training. Training group conducted the response training for 2 day/week, for 4 weeks, and both groups performed same reaction time test to visual or audio signal before (Pre-test) and after (Post-test) the training. Pre-motor time (PMT), motor evoked potential (MEP) latency and ΔPMT-MEP latency were measured at the test. PMT and ΔPMT-MEP latency to visual or audio signal in the training group were significantly shorter at Post-test than at Pre-test, and no significant differences were observed in the control group between the tests. On the other hand, relative reduction in the ΔPMT-MEP latency of training group was significantly greater in visual signal (11.8%) than in audio signal (8.7%).