体力科学
Online ISSN : 1881-4751
Print ISSN : 0039-906X
原著
競技力が高いサッカー選手の状況判断時における脳内情報処理過程 −事象関連電位と筋電図反応時間を指標として−
松竹 貴大夏原 隆之小井土 正亮鈴木 健介田部井 祐介中山 雅雄浅井 武
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2018 年 67 巻 1 号 p. 107-123

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In this study, observing football players under simulated playing conditions to measure event-related potentials (ERPs, i.e. P300), electromyography reaction time (EMG-RT), and reaction time (RT), we investigated neural correlates of information processing during selective reaction challenges. A high performance group included 13 collegiate football players who had previously won the All Japan University Championships. A low performance group included 13 collegiate football players who never competed at the national level or played in prefectural or regional competitions. We conducted a 4 vs. 2 ball possession task (i.e. a Go/NoGo task) under simulated playing conditions that required situational assessment. Our results showed that the high-performance group had a significantly higher correct response rate than did the low-performance group in 4 vs. 2 ball possession tasks. Moreover, the EMG-RT and RT of the high-performance group were significantly shorter than that of the low-performance group. Furthermore, the P100 and P300 latencies of the high-performance group was significantly shorter than those of the low-performance group. These findings indicated that high-performance football players could perform the task-relevant stages of information processing (such as visual information processing, stimulus evaluation, and motor response output) in a short time. There was no correlation between EMG-RT and P100 (Go, NoGo stimulation), indicating that initial visual information processing did not contribute to the execution of the final motor response. There was no correlation between EMG-RT and Go P300 latency, whereas a significant correlation with NoGo P300 latency was shown. This suggested that the stimulus evaluation system by NoGo stimuli (response inhibition) is strongly involved in the final motor output reaction.

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