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目的:研究高水平击剑运动员在不同条件下完成反应-抑制任务的行为优势,探究击剑运动员的位置线索化条件下的抑制能力,以及抑制能力是否受返回抑制影响以及其加工机制。方法:采用综合线索-靶子范式与Go/NoGo范式,在不同线索条件下对不同的靶刺激进行按键反应或抑制反应,采集击剑运动员和普通大学生完成任务的反应时和返回抑制量等行为数据和完成反应抑制任务时的脑电活动。结果:(1)击剑运动员反应时快于普通大学生,其返回抑制量更大;(2)击剑运动员的NoGo条件下的P3波幅显著性大于Go条件;(3)击剑运动员在无效提示下的NoGo-P3波幅大于有效线索提示。结论:击剑运动员视觉搜索效率更高,表现为返回抑制能力强;其抑制能力受线索有效性调节,在无效线索提示条件下抑制能力更强,认知资源投入多,激活速度快。
OBJECTIVE: To study the superiority of the performance of high-level fencing athletes in completing reaction-restraining tasks under different conditions, and to explore whether the fencing ability of the fencing athletes under the circumstance of clue-based conditions and whether the restraining ability is affected by the return inhibition and its processing mechanism. Methods: Comprehensive clues-target paradigm and Go / NoGo paradigm were used to perform key response or inhibition response to different target stimuli under different cues and to collect behavioral data such as reaction time and return inhibition volume of fencing athletes and ordinary college students EEG activity when completing the reaction suppression task. Results: (1) Fencing athletes responded faster than ordinary college students, and their return inhibition was greater; (2) P3 amplitude of Fencing athletes under NoGo condition was significantly higher than that of Go condition; (3) NoGo fencing activists -P3 amplitude greater than the effective cue tips. Conclusion: Fencing athletes have higher visual search efficiency, which is characterized by strong inhibition of return; its inhibitory ability is regulated by clues validity, inhibition ability is better under the condition of invalid cues, more cognitive resources are invested, activation speed is faster.