短期实践在短期ISI Go/NoGo任务中模块化ERP组件而没有行为变化
Yasushi Sugawara1, Yuya Matsuda2, Ryo Kurokawa1
1Department of Rehabilitation, Sapporo Hakuyokai Hospital, Sapporo 062-0931, Japan.
Brain sciences
|November 27, 2025
概括
在艰难的Go/NoGo任务上进行短期练习并没有提高性能,而是降低了神经活动. 这表明神经生理学变化发生在高认知负载下没有行为增长的情况下.
科学领域:
- 认知神经科学 认知神经科学
- 执行职能 执行职能 执行职能
背景情况:
- 响应抑制对于执行功能至关重要,经常通过Go/NoGo任务进行评估.
- 任务难度,特别是短间刺激间隔 (ISI) 对实践效应的影响还没有得到充分研究.
研究的目的:
- 调查短期实践对高难度的Go/NoGo任务中的行为和神经反应的影响,用一个简短的ISI.
- 检查与响应抑制相关的性能指标和事件相关潜力 (ERP) 的变化.
主要方法:
- 15名健康的成年人进行了视觉Go/NoGo任务,用600毫秒的ISI进行了四次会议.
- 收集了行为数据 (响应时间,错误率) 和脑电图 (EEG) 数据 (NoGo-N2,NoGo-P3组件).
主要成果:
- 没有观察到行为表现 (响应时间或错误率) 的显著改善.
- 虽然NoGo-N2的振幅保持稳定,但Fz的NoGo-P3振幅在后期会话中下降,这表明前部接触减少.
结论:
- 在高难度的Go/NoGo任务上进行短期练习并没有产生行为改善.
- 减少神经活动 (NoGo-P3) 表明神经生理适应在苛刻的条件下独立于行为变化而发生.
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