反边的手和脚更了解时间:时间顺序判断的优势及其处理阶段
Zimo Li1,2, Luyao Wang3, Shintaro Funahashi2
1Okayama University.
Journal of cognitive neuroscience
|April 28, 2025
概括
手脚协调的反侧优势延伸到时间感知. 反侧肢体上的刺激提高了判断触觉事件顺序的准确性和速度,这表明加强了肢体间处理.
科学领域:
- 神经科学是一个神经科学.
- 人类运动控制人体运动控制
- 感官感知是一种感官感知.
背景情况:
- 肢体间协调对于行走等运动任务至关重要.
- 之前的研究表明,在活跃运动期间,对侧侧手脚协调能力较强.
- 这种对付利益的延伸到被动时间感知是不清楚的.
研究的目的:
- 在手和脚之间的时间顺序判断中调查对付权益.
- 通过使用脑电图 (EEG) 来探索这种潜在优势的行为和神经基础.
主要方法:
- 一个时间顺序判断任务,涉及手和脚的连续触觉刺激.
- 使用脑电图 (EEG) 来记录大脑活动 (事件相关潜能 - - ERP).
- 参与者判断了刺激的顺序 ("手在脚前"或"脚在手前").
主要成果:
- 在行为上,参与者表现出对侧边优势,对对侧边肢体刺激表现出更高的准确性和更快的反应时间 (RTs).
- RT优势受到四肢交叉的影响,但对右手反应持久.
- 从神经生理学上来说,ERP揭示了较早的中心双关节阳性延迟和相反侧手脚组合的峰值幅度降低.
- 这些神经发现表明,在早期和晚期阶段,时间处理得到了改进.
结论:
- 在手和脚之间进行时间顺序判断时,存在对付权益的优势.
- 这一优势得到了行为表现和神经处理的支持.
- 研究结果提供了对上侧逆侧肢间协调机制的见解,并可能为运动障碍的治疗提供信息.
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