响应听觉和视觉停止信号的停止速度取决于启动信号模式
Simon Weber1, Sauro E Salomoni1, Rebecca J St George1
1University of Tasmania.
Journal of cognitive neuroscience
|April 29, 2024
概括
动作取消速度受感官输入的影响. 交叉模式的线索 (例如,听觉启动,视觉停止) 提高了停车性能,视听停止信号是最快的.
科学领域:
- 认知神经科学 认知神经科学
- 人类运动控制人体运动控制
- 感官处理 感官处理
背景情况:
- 行动取消对于在复杂的环境中导航至关重要.
- 以前的研究表明,感官模式影响了行动取消速度.
- 对选择性停止的影响,这是复杂运动的关键组成部分,尚不清楚.
研究的目的:
- 调查如何感官模式的启动和停止信号影响选择性行动取消.
- 为了确定跨模式相互作用是否增强或阻碍停止过程.
- 检查注意力网络在模式特定行动取消中的作用.
主要方法:
- 30名健康成年人完成了5个选择性响应的停止信号任务.
- 任务是各种各样的听觉和视觉信号的组合,启动和停止信号模式.
- 电肌图 (EMG) 记录了效应肌的活动,以便进行详细分析.
主要成果:
- 与同一种模式的配对相比,通过跨模式的停止信号配对 (例如,听觉的视觉停止) 停车速度更快.
- 最快的停止发生在停止信号是视听信号时,显示多感官促进.
- 行为和生理数据证实了模式对停止延迟的影响.
结论:
- 环境线索的感觉模式显著影响选择性行动取消速度.
- 跨模式的互动似乎有助于更快地停车.
- 研究结果表明,模式特定的认知资源对于有效的行动控制和取消至关重要.
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