停止信号延迟反映了在停止信号任务中响应选择的持续时间
Vladislav Aksiotis1, Andriy Myachykov2,3, Alexey Tumyalis4,5
1Centre for Bioelectric Interfaces, Institute for Cognitive Neuroscience, Higher School of Economics, Krivokolenniy Pereulok 3, Moscow, 101000, Russian Federation.
Attention, perception & psychophysics
|July 6, 2023
概括
停止信号任务 (SST) 显示响应抑制涉及两个阶段. 响应选择首先发生,其次是响应抑制,完善我们对认知控制的理解.
科学领域:
- 认知心理学 认知心理学
- 神经科学是一个神经科学.
- 行为科学 行为科学
背景情况:
- 停止信号任务 (SST) 是研究响应抑制的一个关键工具.
- 目前的模型,如赛马模型 (HRM),不能完全解释反应选择,执行和抑制之间的相互作用.
研究的目的:
- 澄清SST中响应选择,执行和停止过程之间的时间关系.
- 提出并验证回应抑制的修订后的两阶段模型.
主要方法:
- 实验1:使用Cued-Go试验和适应算法来测量响应选择持续时间的修改SST.
- 实验2:在与停止信号一起呈现的Cued-Go刺激后评估抑制效率.
主要成果:
- 停止信号延迟 (SSD) 持续时间与个体响应选择时间相关.
- 响应选择对响应抑制的效率有很小的独立影响.
结论:
- SST涉及两个阶段的过程:响应选择,其次是响应抑制.
- 这种修订后的模型提供了对认知控制和抑制机制的更细致的理解.
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