双任务Go/Nogo的有效性是由SOA和Go/Nogo比率调节的
Xiaoman Wang1, Guiqin Ren1, Heming Gao1
1School of Psychology, Liaoning Normal University, Dalian 116029, China.
Behavioural processes
|August 12, 2025
概括
在Go/Nogo双重任务有效地测量响应抑制. 较短的刺激发作异步 (SOA) 和不频繁的Nogo试验提高了这个任务的灵敏度.
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.
- 人类因素 人类因素
背景情况:
- Go/Nogo任务是评估响应抑制的一个标准范式.
- 双任务模式将Go/Nogo任务与探测任务相结合,以测量抑制.
- 探测器Go/Nogo效应将响应抑制量化为Nogo-probe和Go-probe试验之间的反应时间的差异.
研究的目的:
- 评估Go/Nogo双任务模式的有效性.
- 为了研究刺激开始异步 (SOA) 和Go/Nogo比率对探头Go/Nogo效应的影响.
- 确定使用Go/Nogo双任务来检测响应抑制的最佳参数.
主要方法:
- 实验1使用短 (600,800毫秒) 和长 (1300,1600毫秒) 间隔操纵SOA.
- 实验2操纵了Go/Nogo比率 (3:1, 1:1) 和SOA (800,1200毫秒).
- 探测器Go/Nogo效应的计算方式是RTNogo-probe - RTGo-probe.
主要成果:
- 增加SOA导致探测器减少了Go/Nogo效应的大小.
- 3:1的Go/Nogo比率导致了比1:1的比率更大的探测器Go/Nogo效应.
- 与较长的SOA相比,较短的SOA产生了更大的探针Go/Nogo效应.
结论:
- 在Go/Nogo双重任务是有效的评估响应抑制.
- 检测响应抑制的最佳条件包括短暂的SOA和不频繁的Nogo试验.
- 这些发现提供了对优化Go/Nogo双重任务的洞察力,用于认知研究和应用.
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