时间准备和执行功能在变量前期停止信号范式的背景下在子子:贝叶斯参数方法的证据
Fatemeh Mohtashami Borzadaran1,2, Sadegh Ghasemian1,2, Elahe Rohani1,2
1Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran.
American journal of primatology
|December 7, 2025
概括
时间准备对 rhesus 子的反应执行和抑制有不同的影响. 虽然准备会加快反应的速度,但它对停止的作用取决于试验序列,这表明复杂的抑制控制机制.
科学领域:
- 神经科学是一个神经科学.
- 认知心理学 认知心理学
- 灵长类动物的行为
背景情况:
- 在灵长类模型中,暂时准备和响应抑制之间的相互作用尚未得到充分理解.
- 了解这些机制对于破译执行职能和决策过程至关重要.
研究的目的:
- 为了研究时间准备如何影响 rhesus 子的反应抑制.
- 检查前期 (FP) 长度及其顺序变化的对响应抑制的影响.
主要方法:
- 在四只 rhesus 子 (Macaca mulatta) 中使用了可变前期 (FP) 停止信号任务.
- 使用ex-Gaussian分布分析了反应时间 (Go-RT) 和停止信号反应时间 (SSRT).
- 预计触发器失效 (PTF) 的概率,以评估抑制功效.
主要成果:
- 增加时间准备改善了响应执行 (更快,更一致的Go-RT).
- 时间制备对反应抑制产生了混合作用,增加了延迟时间,但提高了疗效.
- 前期切换 (交替) 延长了抑制延迟,但减少了触发器失效,提高了停止可靠性.
结论:
- 时间准备主要影响响应执行,独立于先前的试验状态.
- 响应抑制对以前试验的短期连续效应敏感,特别是FP交替.
- 这些发现突出了在灵长类动物中控制响应执行与抑制控制的独特时间动态.
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