数字计算中的困难影响了停止信号任务中的运动决策
Isabel Beatrice Marc1, Valentina Giuffrida1,2, Mariella Segreti1,2
1Department of Physiology and Pharmacology, Sapienza University, Rome, Italy.
The European journal of neuroscience
|February 4, 2026
概括
以数值距离 (ND) 衡量的认知困难会影响决策. 更简单的数值比较提高了响应速度和准确性,增强了运动启动和抑制.
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.
- 决策科学 决策科学 决策科学
背景情况:
- 有效的决策依赖于准确的环境信息解释.
- 复杂的解释所带来的认知负担可能会阻碍决策过程.
- 数值距离 (ND) 在数值比较中量化认知需求.
研究的目的:
- 研究数值距离 (ND) 如何影响运动启动和抑制.
- 检查认知需求对运动控制和决策的影响.
- 阐明认知处理和运动反应之间的关系.
主要方法:
- 开发了一种新的数值比较停止信号任务 (NC-SST).
- 32名参与者进行了各种ND的试验,用于Go和Stop信号.
- 采用了通用的漂移-扩散和线性混合效应模型.
主要成果:
- 较大的ND (更容易比较) 导致更快,更准确的反应和更好的停止性能.
- 漂移率随着Go ND的增加而增加,并受到空间数值关联的影响.
- 前进过程参数,特别是漂移率,预测成功停止,与Stop ND和停止信号延迟 (SSD) 相互作用.
结论:
- 增加的认知困难会损害运动启动和抑制.
- 运动决策将认知信息与感知特征相结合.
- 这些发现通过结合认知感知整合来扩展经典的种族模型.
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