时间期望对体感官感知和决策的成本和益处
Ziliang Xiong1, Xavier Job2, Konstantina Kilteni1
1Department of Neuroscience, Karolinska Institute, 171 77 Stockholm, Sweden; Donders Institute for Brain, Cognition and Behaviour, Radboud University, 6500 HD Nijmegen, Netherlands.
Cognition
|April 15, 2025
概括
时间期望影响触摸感知,导致证据积累速度较慢,但反应时间较快. 这项研究揭示了对体感官判断和决策的双重影响.
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
- 感官感知是一种感官感知.
背景情况:
- 感知受到先前的时间期望的影响,通常是从感官输入模式中学习的.
- 由于先前的研究混合,对时间期望对体感官判断 (速度和准确性) 的影响尚不清楚.
研究的目的:
- 研究时间期望如何影响体感知觉和决策.
- 为了确定在触觉感知中对歧视灵敏度,准确度和反应时间的具体影响.
主要方法:
- 参与者使用听觉线索来预测对他们的手指施加力的时间.
- 触觉力的强度歧视是在预期的和意想不到的时间条件下进行的.
- 漂移-扩散建模被用来分析决策过程.
主要成果:
- 时间预期导致歧视敏感度降低,预期力量的门更高.
- 对于预期的力量,感知精度降低了,但反应时间显示有好处.
- 漂移扩散模型表明,期望加速了非决策过程,同时减缓了证据积累.
结论:
- 在体感官领域的时间预期既有成本 (降低精度/灵敏度),也有好处 (更快的反应时间).
- 这些发现突出了预期,感官证据积累和触觉感知中的决策之间的复杂相互作用.
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