改变主观时间感知会导致神经活动的相关变化,并延迟折扣
Sangil Lee1, Joseph W Kable2, Wi Hoon Jung3
1Helen Wills Neuroscience Institute, University of California, Berkeley, CA, USA.
NeuroImage
|April 30, 2025
概括
改变主观时间感知会影响个人对未来奖励的折扣速度,影响他们的决策. 与时间感知相关的大脑区域的神经活动也发生了变化,与这些行为影响相关联.
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
- 决策科学 决策科学 决策科学
背景情况:
- 延迟折扣,是一种冲动性的衡量标准,显示出显著的个体变化.
- 假设主观的时间感知是折扣率的个人差异的基础.
研究的目的:
- 调查操纵主观时间感知对延迟折扣的因果关系.
- 检查改变时间感知的神经相关性及其与折扣行为的关系.
主要方法:
- 用一种新的计时任务来操纵参与者的主观时间体验.
- 延迟折扣的行为指标是在时间感知操纵之前和之后收集的.
- 神经成像 (例如fMRI) 用于评估相关大脑区域的神经活动.
主要成果:
- 对主观时间感知的操纵大大改变了参与者的折扣率.
- 脑部区域的神经活动,如前脑岛和上旋,以时间感知而闻名,表现出相应的变化.
- 神经活动变化的幅度预测了折扣率变化的程度.
结论:
- 主观的时间感知是影响延迟折扣行为的关键因素.
- 这些发现为时间感知和延迟下决策之间的联系提供了神经基础.
- 针对主观时间感知可能为与冲动行为相关的干预提供新的途径.
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