经验时间的特点:持续时间,速度和事件密度
Marianna Lamprou-Kokolaki1, Yvan Nédélec1, Simon Lhuillier2
1CEA, DRF/Joliot, NeuroSpin; INSERM, Cognitive Neuroimaging Unit; Université Paris-Saclay, F-91191 Gif/Yvette, France.
Consciousness and cognition
|January 14, 2024
概括
大脑将连续的信息分割成离散的事件,影响我们对时间的感知. 更多的事件使时间感觉更长,更快地过去,这表明大脑对时间的持续时间和流逝有不同的机制.
科学领域:
- 认知神经科学 认知神经科学
- 时间感知心理学 时间感知心理学
背景情况:
- 威廉·詹姆斯的"时间的流逝"和"思想的流动"的概念表明,大脑通过将其细分为离散事件来处理连续的信息.
- 了解事件密度如何影响主观时间体验对于认知科学至关重要.
研究的目的:
- 研究视觉刺激中事件的密度和类型如何影响主观持续时间和时间流逝的速度的感知.
- 探索潜在的独特的神经机制,这两个方面的时间经验的基础.
主要方法:
- 实验人员使用了一个时间分割任务,参与者判断了自然场景的几秒钟长的视频.
- 视频呈现的离散事件的数量和类型各不相同.
- 参与者根据感知到的持续时间 (短/长) 和时间的流逝速度 (缓慢/快速) 来分类刺激.
主要成果:
- 事件密度的增加导致了主观持续时间的延长和时间流逝的加速感知.
- 与主观持续时间相比,参与者对时间流逝速度的估计时间更快.
- 主观持续时间感知与刺激持续时间和事件密度相关.
- 时间流逝的感知速度与刺激中的变化速率相关.
结论:
- 显而易见的神经机制可能是主观持续时间和时间流逝的速度的基础.
- 大脑将连续的信息细分成离散的事件是这些时间体验的基础.
- 事件密度和变化速度是影响我们如何体验时间的关键因素.
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