Does time really slow down during a frightening event?
Does time really slow down during a frightening event?
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DOI：
10.1371/journal.pone.0001295
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发表时间：
2007-12-12
期刊：
影响因子：
3.7
通讯作者：
Eagleman DM
中科院分区：
文献类型：
--
作者：
Stetson C;Fiesta MP;Eagleman DM
观察人士通常报告说，在一个危及生命的事件中，时间似乎以慢动作移动。目前尚不清楚这是事件过程中时间分辨率提高的作用，还是记忆情绪上突出事件的错觉。参与者使用手持设备测量视觉感知速度，经历了31米的自由落体，然后安全落入网中。我们没有发现时间分辨率提高的证据，这显然与参与者回顾估计自己的跌倒持续时间比其他人的跌倒长36%这一事实相矛盾。恐怖事件期间的持续时间扩张，以及伴随而来的时间分辨率的增加，表明主观时间不是加速或减慢的单一实体，而是由可分离的子成分组成。我们的发现表明，时间减慢是记忆的一种功能，而不是感知：更丰富的记忆编码可能会导致显著事件的出现，追溯起来，就像它持续的时间更长一样。
Observers commonly report that time seems to have moved in slow motion during a life-threatening event. It is unknown whether this is a function of increased time resolution during the event, or instead an illusion of remembering an emotionally salient event. Using a hand-held device to measure speed of visual perception, participants experienced free fall for 31 m before landing safely in a net. We found no evidence of increased temporal resolution, in apparent conflict with the fact that participants retrospectively estimated their own fall to last 36% longer than others' falls. The duration dilation during a frightening event, and the lack of concomitant increase in temporal resolution, indicate that subjective time is not a single entity that speeds or slows, but instead is composed of separable subcomponents. Our findings suggest that time-slowing is a function of recollection, not perception: a richer encoding of memory may cause a salient event to appear, retrospectively, as though it lasted longer.
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