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首页> 外文期刊>neuroscience of consciousness >Long-term dynamics of mind wandering: ultradian rhythms in thought generation
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Long-term dynamics of mind wandering: ultradian rhythms in thought generation

机译：心灵游荡的长期动态：思想生成中的超点节奏

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Using the method of experience sampling, we studied the fluctuations in thought generation and cognitive control strength during the wakeful hours of the day, centered around episodes of mind wandering. Thought generation, measured in terms of the number of thoughts that concurrently occupy the mind at sampling time, goes through regular 4-6h cycles, suggesting the mind operates with an alternation of focused and multitasking modes. Cognitive control strength rises and falls in relative coordination with thought generation, implying that both are occasionally misaligned. This happens, in particular, when cognitive control suddenly drops after having been keeping up with a cycle of thought generation. When this drop occurs while the thought generation cycle is still up, mind wandering appears. As cognitive control quickly resumes before returning to intermediate values, the thought generation cycle begins to fall again, and the mind wandering episode comes to an end. Implications regarding the role of long-termregulation in mind-wandering processes are discussed.
机译：使用经验抽样的方法，我们研究了一天中清醒时间的思想产生和认知控制强度的波动，以走神的发作为中心。思维生成，以采样时间同时占据大脑的思想数量来衡量，经过有规律的 4-6 小时周期，表明大脑在集中和多任务模式的交替下运作。认知控制强度随着思维的产生而相对协调地上升和下降，这意味着两者偶尔会错位。特别是当认知控制在跟上思维生成周期后突然下降时，就会发生这种情况。当这种下降发生在思想生成周期仍在上升时，就会出现走神。随着认知控制在恢复到中间值之前迅速恢复，思维生成周期再次开始下降，走神事件结束。讨论了长期调节在走神过程中的作用。

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