在使用贝叶斯式方法的早晨认知挑战时,时间型和心血管反应之间没有关联
Larissa N Wüst1,2, Christian Cajochen1,2, Ruta Lasauskaite1,2
1Centre for Chronobiology, Psychiatric Hospital of the University of Basel, Basel, Switzerland.
Neurobiology of sleep and circadian rhythms
|June 11, 2025
概括
这项研究发现,无论是自我报告还是以黑激素为基础的时间型与在认知任务期间的精神努力之间没有显著的联系. 时间型没有可靠地影响心血管反应或在早上感知到的任务难度.
科学领域:
- 时间生物学 时间生物学
- 认知神经科学 认知神经科学
- 心血管生理学心血管生理学
背景情况:
- 时刻型,反映一个人的自然睡眠-觉醒偏好,影响日常节奏和认知表现.
- 在认知任务期间的精神努力可以通过心血管标志物,如预排气期 (PEP) 和静脉血压 (SBP) 来评估.
- 了解时间型和认知努力之间的相互作用对于优化表现和福祉至关重要.
研究的目的:
- 为了研究由自我报告的睡眠时间和唾液黑激素发作决定的时间型与在工作记忆任务期间的精神努力之间的关联.
- 为了检查不同时间型和睡眠时间如何影响心血管反应,这表明了精神上的努力.
- 探索习惯性睡眠时间和对认知挑战的生理反应之间的关系.
主要方法:
- 使用慕尼黑时代型问卷和唾液黑激素发作来评估时代型,将参与者分为早期,中期或晚期类型.
- 参与者在8个小时和5个小时的睡眠时间后,在两次早晨会议中完成了双回工作记忆任务.
- 在认知任务期间,通过测量心脏预喷射期 (PEP) 和缩血压 (SBP) 响应来运行精神努力.
主要成果:
- 自我报告的时间型没有显著影响警觉,感知任务需求或缩血压反应.
- 在认知挑战期间,睡眠时间衍生的时间型和预喷射期反应之间的关联是不确定的.
- 基于唾液黑激素发病的时刻型也没有对警觉,感知任务需求或心血管反应 (PEP和SBP) 产生可信的影响.
结论:
- 通过自我报告和黑激素发作评估的时间型,在早晨的认知任务中没有明显影响与努力相关的心血管反应.
- 这些发现表明,按时型定义的习惯性睡眠时间可能不是在早上执行认知要求高的任务期间生理性努力的关键决定因素.
- 需要进一步的研究来探索其他可能调解不同条件下时代型和认知表现之间的关系的因素.
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