与任务无关的刺激可靠地增加相级瞳孔相关的兴奋,但不会影响决策形成
J Hebisch1, A-C Ghassemieh2, E Zhecheva3
1Section Computational Cognitive Neuroscience, Department of Neurophysiology and Pathophysiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany. j.hebisch@uke.de.
Scientific reports
|November 17, 2024
概括
与任务无关的声音不会影响认知决策,尽管会导致瞳孔膨胀. 这表明,不同的神经通路控制着任务中的兴奋反应,而不是外部刺激.
科学领域:
- 神经科学是一个神经科学.
- 认知科学 认知科学
- 心理学 心理学 心理学
背景情况:
- 大脑干的兴奋系统,特别是 - 诺亚上腺素系统,在决策过程中表现出阶段性活动.
- 这些中心兴奋的短暂因素与瞳孔扩张相关,并与减少对挑战感知决策的偏见有关.
研究的目的:
- 调查非侵入性听觉刺激是否可以操纵中央唤醒并影响认知表现.
- 为了确定声音唤起的学生反应是否模仿与认知任务参与相关的反应.
主要方法:
- 参与者做出了具有挑战性的视觉决策,而与任务无关的听觉刺激则以不同的发病延迟或持续时间呈现.
- 对学生的反应进行了监测,以评估听觉刺激对任务引起的兴奋的影响.
- 行为表现,特别是决策偏见,与学生的反应相比进行了分析.
主要成果:
- 任务无关的声音可靠地引起了学生的反应,这些反应叠加在任务引起的反应上.
- 在任务唤起的学生反应和决策偏差之间的负相关性被复制.
- 然而,听觉刺激并没有对决策产生任何显著的行为影响.
结论:
- 该研究发现,认知任务引起的学生反应与外部听觉刺激引起的学生反应之间存在分离.
- 这表明,与任务无关的声音和认知参与可能会激活参与瞳孔控制的不同神经系统.
- 非侵入性听觉刺激不是操纵中央兴奋以影响认知决策的有效方法.
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