时间型对风险决策的影响:ERP研究
Mahsima Hajiaboo1, Mostafa Zarean1, Soomaayeh Heysieattalab2
1Department of Psychology, Faculty of Education and Psychology, University of Tabriz, Tabriz, Iran.
概括
晚间类型的人做出更有风险的决定,并且与早晨类型相比,对反的神经敏感性较低. 这种时间型差异可能会增加对不适应性决策的脆弱性.
科学领域:
- 神经科学是一个神经科学.
- 时间生物学 时间生物学
- 认知心理学 认知心理学
背景情况:
- 时间型影响行为和情绪调节,包括冲动和自我控制.
- 时间型对风险决策和神经反处理的影响尚未完全理解.
研究的目的:
- 研究早晨类型和晚上类型之间的风险决策和反评估中的行为和电生理学差异.
- 探索时间型和神经对博任务期间反的反应之间的关系.
主要方法:
- 使用早晨-晚上问卷 (MEQ) 和慕尼黑时刻型问卷 (MCTQ) 来评估时刻型.
- 在经过修改的货币博任务中记录了脑电图 (EEG) 在39名参与者身上 (20个早晨类型,19个晚上类型).
- 分析行为数据 (风险选择,反应时间) 和电生理学组件 (反相关的消极性 (FRN),P300).
主要成果:
- 晚间类型的人表现出更有风险的选择和更快的反应时间,特别是在错误反后,表明冲动性.
- 在晚间类型中观察到减弱的反相关消极性 (FRN) 幅度,与时间型得分相关,并表明神经对反敏感性降低.
- 没有发现P300幅度的显著群体差异,尽管两组都显示了增强的P300到积极的反.
结论:
- 时间型与风险决策中的独特行为和神经特征有关.
- 夜晚性与冲动性增加,风险偏好和反监测减少有关,可能会增加不适应性决策的风险.
- 研究结果强调了时型在调节决策过程中对反的神经反应中的作用.
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