晚期急性压力对决策的影响:爱荷华州赌博任务中对即时收益的放大吸引力。

IF 2.6 3区 心理学 Q2 BEHAVIORAL SCIENCES
Francisco Molins , Nour Ben Hassen , Miguel Ángel Serrano
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引用次数: 0

摘要

以往的文献表明,急性应激反应的后期阶段可能会导致决策失误,其特点是选择更冒险,并可能倾向于立即寻求回报。然而,所有针对这一阶段影响的研究都将决策能力作为一个单独的维度来处理,而没有对决策的基本过程进行分析。本研究采用基于贝叶斯逻辑的价值加反悔(VPP)RL 模型,旨在深入了解急性应激晚期如何影响爱荷华赌博任务(IGT)中的决策认知过程,并解读收益是否如预期那样被放大处理。73 名参与者被随机分配到两组,压力组(35 人)和对照组(38 人)。采用虚拟版特里尔社会压力测试(TSST-VR)作为实验室压力源。在压力开始 35 分钟后,通过 IGT 对决策进行评估。结果表明,与对照组相比,受试者在决策过程中表现出更强的毅力和连贯性、更强的记忆力和强化学习能力,但他们更倾向于立即获得高收益的牌面。在分析这些结果时,我们认识到,在 IGT 中,注重即时回报的短期决策会被视为适得其反。这表明,压力可能会限制人们转而采用更谨慎、能带来更大长期收益的策略的能力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Late acute stress effects on decision-making: The magnified attraction to immediate gains in the iowa gambling task
Previous literature indicates that the later phases of the acute stress response may promote poor decision-making, characterized by riskier choices and a likely inclination towards immediate reward-seeking. However, all studies addressing the effect of this phase have treated decisional capacity as a singular dimension, without analyzing the underlying processes under decision-making. Employing the Value-Plus-Perseveration (VPP) RL model, based on Bayesian logic, this study aims to gain specific insights into how late phase of acute stress impacts the cognitive processes underpinning decision-making in the Iowa Gambling Task (IGT), deciphering whether, as expected, gains are processed in a magnified manner. Seventy-three participants were randomly assigned to two groups, stress (N = 35) and control (N = 38). A virtual version of The Trier Social Stress Test (TSST-VR) was employed as a laboratory stressor. Decision-making was evaluated 35 minutes after the stressor onset, by means of the IGT. Results showed that stressed participants, in comparison to control group, displayed more perseverant and consistent decision-making, enhanced memory, and reinforcement learning capabilities, yet were guided by a greater attraction to decks offering immediate high gains. These results are analyzed with the understanding that in the IGT, short-term decisions focused on instant rewards are seen as counterproductive. This suggests that stress could limit the ability to switch to strategies that are more cautious and offer greater long-term benefits.
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来源期刊
Behavioural Brain Research
Behavioural Brain Research 医学-行为科学
CiteScore
5.60
自引率
0.00%
发文量
383
审稿时长
61 days
期刊介绍: Behavioural Brain Research is an international, interdisciplinary journal dedicated to the publication of articles in the field of behavioural neuroscience, broadly defined. Contributions from the entire range of disciplines that comprise the neurosciences, behavioural sciences or cognitive sciences are appropriate, as long as the goal is to delineate the neural mechanisms underlying behaviour. Thus, studies may range from neurophysiological, neuroanatomical, neurochemical or neuropharmacological analysis of brain-behaviour relations, including the use of molecular genetic or behavioural genetic approaches, to studies that involve the use of brain imaging techniques, to neuroethological studies. Reports of original research, of major methodological advances, or of novel conceptual approaches are all encouraged. The journal will also consider critical reviews on selected topics.
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