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创伤后应激障碍和时间折扣之间的关联:未来思维的作用
Mieke Verfaellie1, Virginie Patt2, Ginette Lafleche2
1Memory Disorders Research Center, VA Boston Healthcare System, United States; Department of Psychiatry, Boston University Chobanian and Avedisian School of Medicine, United States.
患有创伤后应激障碍 (PTSD) 的人因难以想象积极的未来事件而改变了未来的决策. 这项研究表明,增强未来思维可以减少PTSD患者的决策偏见.
科学领域:
- 神经科学是一个神经科学.
- 心理学 心理学 心理学
- 创伤研究 创伤研究
背景情况:
- 创伤后应激障碍 (PTSD) 与改变未来思维有关.
- 在PTSD中理解决策,特别是面向未来的选择,仍然有限.
研究的目的:
- 调查PTSD中增加的时间折扣是否源于未能自发地设想未来的奖励.
- 为了检查插曲性未来思维在调节创伤后应激障碍患者决策中的作用.
主要方法:
- 37名受过创伤的退伍军人参加了这次活动.
- 参与者完成了标准和偶发的未来思维驱动的时间折扣任务.
- 预测未来事件的困难被单独评估.
主要成果:
- 创伤后应激障碍症状严重程度与在标准任务中偏好立即奖励相关.
- 参与未来思考消除了PTSD严重程度和更的折扣之间的关联.
- 预期未来事件的障碍调解了PTSD严重程度和折扣之间的联系.
结论:
- 在PTSD中,改变时间折扣与无法自发地想象未来的积极事件有关.
- 抑郁症和酒精使用并不能解释PTSD中观察到的决策变化.
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