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广泛性焦虑障碍患者在不同版本的 Iowa 赌博任务中表现出面向未来的决策。

Future-oriented decision-making in Generalized Anxiety Disorder is evident across different versions of the Iowa Gambling Task.

机构信息

Department of Psychology, Universitaet Marburg, Marburg, Germany.

出版信息

J Behav Ther Exp Psychiatry. 2010 Jun;41(2):165-71. doi: 10.1016/j.jbtep.2009.12.002. Epub 2009 Dec 28.

Abstract

Generalized Anxiety Disorder (GAD) and excessive worrying are characterized by a preoccupation with the future. Thus, enhanced identification of potential future punishments or omissions of reward may be related to the disorder. To test this hypothesis, n=47 students meeting GAD criteria according to the GADQ-IV (GAD analogues) or not (control participants) performed the Iowa Gambling Task, which has been related to sensitivity to future consequences. In order to disentangle sensitivity to future loss and sensitivity to high short-term loss magnitudes, which could also lead to enhanced Iowa Gambling Task performance, participants also performed a modified version of the task with reversed contingencies. In both versions, GAD analogues learned to avoid decisions with high probability of long-term loss significantly faster than control participants. Results, therefore, indicate that GAD is characterized by enhanced processing of potential future losses rather than sensitivity to large short-term loss.

摘要

广泛性焦虑障碍(GAD)和过度担忧的特点是对未来的过分关注。因此,增强对潜在未来惩罚或奖励缺失的识别可能与该障碍有关。为了验证这一假设,n=47 名根据 GADQ-IV(GAD 模拟)符合 GAD 标准的学生或不符合(对照组)的学生进行了爱荷华赌博任务,该任务与对未来结果的敏感性有关。为了区分对未来损失的敏感性和对高短期损失幅度的敏感性,这也可能导致爱荷华赌博任务表现增强,参与者还进行了修改后的任务版本,反转了关联。在这两个版本中,GAD 模拟者学会了以显著快于对照组的速度避免高长期损失的决策。因此,结果表明 GAD 的特点是增强了对潜在未来损失的处理,而不是对大短期损失的敏感性。

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