Subjective awareness on the Iowa Gambling Task: The key role of emotional experience in schizophrenia
Subjective awareness on the Iowa Gambling Task: The key role of emotional experience in schizophrenia
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DOI：
10.1081/13803390490918354
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发表时间：
2005-08-01
影响因子：
2.2
通讯作者：
Turnbull, OH
中科院分区：
文献类型：
--
作者：
Evans, CEY;Bowman, CH;Turnbull, OH
情绪在复杂决策中的关键作用通常使用爱荷华赌博任务进行评估，并且最近已成为神经心理学中一个重要的研究课题。然而，关于这种基于情绪的学习测量中的主观体验问题尚未得到充分研究，这主要是因为先前的研究主要集中在行为表现测量上。本研究使用一种比先前采用的更系统和定量的方法，对赌博任务中的主观体验进行了研究：评估参与者“询问”基于情绪的学习系统的能力。该研究还在一个群体（精神分裂症患者）中研究了主观体验，在这个群体中，情绪意识问题特别令人感兴趣。精神分裂症患者在赌博任务中的学习水平与对照组完全相当。两组参与者还都对哪些牌组是“好”的和“坏”的表现出了显著且快速发展的意识。重要的是，对于两组来说，更强的意识与在赌博任务中的良好表现显著相关，这表明在复杂决策中对与情绪相关的信息可能存在比先前认为的更强的有意识的觉察。
The key role of emotion in complex decision-making is commonly assessed using the Iowa Gambling Task, and has recently been a substantial research topic in neuropsychology. However, the question of subjective experience on such emotion-based learning measures has yet to be fully investigated, largely because previous studies have focussed primarily on behavioral performance measures. The present study investigated subjective experience on the Gambling Task, using a more systematic and quantitative method than that previously employed: evaluating the ability of participants to 'interrogate' emotion-based learning systems. The study also investigated subjective experience in a population (people with schizophrenia) in whom the question of emotional awareness is of especial interest. People with schizophrenia showed learning on the Gambling Task at levels entirely comparable with that of controls. Both groups of participants also showed substantial, and rapidly developing, awareness of which decks were 'good' and 'bad'. Importantly, greater awareness was a significant correlate of good performance on the Gambling Task, for both groups, suggesting that there may be greater conscious awareness of emotion-related information in complex decision-making than had previously been appreciated.