精神分裂症患者的联想学习和面部表情识别:社会存在的影响

IF 2.3 Q2 PSYCHIATRY Schizophrenia Research-Cognition Pub Date : 2023-11-08 DOI:10.1016/j.scog.2023.100295
Khansa Charaf , Mohamed Agoub , Driss Boussaoud
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引用次数: 0

摘要

精神分裂症(SCZ)是一种改变一般认知和社会认知的精神疾病。然而,改变的确切机制仍有待阐明。在本研究中,我们研究了同一患者的联想学习(AL)和面部表情识别(FER),使用情绪表达和抽象图像。我们的主要目的是调查这些认知能力如何受到SCZ的影响,并评估仅仅社会存在的作用,这是一个以前没有考虑过的因素。该研究比较了60名患有SCZ的门诊患者和103名人口统计学匹配的健康志愿者的行为表现。在人工智能任务中,参与者必须在每次试验的反馈指导下,将抽象图像或面部表情与按键联系起来。在FER任务中,他们必须报告两个连续出现的面部表情是相同还是不同。所有的参与者都在两种社会环境条件下完成了这两项任务:单独或有一个被动但专注的观众在场。结果显示,与对照组相比,患者有严重的学习障碍,面部表情与抽象图像相比略有优势,以及社会存在的性别依赖效应。相比之下,患者的面部表情识别在一定程度上幸免于社交存在,并得到了促进。我们的结论是,SCZ患者的认知能力受损,但他们的调查需要考虑到他们被评估的社会背景。
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Associative learning and facial expression recognition in schizophrenic patients: Effects of social presence

Schizophrenia (SCZ) is a psychiatric disorder that alters both general and social cognition. However, the exact mechanisms that are altered remain to be elucidated. In this study, we investigated associative learning (AL) and facial expression recognition (FER) in the same patients, using emotional expressions and abstract images. Our main aim was to investigate how these cognitive abilities are affected by SCZ and to assess the role of mere social presence, a factor that has not been considered before. The study compared the behavioral performance of 60 treated outpatients with SCZ and 103 demographically matched healthy volunteers. In the AL task, participants had to associate abstract images or facial expressions with key presses, guided by feedback on each trial. In the FER task, they had to report whether two successively presented facial expressions were the same or different. All participants performed the two tasks under two social context conditions: alone or in the presence of a passive but attentive audience. The results showed a severe learning impairment in patients compared to controls, with a slight advantage for facial expressions compared to abstract images, and a gender-dependent effect of social presence. In contrast, facial expression recognition was partially spared in patients and facilitated by social presence. We conclude that cognitive abilities are impaired in patients with SCZ, but their investigation needs to take into account the social context in which they are assessed.

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来源期刊
CiteScore
5.60
自引率
10.70%
发文量
54
审稿时长
67 days
期刊最新文献
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