精神分裂症中社会知觉功能障碍的神经相关:fMRI研究
Xuezheng Gao1, Zixuan Huang2, Jiangjuan Li3
1Department of Psychiatry, The Affiliated Wuxi Mental Health Center of Nanjing Medical University, Wuxi City, 214151, People's Republic of China.
Neuropsychiatric disease and treatment
|August 28, 2023
概括
精神分裂症患者表现出面部情绪识别功能受损,特别是特定情绪. 精神分裂症中杏仁体活化减少与识别恐惧的缺陷有关,影响社会认知.
科学领域:
- 神经科学是一个神经科学.
- 精神病学是一个精神病学.
- 认知心理学 认知心理学
背景情况:
- 精神分裂症的特征是面部情绪识别的缺陷以及大脑结构/功能的改变.
- 杏仁体在处理情绪和社会认知方面发挥着至关重要的作用.
研究的目的:
- 调查精神分裂症患者和健康对照者之间的情绪识别任务期间大脑激活的差异.
- 通过分析面部情绪识别过程中的桃体活动,检查桃体在精神分裂症社会认知缺陷中的作用.
主要方法:
- 利用功能性磁共振成像 (fMRI) 扫描22名精神分裂症患者和27名健康对照.
- 管理情绪强度识别任务 (EIRT) 来评估情绪识别和强度感知能力.
- 分析行为和神经成像数据,以确定大脑活动和表现的差异.
主要成果:
- 精神分裂症患者在识别惊喜,快乐,悲伤,恐惧和中立表达时犯了更多错误.
- 精神分裂症患者对快乐的面部表情的反应时间较慢.
- 在精神分裂症患者的下,和前带带膜区域观察到低活化.
- 杏仁体活化降低与精神分裂症中恐惧识别受损相关.
结论:
- 在精神分裂症中面部情绪处理缺陷是特定于情绪的.
- 体,体和带膜区域的活化减少可能导致精神分裂症症状.
- 在精神分裂症中,杏仁体功能受损与处理恐惧的缺陷有关.
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