在精神分裂症谱系障碍中对社会尬的神经反应发生变化
Emily Przysinda1,2, Bridget Shovestul3, Abhishek Saxena3
1University of Rochester School of Medicine and Dentistry, Rochester, NY 14642, United States.
Social cognitive and affective neuroscience
|December 10, 2024
概括
精神分裂症谱系障碍 (SSD) 患者在观看尬的社交场合时,在社会认知网络中显示出大脑活动减少. 这可能解释了他们对社会理解和运作的困难.
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.
- 社会认知是指社会认知.
背景情况:
- 患有精神分裂症谱系障碍 (SSD) 的人在社会信息处理方面表现出重大挑战,特别是在精神状态归因方面,称为心灵理论 (ToM).
- 现有的研究将这些 ToM 缺陷与支持这些认知功能的神经网络中的干扰联系起来.
- 然而,研究往往缺乏使用自然主义刺激来更好地反映现实世界的社会互动.
研究的目的:
- 研究ToM网络如何响应动态和复杂的社会信息,特别是社会上尬的时刻,与对照组相比,在SSD患者中.
- 通过使用自然主义刺激,探索SSD中社会信息处理缺陷的神经基础.
主要方法:
- 功能性磁共振成像 (fMRI) 用于监测SSD和非SSD控制的个体的大脑活动.
- 参与者观看了电视节目"办公室"的节目,这是自然主义社会内容的来源,包括尬的情况.
- 分析的重点是介质前额叶皮层对ToM网络中的时刻尬和功能连接的反应.
主要成果:
- 与对照人群相比,SSD患者的中部前额叶皮质对瞬间尬的跟踪能力有所减少.
- 在SSD患者中观察到,ToM网络内的功能连接性普遍下降.
- 在尬时刻的神经反应和功能连接水平与精神病体验的严重程度和SSD个体的整体社会功能相关.
结论:
- 在自然,社会尬的情况下,SSD患者似乎未充分利用ToM网络的关键区域.
- 这种未能招募ToM网络可能是SSD中观察到的社会理解困难和社会功能受损的基础.
- 这项研究强调了自然刺激在理解精神分裂症谱系障碍中社会认知缺陷方面的重要性.
关键词:
精神分裂症是一种精神分裂症.功能磁力共振成像 (fMRI) 是一种功能共振成像.功能连接性的功能连接性精神错乱是一种精神病.社会认知 (social cognition) 是一种社会认知.思想的思想理论的理论.更多相关视频
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