超越语言:初级渐进性失言症中的同理心和情绪识别缺陷
Giulia Giacomucci1, Alice Pieri2, Valentina Moschini3
1Department of Neuroscience, Psychology, Drug Research and Child Health, University of Florence, Florence, Italy.
NeuroImage. Clinical
|August 2, 2025
概括
初级渐进性失言症 (PPA) 变体表现出同情心和情绪识别缺陷. 语义变异PPA (sv-PPA) 患者表现出最严重的情绪识别障碍.
科学领域:
- 神经学 神经学
- 认知神经科学 认知神经科学
- 心理学 心理学 心理学
背景情况:
- 初级渐进性失言症 (PPA) 主要被视为一种语言障碍.
- 新出现的证据表明,在PPA变体中存在社会认知缺陷.
研究的目的:
- 在语义 (sv-PPA),逻辑 (lv-PPA) 和非流利 (nfv-PPA) 变体中调查同情和情感识别障碍.
- 用[18F]FDG-PET.来识别这些缺陷的神经相关性.
主要方法:
- 包括11名sv-PPA,34名lv-PPA,11名nfv-PPA患者和34名健康对照.
- 通过人际反应指数 (IRI) 评估同情心,并通过Ekman 60Faces (EK-60F) 测试识别情绪.
- 使用[18F]FDG-PET.测量大脑代谢活动.
主要成果:
- 所有的PPA变体都显示出视角的减少 (认知同情) 和个人痛苦的增加 (情绪传染).
- 语义变异PPA (sv-PPA) 患者在情绪识别方面表现出最显著的缺陷,其次是lv-PPA.
- 在sv-PPA和lv-PPA中观察到情绪识别得分和大脑新陈代谢之间的相关性,涉及到关键的大脑区域.
结论:
- PPA变体表现出明显的社会认知障碍模式,特别是在同理心和情感识别方面.
- 缺陷与参与处理社会和情感信息的特定神经网络有关.
- 调查结果强调了在PPA诊断和管理中评估社会认知的重要性.
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