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在精神分裂症中受损的2.5-Hz听觉平稳状态响应
Wenpeng Hou1, Xiangqin Qin1, Yanbing Xiong2
1Beijing Key Laboratory of Mental Disorders, National Clinical Research Center for Mental Disorders & National Center for Mental Disorders, Beijing Anding Hospital, Capital Medical University, Beijing 100088 China; Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing 100069 China.
精神分裂症患者在三角波段中表现出受损的听觉平稳状态反应 (ASSR). 这种2.5赫兹的ASSR缺陷是精神分裂症诊断的潜在客观生物标志物.
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.
- 审计处理 审计处理
背景情况:
- 三角波段振荡 (1-4 Hz) 对于语音识别至关重要.
- 在精神分裂症中观察到受损的三角波段活动.
- 这项研究研究了精神分裂症2.5-Hz听觉稳定状态响应 (ASSR).
研究的目的:
- 为了研究精神分裂症中2.5-Hz ASSR的损伤.
- 检查2.5-Hz ASSR与听觉认知指标,临床症状和多域认知的相关性.
- 评估2.5-Hz ASSR在精神分裂症中的诊断价值.
主要方法:
- 与30名精神分裂症患者和30名健康对照人进行的横截面研究.
- 评估了2.5-Hz和40-Hz的ASSR和不匹配负面性 (MMN).
- 使用了正负综合征量表 (PANSS) 和 MATRICS 共识认知电池 (MCCB).
主要成果:
- 与对照组相比,精神分裂症患者的2.5-Hz ASSR试验间一致性 (ITC) 显著降低 (P=0.012).
- 只有2.5赫兹的ASSR ITC能够以61.7%的准确度区分群体.
- 在2.5-Hz ASSR ITC和MMN,临床症状或精神分裂症患者的认知措施之间没有发现显著的相关性.
结论:
- 在精神分裂症中,听觉系统的三角波段振荡带入缺陷是明显的.
- 2.5赫兹的ASSR是精神分裂症诊断的有价值的客观生物标志物.
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