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在临床上高危患精神病的个体中,症状尺寸和认知障碍
TianHong Zhang1, LiHua Xu1, YanYan Wei1
1Shanghai Mental Health Center, Shanghai Jiaotong University School of Medicine, Shanghai Engineering Research Center of Intelligent Psychological Evaluation and Intervention, Shanghai Key Laboratory of Psychotic Disorders, Shanghai, China.
负症状 (NS) 显著预测高风险个体的精神病转化. 特定领域的认知障碍与NS和积极症状集群有关,有助于早期检测.
科学领域:
- 精神病学和神经科学 精神病学和神经科学
- 临床心理学 临床心理学
- 认知科学 认知科学
背景情况:
- 早期发现精神病对于干预至关重要.
- 了解临床高风险 (CHR) 个体的症状尺寸和认知障碍至关重要.
- 这项研究调查了CHR样本中症状概况,认知缺陷和精神病转化之间的关系.
研究的目的:
- 在CHR个体中识别症状尺寸和集群.
- 检查这些症状组与认知障碍之间的关联.
- 根据症状概况和认知表现来预测转化为精神病.
主要方法:
- 对744名CHR个体进行了认知评估.
- 使用因子分析分析症状概况,并将其分类为负症状 (NS),积极症状-压力和积极症状-奇异.
- 隐性类分析 (LCA) 和因子混合模型 (FMM) 在3年的随访期间确定了症状集群.
主要成果:
- 主导的NS组显示了显著更高的精神病转化率.
- 视觉空间记忆和迷宫测试的性能下降预测了转换.
- 在NS的认知缺陷和积极的症状压力小组影响了不同的认知领域.
结论:
- 负面症状在精神病的发展中至关重要.
- 在CHR个体中,特定的认知领域受到症状尺寸的差异影响.
- 这些发现支持针对性认知评估,以预测精神病风险.
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