词汇多样性和精神分裂症中的其他语言措施:与负面症状和神经认知表现的关联
Michael T Compton, Benson S Ku1, Michael A Covington2
1Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta.
The Journal of nervous and mental disease
|May 31, 2023
概括
精神分裂症和负面症状的个体表现出语言生产和词汇多样性的减少. 这些语言测量与负面症状和神经认知缺陷相关,特别是在工作记忆中.
科学领域:
- 心理语言学 心理语言学
- 临床心理学 临床心理学
- 神经科学是一个神经科学.
背景情况:
- 精神分裂症与负面症状和神经认知障碍有关.
- 语言测量可以提供对这些缺口的见解.
研究的目的:
- 研究精神分裂症患者和健康对照人群之间的语言差异.
- 探索语言变量,负面症状和神经认知之间的相关性.
主要方法:
- 对比98名精神分裂症患者和101名对照人进行口语和写作任务.
- 评估语言产量 (词数) 和词汇多样性 (类型-令牌比).
- 与负症状尺度和神经认知测试相关的语言测量.
主要成果:
- 与对照组相比,精神分裂症患者表现出明显减少的语言生产和词汇多样性.
- 单词计数显示出最强的效果 (科恩的d = 0.68).
- 语言测量与负面症状 (alogia,avolition-apathy,anhedonia-asociality) 和神经认知领域 (工作记忆,口头学习,流利性) 相关联.
结论:
- 简单的语言测量可以表明精神分裂症的语言生产减少和词汇多样性.
- 这些措施与负面症状和认知障碍有关.
- 需要进一步研究纵向变化和物质的评估实用性.
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