精神病临床高风险的人是否存在认知亚型? 来自欧盟-GEI研究的结果
George Gifford1,2, Alessia Avila3,4, Matthew J Kempton2
1Department of Psychiatry, University of Oxford, Oxford, UK.
Schizophrenia bulletin
|July 25, 2024
概括
这项研究在临床高危精神病 (CHR-P) 个体中没有发现明显的认知亚型. 在这个样本中,认知表现没有被分为与功能或结果相关的有意义的组.
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.
- 认知科学 认知科学
背景情况:
- 认知缺陷与临床高危精神病 (CHR-P) 个体的社会职业功能有关.
- 之前的研究表明,CHR-P人群中存在潜在的认知亚型.
研究的目的:
- 调查CHR-P个体的认知数据聚类是否揭示了临床上有意义的亚型.
- 通过检查功能,精神病症状和神经成像数据来验证任何已识别的认知亚型.
主要方法:
- 采用291名CHR-P受试者的认知数据的k-平均值和基于密度的空间聚类.
- 通过比较功能,精神病症状,过渡结果和灰质量来验证集群.
- 利用网络分析来探索认知和临床措施之间的关系.
主要成果:
- 在认知数据中没有发现固有的集群结构.
- 通过K-means集群,我们得出了"幸免"和"受损"的组,但这些组与功能,症状或灰色物质体积没有显著的关联.
- 网络分析揭示了用于认知和临床/功能测量措施的单独子网络.
结论:
- 在这个CHR-P样本中没有发现明显的认知亚型的证据.
- 在CHR-P中从无监督学习中推断认知亚型时,建议谨慎.
- 未来的研究应该探索在CHR-P群体中潜在的亚型的更广泛的认知领域.
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