重新审视精神分裂症的错觉亚型,基于它们的底层结构
Andrew D van der Vaart1, Yizhou Ma1, Joshua Chiappelli1
1Maryland Psychiatric Research Center, Department of Psychiatry, University of Maryland School of Medicine, Baltimore, MD, USA.
Journal of psychiatric research
|January 21, 2024
概括
精神分裂症谱系障碍 (SSD) 可以根据妄想模式分为不同类型. 偏执性占主导地位的SSD患者表现出较少的认知障碍和较高的大麻使用,这表明不同的临床形状.
科学领域:
- 精神病学是一个精神病学.
- 神经科学是一个神经科学.
- 临床心理学 临床心理学
背景情况:
- 精神分裂症谱系障碍 (SSD) 具有显著的临床异质性,使病理生理学的理解复杂化.
- 在SSD中识别不同的患者个人资料对于有针对性的干预和研究至关重要.
研究的目的:
- 调查SSD中的妄想亚型是否可以划分临床上可区分的患者个人资料.
- 探索幻觉亚型与临床,认知和物质使用特征之间的关系.
主要方法:
- 用因子分析和k-means集群来识别来自Peters等人的妄想因素和患者亚型. 在286名SSD患者的幻觉清单 (PDI-21).
- 用简短的精神病学评分表,简短的负面症状表,认知任务 (数字符号,数字替换) 和药物使用史来评估患者.
主要成果:
- 出现了四种患者亚型:低妄想型,宏大妄想型,偏执妄想型和泛妄想型.
- 偏执的主导和泛妄想亚型的积极症状负担更高;低妄想亚型的负面症状负担更高.
- 偏执主导的患者表现出更好的认知表现和更高的终身大麻使用障碍率; 偏执主导的患者的烟草吸烟严重程度更高.
结论:
- 像PDI-21这样的妄想自我报告清单可以帮助识别SSD中的临床相关子综合征.
- 一种偏执的主导亚型似乎特别独特,其特点是减少认知障碍和与大麻使用有显著的关联.
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