在南非的病例对照研究中,精神分裂症认知表现的个体内变化的预测因素在南非的病例对照研究中
Olivia Wootton1, Shareefa Dalvie2, Rae MacGinty3
1Department of Psychiatry and Neuroscience Institute, University of Cape Town, Cape Town, South Africa.
Acta neuropsychiatrica
|June 21, 2023
概括
精神分裂症的认知功能障碍,通过表现速度的个体内变化 (WIV) 来衡量,在南非更高. 增加速度WIV与精神分裂症患者的年龄较大和教育程度较低有关.
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.
- 认知心理学 认知心理学
背景情况:
- 精神分裂症与认知功能障碍有关,通常通过认知测试表现的个体内可变性 (WIV) 来评估.
- 之前的研究表明精神分裂症的WIV升高,但低收入和中等收入国家缺乏研究.
- 在不同的环境中,社会文化因素可能会影响WIV,需要特定环境的研究.
研究的目的:
- 在南非人口中调查WIV和精神分裂症之间的关系.
- 在精神分裂症患者中探索WIV和人口/临床变量之间的关联.
主要方法:
- 利用宾夕法尼亚大学计算机化神经认知电池 (PennCNB) 对544名精神分裂症患者和861名对照进行了研究.
- 计算跨任务WIV,以提高性能速度和准确性.
- 采用多变量线性回归来分析WIV与诊断和临床/人口因素的关系.
主要成果:
- 性能速度显著更高的WIV与精神分裂症诊断有关.
- 在精神分裂症患者中,增加速度的WIV与年龄较大,教育程度较低和全球功能评估得分较低相关.
- 精度增加 WIV 与精神分裂症患者年龄较小有关.
结论:
- 性能速度的WIV是理解精神分裂症认知功能障碍的有价值指标,即使在资源有限的环境中也是如此.
- 调查结果强调了在全球范围内考虑WIV在精神分裂症研究中的重要性,适应当地环境.
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