在隐蔽的大脑小血管疾病中,执行功能和处理速度
Hanna Jokinen1,2, Hanna M Laakso2, Anne Arola2
1Division of Neuropsychology, Neurocenter, Helsinki University Hospital and University of Helsinki, Helsinki, Finland.
European journal of neurology
|October 30, 2024
概括
计算机认知测试比传统测试更好地检测大脑小血管疾病 (cSVD) 中的执行功能障碍. 数字评估显示认知障碍,白质超强度 (WMHs) 和日常功能之间的联系更为强烈.
科学领域:
- 神经科学是一个神经科学.
- 老年学是指老年学的学科.
- 认知心理学 认知心理学
背景情况:
- 大脑小血管疾病 (cSVD) 的特点是执行功能障碍和处理速度减慢.
- cSVD对执行职能子域的差异性影响尚不清楚.
- 计算机化测试与传统认知测试在早期cSVD检测中的敏感性需要调查.
研究的目的:
- 检查执行功能子组件 (认知灵活性,抑制控制,工作记忆),处理速度,白质超强度 (WMHs) 和日常生活工具活动 (IADL) 之间的关联.
- 为了比较计算机认知测试与传统神经心理测试在检测与cSVD相关的认知变化的灵敏度.
主要方法:
- 赫尔辛基小血管疾病研究包括152名没有中风或痴呆症的老年人.
- 用自动化WMH体积测量和全面的神经心理测试进行了脑部MRI.
- 认知评估包括纸笔测试和计算机化任务 (灵活的注意力测试,西蒙任务,持续的注意力响应任务).
主要成果:
- WMH体积和IADL与各种认知指标有显著的关联,独立于人口统计数据.
- 计算机化测试,包括灵活注意力测试 (FAT) 和西蒙任务,与一些传统测试相比,显示出更高的效果大小.
- 某些广泛使用的测试,如Stroop抑制和数字跨度,与WMHs或IADL没有显著的关联.
结论:
- 执行功能子域和处理速度与cSVD中的功能能力和WMH严重程度有关.
- 评估方法的选择显著影响到cSVD中认知缺陷的检测.
- 与传统方法相比,数字认知测试在识别与cSVD相关的早期认知变化方面具有更高的灵敏度.
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