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相关概念视频

Working Memory01:24

Working Memory

166
Working memory refers to a combination of components, including short-term memory and attention, that allow an individual to hold information temporarily as we perform cognitive tasks. It is an essential cognitive function that enables the execution of complex tasks such as problem-solving, comprehension, and reasoning. Unlike short-term memory, which simply involves the storage of information for a brief period, working memory involves the active manipulation and processing of this...
166

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The 4 Mountains Test: A Short Test of Spatial Memory with High Sensitivity for the Diagnosis of Pre-dementia Alzheimer's Disease
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识别和理解多发性硬化症的认知特征:视觉空间记忆功能的作用.

Maureen van Dam1,2, Eva A Krijnen3,4, Ilse M Nauta5

  • 1MS Center Amsterdam, Anatomy and Neurosciences, Vrije Universiteit Amsterdam, Amsterdam Neuroscience, Amsterdam UMC Location VUmc, Amsterdam, The Netherlands. m.vandam2@amsterdamumc.nl.

Journal of neurology
|February 27, 2024
PubMed
概括

多发性硬化症 (MS) 的认知障碍有所不同,形成不同的个人资料. 视觉空间记忆缺陷是了解MS患者这些认知概况和整体认知状态的关键.

关键词:
分类 分类 分类 分类.认知能力 认知能力隐形形象分析分析 隐形形象分析多发性硬化症是多发性硬化症.现象类型 现象类型个人资料 个人资料

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科学领域:

  • 神经科学是一个神经科学.
  • 临床心理学 临床心理学
  • 神经学 神经学

背景情况:

  • 多发性硬化症 (MS) 的认知障碍是高度可变的,使研究和个性化治疗复杂化.
  • 了解MS (PwMS) 患者认知缺陷的潜在机制至关重要.

研究的目的:

  • 在PwMS中识别和分类不同的认知概况.
  • 将这些认知概况与整体认知状态进行比较 (保存与损伤).

主要方法:

  • 隐性概况分析被用来构建认知概况从Z-分数的注意力,抑制,信息处理速度 (IPS),口语流和记忆在1213 PwMS.
  • 渐变增强决策树分类了个人资料和认知状态,评估特征的重要性 (人口统计,临床,认知,心理).

主要成果:

  • 鉴定了六种不同的认知特征,表现出不同的表现和特定的缺陷.
  • 信息处理速度 (IPS) 是所有个人资料中功能受损最严重的功能,认知障碍范围从11.8%到95.3%.
  • 视觉空间记忆是认知特征最重要的分类器 (AUC=0.910),而IPS是认知状态最重要的分类器 (AUC=0.997).

结论:

  • 在MS的认知异质性代表严重程度的连续性,其特点是独特的认知特征.
  • 视觉空间记忆功能的变化是PwMS中这些认知概况和整体认知状态的主要驱动因素.