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通过LASSI-L测试测量的语义入侵错误 (SIEs) 与早期阿尔茨海默病 (AD) 和与AD相关的痴呆症 (AD/ADRD) 有关. 这些错误反映了记忆和执行功能缺陷,有助于早期检测.

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科学领域:

  • 认知神经科学 认知神经科学
  • 神经学 神经学
  • 心理测量 心理测量 心理测量

背景情况:

  • 语义入侵错误 (SIEs) 涉及产生语义相关的错误单词.
  • 语义干扰和学习的洛文斯坦-阿塞维多尺度 (LASSI-L) 评估了SIEs.
  • 特殊经历与早期阿尔茨海默病 (AD) 和与AD相关的痴呆症 (AD/ADRD) 有关,这可能表明执行或记忆力缺陷.

研究的目的:

  • 研究LASSI-L测量的SIE与执行职能之间的关系.
  • 为了确定LASSI-L的表现是否可以区分认知上没有受损和受损的个体.
  • 探索LASSI-L在检测早期AD/ADRD相关认知变化的实用性.

主要方法:

  • 评估了45名老年人 (25人没有认知障碍,20人认知障碍/MCI).
  • 参与者在延迟语义源记忆条件下完成了LASSI-L.
  • 线性回归分析了LASSI-L性能与威斯康星州卡片排序测试 (WCST) 之间的关联.

主要成果:

  • 关于LASSI-L和WCST坚持性错误的SIE区分了诊断组.
  • 与SIE相关的WCST坚持性错误与主动语义干扰 (PSI) 相关,并且无法从PSI中恢复.
  • 正确的识别和WCST错误独立预测了结果,解释了超过50%的差异.

结论:

  • 通过LASSI-L评估的SIE反映了源记忆和执行功能的缺陷.
  • 拉西-L为检测微妙的执行功能缺陷提供了传统记忆测试的有希望的替代方案.
  • 对于识别AD/ADRD早期阶段,LASSI-L可能是非常有价值的.