揭示执行职能对ALS语言障碍的贡献
Barbara Poletti1,2, Edoardo Nicolò Aiello1, Beatrice Curti1
1Department of Neurology and Laboratory of Neuroscience, IRCCS Istituto Auxologico Italiano, Milano, Italy.
概括
像抑制和设置转移这样的执行功能在肌缩侧面硬化症 (ALS) 中显著影响语言缺陷. 在ALS中,声学语言流性问题主要与执行功能障碍有关.
科学领域:
- 神经学 神经学
- 认知科学 认知科学
- 语言学的语言学.
背景情况:
- 肌缩侧面硬化症 (ALS) 是一种进展性神经退行性疾病,影响运动神经元.
- 认知和行为障碍,包括执行功能和语言缺陷,在ALS患者中很常见,即使是那些没有痴呆症的人.
- 了解执行功能和语言之间的相互作用对于描述ALS的认知特征至关重要.
研究的目的:
- 研究非痴呆性ALS患者执行功能缺陷和语言障碍之间的关联.
- 为了确定预测语言缺陷的特定执行功能.
- 检查执行和语言表现如何影响ALS的语音语言流性.
主要方法:
- 一组299名非痴呆性ALS患者使用爱丁堡认知和行为ALS屏幕 (ECAS) 进行了评估.
- 用物流回归模型来分析执行功能 (ECAS-EF) 和语言任务 (ECAS-L) 之间的关系.
- 其他模型评估了ECAS-L和ECAS-EF对语音口语流 (PVF) 任务的影响,控制了人口,运动和精神病因素.
主要成果:
- 在ALS患者中,命名和理解能力受损与完成句子任务的表现较差有关.
- 拼写缺陷与任务交换 (交替) 措施的得分较低有关.
- 语音口语流性障碍的预测是减少后向数字跨度和句子完成分数.
结论:
- 抑制性控制和设置转移能力是ALS语言障碍的关键决定因素.
- 执行功能障碍显著导致ALS患者的语音口语流性缺陷.
- 这些发现突出了ALS认知谱中执行功能和语言之间的复杂关系.
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