在帕金森病中处理动作动词的灵活性
Chiara Giacobbe1, Chiara Baiano1, Carmine Vitale2,3
1Department of Psychology, University of Campania "Luigi Vanvitelli", Caserta, Italy.
概括
帕金森病患者表现出上下文依赖的行动语言处理,运动系统的参与因任务需求而异. 这支持灵活的嵌入式认知模型,而不是自动模型.
科学领域:
- 认知神经科学 认知神经科学
- 神经学 神经学
- 语言学的语言学.
背景情况:
- 帕金森病 (PD) 影响运动控制,并可能影响认知功能,包括语言处理.
- 了解PD如何影响语义处理,特别是与行动相关的单词,对于理解疾病的认知特征至关重要.
- 嵌入式认知理论提出,语言理解需要重新激活感官运动系统.
研究的目的:
- 与健康对照组 (HCs) 相比,研究帕金森病 (PD) 中的行动语言处理.
- 要确定运动系统参与处理动作动词是否受到明确与隐性任务需求的影响.
- 在灵活的体内认知框架内评估PD的语义处理差异.
主要方法:
- 31名PD患者和31名HC患者在语义判断 (SJ) 和字母检测 (LD) 任务上的性能 (反应时间,准确性) 的比较.
- 参与者处理了动作动词和抽象动词.
- 分析了任务类型 (明确与隐含) 如何影响不同动词类型的处理.
主要成果:
- 患有PD的患者表现出较慢的反应时间和较低的准确性,对于动作动词与抽象动词,但仅在明确的SJ任务.
- 在SJ任务中,反应时间较慢与语言,执行功能和疾病进展有关.
- 在隐式LD任务中,执行函数预测了动作动词的反应时间较慢,而注意力则预测了抽象动词的反应时间较慢.
结论:
- 研究结果表明,运动系统参与动作语言处理是PD的上下文依赖.
- 这支持一种灵活的,而不是自动的,对概念语义处理的体现方法.
- 任务需求显著调节了PD患者处理行动相关语言的方式.
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