相关实验视频
Updated: Jun 3, 2025

05:31
Examining Bilingual Language Control Using the Stroop Task
Published on: February 26, 2020
14.6K
在具有MCI的双语者中,将语言切换与执行控制分开
Marco Calabria1, Anna Suades2, Montserrat Juncadella2
1Faculty of Health Sciences, Universitat Oberta de Catalunya, Barcelona, Spain.
概括
轻度认知障碍 (MCI) 影响双语语言控制,增加语言任务的切换成本. 然而,这些语言缺陷与MCI患者的执行控制任务表现没有直接联系.
科学领域:
- 认知神经科学 认知神经科学
- 心理语言学 心理语言学
- 神经学 神经学
背景情况:
- 双语语言控制管理语言之间的切换和干扰.
- 神经退行性疾病可能会影响双语能力.
- 脑神经退行 (MCI) 对双语词汇检索的影响尚不清楚.
研究的目的:
- 调查轻度认知障碍 (MCI) 是否影响双语者的语言切换和词汇检索.
- 确定MCI中语言控制缺陷是特定于领域的还是与执行控制 (EC) 相关的.
主要方法:
- 通过语言切换任务评估了患有MCI的加泰罗尼亚语-西班牙语双语者 (n=28) 和健康的老年人 (n=40).
- 管理了四个非语言执行控制 (EC) 任务:任务切换,n-back,空间Stroop和侧边任务.
- 分析了语言任务中的切换成本和混合成本以及EC任务中的表现.
主要成果:
- 与对照组相比,MCI患者的转换成本显著增加.
- 患有MCI的患者在n-back任务中表现更差,在任务交换任务中表现更慢.
- 在语言切换性能和EC任务性能之间没有发现显著的相关性.
结论:
- MCI可能独立地影响反应性语言控制机制.
- 在MCI中语言控制缺陷不一定与执行控制缺陷有关.
- 在神经退行性疾病中,双语语言控制和执行控制可能不完全重叠.
更多相关视频
相关概念视频
Language and Cognition
321
Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
321
Lateralization
303
Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.
303
Cerebral Hemispheres
297
The human brain, a complex organ, is functionally divided into two cerebral hemispheres—left and right. These hemispheres are interconnected by a structure of paramount importance, the corpus callosum. This substantial bundle of neural fibers is not just a bridge between the hemispheres but a crucial element for the brain's comprehensive functioning. It enables efficient communication between the two hemispheres, allowing each side of the brain to control and receive sensory and motor...
297
Dissociative Disorders
25
Dissociative disorders represent complex psychological conditions characterized by disruptions in consciousness, memory, identity, or perception. These disruptions cause individuals to experience a disconnection from their thoughts, emotions, and memories. The phenomenon is not merely an occasional lapse in attention but a profound alteration in mental functioning that can severely impact daily life.
Dissociative Fugue
A hallmark feature of dissociative disorders is the dissociative fugue...
Dissociative Fugue
A hallmark feature of dissociative disorders is the dissociative fugue...
25

