相关实验视频
Updated: May 30, 2025

Examining Bilingual Language Control Using the Stroop Task
Published on: February 26, 2020
语言和空间注意力的半球共同侧面化降低了双重任务中的表现
1Key Laboratory of Brain Functional Genomics (MOE & STCSM), Affiliated Mental Health Center (ECNU), Institute of Brain and Education Innovation, School of Psychology and Cognitive Science, East China Normal University, Shanghai 200062, China; Shanghai Changning Mental Health Center, Shanghai 200335, China; Shanghai Center for Brain Science and Brain-Inspired Technology, East China Normal University, China.
与共同侧面化相比,典型的大脑侧面化模式改善了双重任务的性能. 这表明典型的大脑组织可以增强认知功能并减少干扰.
科学领域:
- 认知神经科学 认知神经科学
- 神经成像是一种神经成像.
- 神经心理学 神经心理学
背景情况:
- 半球专业化被提出为进化提供优势,但其行为效应和潜在机制尚未完全理解.
- 研究功能横向化及其对认知表现的影响对于理解大脑组织至关重要.
研究的目的:
- 检查不同功能横向化模式 (语言和空间注意力) 如何影响双任务性能.
- 探索横向化模式和状连接之间的关联.
主要方法:
- 功能性磁共振成像 (fMRI) 用于通过口语流和里程碑任务来评估功能横向化.
- 使用扩散权重成像 (DWI) 来评估半球间连接 (状连接).
主要成果:
- 典型的横向化模式导致了整体更好的双任务性能和比共同横向化模式更少的干扰.
- 在共同侧面化和镜像侧面化模式之间没有发现显著的性能差异.
- 两组之间没有观察到状连接的显著差异,但侧面化程度和状连接之间存在负相关性.
结论:
- 结果部分支持功能拥挤假设.
- 该研究提供了对功能重组的神经认知机制的见解,这对于理解脑损伤后的结果尤其重要.
更多相关视频
07:03Evaluation of Hemisphere Lateralization with Bilateral Local Field Potential Recording in Secondary Motor Cortex of Mice
Published on: July 31, 2019
07:44Assessment of Cerebral Lateralization in Children using Functional Transcranial Doppler Ultrasound fTCD
Published on: September 27, 2010
相关概念视频
Lateralization
Language and Cognition
Cerebral Hemispheres
Higher Mental Functions of the Brain: Language
Language formation and comprehension take place in the dominant hemisphere. The dominant hemisphere is responsible for understanding the meaning of spoken, written, or sign language, as well as the ability to communicate. For most people, the left hemisphere is the dominant one. The right hemisphere, then, gives tone and emotional context to the...