语言网络的动态神经可塑性:双语和的交叉点
Alena Stasenko1, Erik Kaestner2, Adam J Schadler2
1Department of Psychiatry, University of California, San Diego, CA 92093.
概括
双语大脑表现出了显著的灵活性. 第二语言 (L2) 网络通过在相反的半球加强以适应神经损伤,与第一语言 (L1) 网络不同.
科学领域:
- 神经科学是一个神经科学.
- 认知科学 认知科学
- 神经语言学是一种神经语言学.
背景情况:
- 双语影响大脑组织和认知功能.
- 了解神经性侮辱后的语言网络可塑性至关重要.
研究的目的:
- 研究双语患者的语言横向化和网络适应能力.
- 为了比较语言网络组织在双语者与单语者的神经损伤后.
主要方法:
- 功能磁共振成像 (fMRI) 用于评估语言横向化.
- 参与者包括24名双语和46名单语成年人,患有叶.
- 语言横向化与的横向性和语言获取时间的关系被分析.
主要成果:
- 第一个语言 (L1) 在早期的双语者中显示出更多的双边横向化,而不是单语者.
- 第二语言 (L2) 网络动态重组,横向向与发作焦点相反的半球.
- 相对于L2获取,较早的发作发作与左半球中更右侧的L2表现相关.
结论:
- 双语语言网络表现出动态的补偿机制,特别是对于第二语言 (L2).
- 语言获取和神经性侮辱的时间在很大程度上影响了语言网络的组织.
- 双语大脑是一个独特的,适应性的系统,而不仅仅是两个单语系统的组合.
更多相关视频
09:57Author Spotlight: Advancing Pediatric Epilepsy Surgery in Children Through Novel Biomarkers and Enhanced Localization
Published on: September 20, 2024
2.8K
12:49Transcranial Direct Current Stimulation tDCS of Wernicke's and Broca's Areas in Studies of Language Learning and Word Acquisition
Published on: July 13, 2019
17.3K
相关概念视频
01:27Language and Cognition
450
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.
450
01:10Higher Mental Functions of the Brain: Language
1.0K
Language is a system of communication that allows the expression of thoughts, ideas, and feelings. The brain processes language in both hemispheres.
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...
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...
1.0K
01:01Neuroplasticity
791
Neuroplasticity reflects the brain's remarkable capacity to adapt and evolve, responding dynamically to learning, experiences, or injury by reorganizing its neural circuitry. This reorganization involves creating new neural connections and refining old ones through a series of biological processes that contribute to the brain's lifelong development and adaptability.
791
01:28Lateralization
513
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.
513
01:22Language Development
455
Children master language quickly and with relative ease, supported by both biological predisposition and reinforcement. B. F. Skinner (1957) proposed that language is learned through reinforcement, while Noam Chomsky (1965) argued that language acquisition mechanisms are biologically determined.
The critical period for language acquisition suggests that the ability to acquire language is at its peak early in life. As people age, this proficiency decreases. Language development begins very...
The critical period for language acquisition suggests that the ability to acquire language is at its peak early in life. As people age, this proficiency decreases. Language development begins very...
455
01:24Epilepsy and Seizures: Overview
285
Epilepsy is a chronic neurological disease marked by recurrent, unpredictable seizures. These seizures are caused by abnormal electrical discharges in the brain, leading to behavior, sensation, or consciousness alterations. They can also cause transient impairment of awareness, interfering with daily activities.
Various factors can trigger epilepsy, including genetic factors, brain damage, metabolic causes, and unknown etiology. Diagnosis of epilepsy involves electroencephalography (EEG), which...
Various factors can trigger epilepsy, including genetic factors, brain damage, metabolic causes, and unknown etiology. Diagnosis of epilepsy involves electroencephalography (EEG), which...
285