ISSN 1671-3710
CN 11-4766/R
主办:中国科学院心理研究所
出版:科学出版社

心理科学进展 ›› 2021, Vol. 29 ›› Issue (10): 1740-1754.doi: 10.3724/SP.J.1042.2021.01740

• 研究方法 • 上一篇    下一篇

大脑电刺激在听觉语言加工研究中的应用

马敏璇, 李文婕, 秦梦玲, 韦耀鸿, 谭倩宝, 沈路, 陈骐, 韩彪()   

  1. 华南师范大学心理学院; 教育部脑认知与教育科学重点实验室(华南师范大学); 华南师范大学心理应用研究中心; 华南师范大学广东省心理健康与认知科学重点实验室, 广州 510631
  • 收稿日期:2020-09-18 出版日期:2021-10-15 发布日期:2021-08-23
  • 基金资助:
    国家自然科学基金青年基金项目(32000741);广东省自然科学基金面上项目(2021A1515011100);广东省区域联合基金青年基金项目(2020A1515110223);广东省普通高校青年创新人才项目(2020KQNCX020);广州市基础研究计划基础与应用基础研究项目(202102020761);国家自然科学基金青年基金项目(32000785);广东省自然科学基金面上项目(2021A1515011185);广州市基础研究计划基础与应用基础研究项目(202102020274)

Application of electrical brain stimulation in the auditory language processing

MA Minxuan, LI Wenjie, QIN Mengling, WEI Yaohong, TAN Qianbao, SHEN Lu, CHEN Qi, HAN Biao()   

  1. School of Psychology, South China Normal University; Key Laboratory of Brain, Cognition and Education Sciences (South China Normal University), Ministry of Education; Center for Studies of Psychological Application, South China Normal University; Guangdong Key Laboratory of Mental Health and Cognitive Science, South China Normal University, Guangzhou 510631, China
  • Received:2020-09-18 Online:2021-10-15 Published:2021-08-23

摘要:

大脑电刺激是历史悠久但近年来才广泛应用在人类被试上的实验技术。通过对颅内刺激位点进行电刺激, 并分析引发的暂时性行为功能变化和记录位点的电位活动, 大脑电刺激技术可以揭示认知加工过程中脑区内的功能作用与脑区间的有效连接。通过对听觉语言加工过程相关的丘脑、听觉皮层、高级语言皮层进行电刺激, 现有研究发现了各个脑区的不同功能特点以及不同脑区间的信息传递机制, 为进一步探索听觉语言加工的神经机制提供了新的视角。

关键词: 大脑电刺激, 听觉语言加工, 有效连接

Abstract:

Auditory language comprehension plays an important role in interpersonal communication in daily life, however, we still do not fully understand its underlying neural mechanisms. Electrical brain stimulation (EBS) is an experimental technique with a very long history but has only recently been widely used on human subjects. By performing electrical stimulation, analyzing the induced transient behavioral functional changes and recording the neural activity, it is possible to directly reveal the functional roles within brain regions and the effective connections between brain areas during auditory language processing. Electrical brain stimulation offers a very high spatial and temporal resolution and employs recording electrodes that can reach deep into subcortical areas. Given these unique advantages, electrical brain stimulation has received increasing research interest in recent years.

Auditory language processing is a fairly complex process and involves a wide range of brain areas. In general, the process of auditory language processing in the brain is as follows: incoming speech from the external environment enters the thalamus, which then passes to the auditory cortex (AC) for primary processing of acoustic-phonological information, followed by more advanced language processing in the temporal and frontal language areas. In addition, frontal language areas may also generate speech-related predictions that feedback to temporal language areas to facilitate auditory language processing. Electrical brain stimulation allows relatively flexible cortical or subcortical stimulation in subjects who were performing an auditory language task. By comparing the differences in task performance before and after electrical stimulation, the relationship between stimulated brain areas and cognitive function could be analyzed and thus the distribution of functionally relevant areas could be mapped. Besides, electrical brain stimulation, as a means to reflect effective connections between brain areas, can also reveal the functional connections during auditory language processing. Therefore, this paper, from the perspective of auditory language processing, is divided into three parts: thalamus and auditory cortex, auditory language processing within auditory cortex, and higher language cortex and auditory cortex. By reviewing the available studies on electrical brain stimulation during auditory language processing, the functional characteristics of the brain areas involved in auditory language processing and the information transfer mechanisms between different brain areas are summarized, providing a new perspective for further exploring the mechanisms of auditory language processing and the application of electrical brain stimulation techniques in the study of brain function. Electrical brain stimulation has broad application prospects in auditory language research, and the increased application of this technique will also bring more causal evidence on the brain function and connectivity, providing the possibility of further understanding the neural mechanisms of auditory language processing.

Key words: electrical brain stimulation, auditory language processing, effective connectivity

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