Journal

The Japanese journal of neuropsychology

[Vol.37 No.4 contents]
Japanese/English

Full Text of this Article
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ArticleTitle The relationship between language and the brain: How much do we know about language networks?
Language J
AuthorList Yuichi Higashiyama, Fumiaki Tanaka
Affiliation Department of Neurology and Stroke Medicine, Yokohama City University Graduate School of Medicine
Publication Japanese Journal of Neuropsychology: 37 (4), 272-290, 2021
Received
Accepted
Abstract The Wernicke-Geschwind model, comprising the Broca's area, the Wernicke's area, the angular gyrus, and the arcuate fasciculus, is widely known as a brain language model. However, with the accumulation of case studies with detailed neuroimaging and advances in neuroscience such as functional brain imaging, it has become clear that various brain regions other than Broca's and Wernicke's area are involved in human language functions. Furthermore, physical models using diffusion MRI have enabled us to evaluate the detailed anatomical properties of human white matter. Accordingly, the brain is now considered a network consisting of many functional areas and complex white matter fibers that bridge each other. In this chapter, we outline new language models and their perspectives.
Keywords language, aphasia, network

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