Language Clinical Trial
Official title:
Mechanism of Aphasia and Recovery of Language After the Injury of Geschwind's Territory: a Study Based on the Brain Network Analysis
At present, functional imaging studies have suggested that the Geschwind's territory (the inferior parietal lobe) is an important language area. It is the hub for semantics and phonetic language processing. However, the type and mechanism of aphasia after injury of Geschwind's territory and the subsequent recovery of language are still unclear. In our study based on brain injury model of brain arteriovenous malformation (BAVMs) resection, investigators found that the incidence of aphasia was higher after the injury of Geschwind's territory than after injury of the classical language area, and the type of aphasia was complicated, while the recovery rate of language disorder was high during follow-up. Investigators hypothesized that the type of aphasia may be associated with the type of brain connectivity damaged, and that reorganization of brain connections and brain network promote the recovery of language function. In this study, we aim to investigate the types of aphasia and their corresponding brain network changes after the resection of BAVMs located in the Geschwind's territory. Investigators will evaluate language function and collect multimodality images of the patients before resection of the lesions, as well as 7 days, 3 months and 6 months afterwards. In addition, the anatomical brain connectivity and brain network will also be analyzed. Our research will not only be a meaningful exploration for mechanisms of human language function damage and reorganization, but will also provide an important basis for the protection of brain function in neurosurgery.
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