Diffusion tensor imaging studies on arcuate fasciculus in stroke patients: a review

Title
Diffusion tensor imaging studies on arcuate fasciculus in stroke patients: a review
Author(s)
장성호
Keywords
WERNICKE-GESCHWIND MODEL; CONDUCTION APHASIA; LANGUAGE PATHWAYS; FUNCTIONAL CONNECTIVITY; DEPICTING DAMAGE; MR TRACTOGRAPHY; HUMAN BRAIN; RECOVERY; EPIDEMIOLOGY; IMPAIRMENT
Issue Date
201311
Publisher
FRONTIERS RESEARCH FOUNDATION
Citation
FRONTIERS IN HUMAN NEUROSCIENCE, v.7
Abstract
Aphasia is one of the most common and devastating sequelae of stroke. The arcuate fasciculus (AF), an important neural tract for language function, connects Broca's and Wernicke's areas. In this review article, previous diffusion tensor imaging (DTI) studies on the AF in stroke patients were reviewed with regard to the usefulness for diagnosis (seven studies), prediction of prognosis (two studies), and recovery of aphasia (three studies). Although scant studies on this topic have been conducted in stroke patients, DTI for the AF appears to provide useful information on the presence or severity of injury of the AF, prognosis prediction of aphasia, and recovery mechanisms of aphasia in stroke patients. Therefore, further DTI studies on these topics should be encouraged, especially studies on prognosis prediction and recovery mechanisms of aphasia. In addition, research on other neural tracts known to be involved in aphasia as well as the AF in both hemispheres should be encouraged.
URI
http://hdl.handle.net/YU.REPOSITORY/28500http://dx.doi.org/10.3389/fnhum.2013.00749
ISSN
1662-5161
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의과대학 > 재활의학교실 > Articles
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