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Association of Lesion Location With Long-Term Recovery in Post-stroke Aphasia and Language Deficits
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Abstract:
Background: Recovery from post-stroke aphasia is important for performing the activities of daily life, returning to work, and quality of life. We investigated the association between specific brain lesions and the long-term outcome of four dimensions of aphasia: fluency, comprehension, naming, and repetition 12 months after onset in patients with stroke. Methods: Our retrospective cross-sectional observational study investigated the relationship between the Korean version of the Western Aphasia Battery scores in 31 stroke patients 1 year after the onset of stroke and stroke lesion location. Brain lesions were assessed using voxel-based lesion symptom mapping (VLSM) in conjunction with magnetic resonance imaging. Results: Damage to the Rolandic cortex, Heschl's gyrus, the posterior corona radiata, supramarginal cortex, superior longitudinal fasciculus, superior temporal gyrus, and insula was associated with a low total AQ score. Lesions in the inferior triangularis and inferior operculum of the frontal cortex, supramarginal cortex, and insula were associated with a poor fluency outcome. Damage to the parietal cortex, angular cortex, temporal middle cortex, sagittal stratum, and temporal superior cortex was associated with poor recovery of comprehension skills. Lesions in the angular cortex, supramarginal cortex, posterior corona radiata, superior longitudinal fasciculus, internal capsule, temporal superior cortex, and temporal middle cortex were associated with poor recovery of naming in patients with stroke. Damage to the superior temporal cortex, posterior corona radiata, and superior longitudinal fasciculus was associated with poor recovery of repetition component. Conclusions: We identified specific brain lesions associated with long-term outcomes in four dimensions of aphasia, in patients with post-stroke aphasia. Our findings may be useful for advancing understanding for the pathophysiology of aphasia in stroke patients.
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Keyword:
Neurology
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URL: http://www.ncbi.nlm.nih.gov/pubmed/31396146
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6668327/
https://doi.org/10.3389/fneur.2019.00776
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Additional file 1: of Innovation in neglected tropical disease drug discovery and development ...
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Additional file 1: of Innovation in neglected tropical disease drug discovery and development ...
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Cooperative Cortical Network For Categorical Processing Of Chinese Lexical Tone ...
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Cooperative Cortical Network For Categorical Processing Of Chinese Lexical Tone ...
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Cooperative cortical network for categorical processing of Chinese lexical tone
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The Prognosis and Recovery of Aphasia Related to Stroke Lesion
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Neurological Complication After Low-Voltage Electric Injury: A Case Report
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Effect of Low-Frequency rTMS on Aphasia in Stroke Patients: A Meta-Analysis of Randomized Controlled Trials
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A Survey of Stakeholder Theory
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In: Cross-Cultural Communication; Vol 2, No 3 (2006): Cross-Cultural Communication; 38-42 ; 1923-6700 ; 1712-8358 (2010)
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Effect of Low-Frequency rTMS on Aphasia in Stroke Patients: A Meta-Analysis of Randomized Controlled Trials
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