Impairment of Speech Production Predicted by Lesion Load of the Left Arcuate Fasciculus | Zendy

Sarah Marchina | Zendy; Lin Zhu | Zendy; Andrea Norton | Zendy; Lauryn Zipse | Zendy; Catherine Y. Wan | Zendy; Gottfried Schlaug | Zendy

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Impairment of Speech Production Predicted by Lesion Load of the Left Arcuate Fasciculus

Author(s) -

Sarah Marchina,

Lin Zhu,

Andrea Norton,

Lauryn Zipse,

Catherine Y. Wan,

Gottfried Schlaug

Publication year - 2011

Publication title -

stroke

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.397

H-Index - 319

eISSN - 1524-4628

pISSN - 0039-2499

DOI - 10.1161/strokeaha.110.606103

Subject(s) - arcuate fasciculus , lesion , medicine , fasciculus , superior longitudinal fasciculus , uncinate fasciculus , aphasia , audiology , anatomy , diffusion mri , pathology , radiology , magnetic resonance imaging , tractography , fractional anisotropy , psychiatry

Previous studies have suggested that patients' potential for poststroke language recovery is related to lesion size; however, lesion location may also be of importance, particularly when fiber tracts that are critical to the sensorimotor mapping of sounds for articulation (eg, the arcuate fasciculus) have been damaged. In this study, we tested the hypothesis that lesion loads of the arcuate fasciculus (ie, volume of arcuate fasciculus that is affected by a patient's lesion) and of 2 other tracts involved in language processing (the extreme capsule and the uncinate fasciculus) are inversely related to the severity of speech production impairments in patients with stroke with aphasia.

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