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The neural substrates of improved phonological processing following successful treatment in a case of phonological alexia and agraphia.


ABSTRACT: Phonological deficits are common in aphasia after left-hemisphere stroke, and can have significant functional consequences for spoken and written language. While many individuals improve through treatment, the neural substrates supporting improvements are poorly understood. We measured brain activation during pseudoword reading in an individual through two treatment phases. Improvements were associated with greater activation in residual left dorsal language regions and bilateral regions supporting attention and effort. Gains were maintained, while activation returned to pre-treatment levels. This case demonstrates the neural support for improved phonology after damage to critical regions and that improvements may be maintained without markedly increased effort.

SUBMITTER: DeMarco AT 

PROVIDER: S-EPMC5843561 | biostudies-literature | 2018 Feb

REPOSITORIES: biostudies-literature

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The neural substrates of improved phonological processing following successful treatment in a case of phonological alexia and agraphia.

DeMarco Andrew T AT   Wilson Stephen M SM   Rising Kindle K   Rapcsak Steven Z SZ   Beeson Pélagie M PM  

Neurocase 20180119 1


Phonological deficits are common in aphasia after left-hemisphere stroke, and can have significant functional consequences for spoken and written language. While many individuals improve through treatment, the neural substrates supporting improvements are poorly understood. We measured brain activation during pseudoword reading in an individual through two treatment phases. Improvements were associated with greater activation in residual left dorsal language regions and bilateral regions support  ...[more]

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