The contrast between cueing and/or observation in therapy for verb retrieval in post-stroke aphasia.

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The contrast between cueing and/or observation in therapy for verb retrieval in post-stroke aphasia.

J Commun Disord. 2015 Mar-Apr;54:43-55

Authors: Routhier S, Bier N, Macoir J

Abstract
BACKGROUND: Studies measuring treatment efficacy for post-stroke verb anomia are scarce. These studies mainly assessed the efficacy of three strategies: semantic, phonological and sensorimotor. Following these previous treatments, the performance of most participants improved on treated verbs, while improvement on untreated stimuli and tasks was inconsistent.
AIMS: This study aimed to measure the effectiveness of a semantic-phonological strategy and a sensorimotor strategy for verb anomia in post-stroke aphasia.
METHODS: A multiple baseline single-subject experimental study was conducted with two participants (9-37 years post-stroke). Four phases were completed: (1) background assessment, (2) baselines, (3) therapy, and (4) follow-up. Three equivalent lists of verbs were created for each participant and two of them were trained with a different strategy: action observation+semantic-phonological cues, action observation alone. The stimuli of the third list (control list) were not treated.
RESULTS: The semantic-phonological cueing strategy led to a significant improvement. No improvement was observed after action observation. No generalization to untreated verbs was found.
CONCLUSIONS: Verb naming can be enhanced by semantic/phonological cueing. In addition, other studies (clinical, neuroimaging, etc.) are needed to document the effect of action observation for the treatment of verb anomia.
LEARNING OUTCOMES: The reader will be able to (1) describe semantic-phonological therapies used in post-stroke verb anomia, (2) describe sensorimotor therapies used in post-stroke verb anomia, and (3) identify factors contributing to the efficacy of therapies to improve action naming in aphasia.

PMID: 25638465 [PubMed - indexed for MEDLINE]

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