ArticleDigital health
Self-administered lexical retrieval therapy app in post-stroke aphasia: A pilot study evaluating feasibility, usability, and effectiveness.
Article in Digital health. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Authors and funding
6 authors.
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Abstract
Background: Post-stroke aphasia impairs language abilities. Although digital therapy apps offer accessible self-administered alternatives, the effectiveness of effortful lexical retrieval in such therapies remains unclear. Objective: This study aimed to evaluate the feasibility, usability, and preliminary effectiveness of a tablet-based lexical retrieval therapy app designed to support effortful lexical retrieval in individuals with post-stroke aphasia. Methods: Patients with post-stroke aphasia were randomly assigned to receive lexical retrieval therapy app or workbook-based cognitive exercises for two weeks. Feasibility was assessed through adherence and engagement and usability through the system usability scale (SUS). Preliminary effectiveness of the proposed method was measured by improvements in retrieval performance and the Boston Naming Test (BNT). Results: The study included 17 participants, with the intervention group (9/17) showing an 88.9% retention rate. They showed significantly higher post-intervention lexical retrieval scores than the control group (F Conclusions: This study provides preliminary evidence that a self-administered app using effortful therapy can improve lexical retrieval in post-stroke aphasia, highlighting its potential as an accessible alternative to clinician-led interventions. Future research should explore long-term adherence, adaptive strategies, and their lasting therapeutic effects.
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