Related Experiment Video
Updated: Aug 14, 2026

Randomized, Triple-Blind, and Parallel-Controlled Trial of Transcranial Direct Current Stimulation for Cognitive Rehabilitation after Stroke
Published on: June 6, 2025
Rehabilitation of verbal working memory after left hemisphere stroke
C Vallat1, P Azouvi, H Hardisson
1Antenne UEROS-UGECAN, Service de Rééducation Neurologique, Hôpital Raymond Poincaré, Garches, France. claire.vallat@rpc.ap.hp.fr
Primary Objective:
To assess a rehabilitation programme of working memory.
Research Design:
Single case multiple-baseline-across-behaviour design in a patient with chronic stroke suffering from a specific impairment of working memory.
Methods:
Rehabilitation included training of storage and processing components of verbal working memory. Outcome was assessed with specific working memory tests, non-specific tasks requiring working memory, non-target tasks not requiring working memory and questionnaires addressing daily-life functioning. This assessment was performed twice before the experimental therapy and once after.
Results:
Cognitive measures were stable before therapy. A statistically significant improvement was found for target measures and for daily-life skills. In contrast, no change was found on non-target tasks.
Conclusion:
Improvement was not apparently related to spontaneous recovery, since performance was stable before therapy. This study suggests that specific cognitive training may improve working memory in patients with brain injury.
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