Feasibility of Remotely Supervised Transcranial Direct Current Stimulation (RS-tDCS) for People with Stroke-Induced and Progressive Aphasia.
Jessica D Richardson, Elizabeth E Galletta, Leigh Charvet and 1 others
PMID 39949352WHAT IT FOUND
People with stroke-induced and progressive aphasia could learn to self-administer remotely supervised brain stimulation at home.
They completed all sessions without adverse events, and both patients and clinicians found the setup acceptable and convenient.
Key findings
01Participants with a range of aphasia severities, including severe cases, successfully completed the training and virtual simulation with minimal repetition of instructions.
02Two participants completed ten consecutive days of home-based sessions independently, with no missed sessions, no pain reaching safety cutoffs, and no adverse events.
03Most participants and all supervisors recommended the approach, citing convenience and time savings, though some expressed safety concerns that require better explanation during training.
STILL TO COME
How it was doneWhat they foundWhat it means for SLPs
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What it does not show
The sample was small and drawn from people already involved in research, who are likely more comfortable with technology and brain stimulation than the general aphasia population. The study did not include people with very severe stroke-induced aphasia or certain types of progressive aphasia. Study 2 used an open-label design with only two participants and no control group, so it cannot show whether the treatment works. Language outcomes were barely measured in Study 2, and one participant had no post-treatment assessment.
Declared interests
The paper does not report funding sources or conflicts of interest.
The easy way to misread this
Do not interpret this as evidence that at-home brain stimulation improves language. The study tested whether patients could use the equipment safely, not whether the treatment works. The one participant who showed discourse improvement was part of a tiny, uncontrolled group, and the authors state efficacy was not the goal.