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Utilizing Repetitive Transcranial Magnetic Stimulation to Improve Language Function in Stroke Patients with Chronic Non-fluent Aphasia
Published on: July 2, 2013
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Neuromodulation in post-stroke aphasia treatment
Bonnie L Breining1, Rajani Sebastian2
1Department of Neurology, Johns Hopkins University School of Medicine.
Current Physical Medicine and Rehabilitation Reports
|December 21, 2020
Summary
Non-invasive brain stimulation (NIBS), including transcranial direct current stimulation (tDCS) and transcranial magnetic stimulation (TMS), shows promise for improving speech and language in stroke survivors with aphasia. Further research is needed to optimize parameters for clinical use.
Area of Science:
- Neuroscience
- Rehabilitation Medicine
- Speech-Language Pathology
Background:
- Aphasia is a common and debilitating consequence of stroke, significantly impacting communication and quality of life.
- Speech and language therapy (SLT) is the primary treatment for post-stroke aphasia, but outcomes can be variable.
- Non-invasive brain stimulation (NIBS) techniques offer potential adjuncts to traditional SLT.
Purpose of the Study:
- To review the current literature on the use of NIBS methods to enhance SLT for individuals with post-stroke aphasia.
- To summarize the findings of recent studies investigating transcranial direct current stimulation (tDCS) and transcranial magnetic stimulation (TMS) for aphasia recovery.
Main Methods:
- A systematic review of published studies over the past five years was conducted.
- Studies included assessed the efficacy of tDCS and TMS in improving speech and language outcomes in post-stroke aphasia patients.
- Variations in stimulation parameters, treatment approaches, and outcome measures were analyzed.
Main Results:
- Over 30 studies have investigated tDCS and TMS for post-stroke aphasia in the last five years.
- Evidence suggests that both tDCS and TMS can be beneficial in improving speech and language abilities.
- Diverse NIBS protocols, including different stimulation sites, intensities, and session numbers, have been employed.
Conclusions:
- NIBS, specifically tDCS and TMS, demonstrates potential as an effective augmentation strategy for SLT in post-stroke aphasia.
- Optimal stimulation parameters and the underlying neurobiological mechanisms of tDCS and TMS require further investigation before widespread clinical adoption.
- Future research should focus on standardizing protocols and elucidating treatment mechanisms to maximize therapeutic benefits.
