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The application of non-invasive neuromodulation in stuttering: Current status and future directions
Mehdi Bakhtiar1, Karim Johari2
1Speech and Neuromodulation Laboratory, Unit of Human Communication, Learning and Development, Faculty of Education, The University of Hong Kong, Hong Kong.
Abstract:
Non-invasive neuromodulation methods such as transcranial Direct Current Stimulation (tDCS) and Transcranial Magnetic Stimulation (TMS), have been extensively utilized to enhance treatment efficacy for various neurogenic communicative disorders. Recently, these methods have gained attention for their potential to reveal more about the underlying nature of stuttering and serve as adjunct therapeutic approaches for stuttering intervention. In this review, we present existing research and discuss critical factors that might influence the efficacy of these interventions, such as location, polarity, intensity, and duration of stimulation, as well as the impact of combined behavioral training. Additionally, we explore implications for future studies, including the application of different neuromodulation methods to address various aspects of stuttering such as speech fluency and associated psychological and cognitive aspects in people who stutter.
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