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Article Abstract
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11284804 | PMC |
| http://dx.doi.org/10.1016/j.brs.2022.07.052 | DOI Listing |
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Personalized beta band HD-tACS over the left SMA improves speech and limb movement by modulating prefrontal delta oscillations in neurotypical young adults.
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Department of Communication Sciences and Disorders, Louisiana State University, LSU, Baton Rouge, 70803, UNITED STATES.
Objective: The supplementary motor area (SMA) demonstrates abnormal beta activity (13-30 Hz) during speech and limb movement tasks in neurological conditions such as Parkinson's disease (PD). Transcranial Alternating Current Stimulation (tACS) has demonstrated promising improvements in motor and non-motor functions by entraining endogenous neural oscillations. We conducted an exploratory study on the modulatory effects of personalized beta high-definition (HD)-tACS over the left SMA on speech production and limb movement.
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Department of Cognitive Neuroscience, Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, the Netherlands; Maastricht Brain Imaging Centre, Maastricht University, Maastricht, the Netherlands.
Executive cognitive functions are essential for human life, and their age- or disease-related decline significantly impacts quality of life. Non-invasive brain stimulation (NIBS) targeting the multiple-demand or fronto-parietal network (FPN) has emerged as a promising intervention for enhancing various executive cognitive functions. However, variations in cognitive tasks and stimulation protocols across studies led to mixed results, rendering findings and conclusions incomparable.
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