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- W4286823248 abstract "This study investigated the effect of using subthreshold vibration as a peripheral sensory stimulation during therapy on cortical activity. Secondary analysis of a pilot triple-blinded randomized controlled trial. Twelve chronic stroke survivors underwent 2-week upper-extremity task-practice therapy. Half received subthreshold vibratory stimulation on their paretic wrist (treatment group) and the other half did not (control). EEG connectivity and event-related de-/resynchronization for the sensorimotor network during hand grip were examined at pre-intervention, post-intervention and follow-up. Statistically significant group by time interactions were observed for both connectivity and event-related spectral perturbation. For the treatment group, connectivity increased at post-intervention and decreased at follow-up. Event-related desynchronization decreased and event-related resynchronization increased at post-intervention, which was maintained at follow-up. The control group had the opposite trend for connectivity and no change in event-related spectral perturbation. The stimulation altered cortical sensorimotor activity. The findings complement the clinical results of the trial in which the treatment group significantly improved gross manual dexterity while the control group did not. Increased connectivity in the treatment group may indicate neuroplasticity for motor learning, while reduced event-related desynchronization and increased event-related resynchronization may indicate lessened effort for grip and improved inhibitory control. EEG may improve understanding of neural processes underlying motor recovery." @default.
- W4286823248 created "2022-07-24" @default.
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- W4286823248 date "2022-07-04" @default.
- W4286823248 modified "2023-10-12" @default.
- W4286823248 title "Neuroplasticity after upper-extremity rehabilitation therapy with sensory stimulation in chronic stroke survivors" @default.
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- W4286823248 doi "https://doi.org/10.1093/braincomms/fcac191" @default.
- W4286823248 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/35938072" @default.
- W4286823248 hasPublicationYear "2022" @default.
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