Multi-session anodal tDCS enhances the effects of postural training on balance and postural stability in older adults with high fall risk: Primary motor cortex versus cerebellar stimulation

Brain Stimulation
Mohaddeseh Hafez YosephiShapour Jaberzadeh

Abstract

Postural control impairment is a key target for rehabilitation of older adults with high fall risk. To investigate whether anodal transcranial direct current stimulation (a-tDCS) over primary motor cortex (M1) or cerebellum can enhance the positive effects of postural training on balance and postural stability in older adults with high fall risk. In this randomised, double-blinded sham-controlled study, 65 participants were randomly assigned into five groups; M1 a-tDCS with postural training, bilateral cerebellar a-tDCS with postural training, sham a-tDCS with postural training, postural training alone and cerebellar a-tDCS alone. Participants in the first two a-tDCS groups received 2 mA stimulation for 20 min concurrently with postural training. Postural training was conducted for three sessions of 20 min per week for two weeks. The Berg Balance Score (BBS) and the stability indices at both static and dynamic levels of the Biodex Balance System were evaluated before and after intervention. A general linear model repeated measure ANOVA was used to assess the effects of variables among groups. Simultaneous postural training with M1 or bilateral cerebellar a-tDCS significantly improved postural stability indices (p < 0.05) and BB...Continue Reading

Citations

Dec 11, 2019·Movement Disorders : Official Journal of the Movement Disorder Society·Roderick P P W M MaasBart P C van de Warrenburg
Jun 12, 2019·Somatosensory & Motor Research·Maria Clara D Soares de MouraRenata Hydeé Hasue
Dec 19, 2019·Frontiers in Human Neuroscience·Craig D WorkmanThorsten Rudroff
Jul 3, 2020·Clinical EEG and Neuroscience·Leandro Moura SilvaSeverino Aires Araújo-Neto
Dec 18, 2020·Frontiers in Psychology·Hongliang LuShengjun Wu
Mar 3, 2020·Neurophysiologie clinique = Clinical neurophysiology·Hamzeh BaharloueiShapour Jaberzadeh
Jul 3, 2021·Brain Sciences·Thorsten Rudroff, Craig D Workman

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