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Effects of brain polarization on reaction times and pinch force in chronic stroke |
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| Authors: | Friedhelm C Hummel Bernhard Voller Pablo Celnik Agnes Floel Pascal Giraux Christian Gerloff Leonardo G Cohen |
| Institution: | (1) Human Cortical Physiology Section and Stroke Neurorehabilitation Clinic, National Institute of Neurological Disorders and Stroke, National Institutes of Health, 20892 Bethesda, MD, USA;(2) Brain Imaging and Neurostimulation Lab, Department of Neurology, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany |
| Abstract: | BackgroundPrevious studies showed that anodal transcranial DC stimulation (tDCS) applied to the primary motor cortex of the affected hemisphere (M1affected hemisphere) after subcortical stroke transiently improves performance of complex tasks that mimic activities of daily living (ADL). It is not known if relatively simpler motor tasks are similarly affected. Here we tested the effects of tDCS on pinch force (PF) and simple reaction time (RT) tasks in patients with chronic stroke in a double-blind cross-over Sham-controlled experimental design. |
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