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Duration but not intensity influences transcranial direct current stimulation (tDCS) after-effects on cortical excitability by Philippe Vignaud; Marine Mondino; Emmanuel Poulet; Ulrich Palm; Jérôme Brunelin is a Medicine article available to read on EtoBox.

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Recent studies have shown heterogeneous results regarding the influence of intensity and duration of motor transcranial direct current stimulation (tDCS) on cortical excitability. In this pilot crossover study including 14 healthy participants, we compared the effects of a single session of anodal-tDCS set with two commonly used durations (20 and 30minutes) and intensities (1 and 2mA) on short-interval intracortical inhibition (SICI) and intracortical facilitation (ICF). Regardless of the current intensity, 20minutes of tDCS increased SICI (3ms inter-stimulus interval ISI) and decreased ICF (7ms ISI); 30minutes of tDCS did not affect cortical excitability.

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Author

Philippe Vignaud; Marine Mondino; Emmanuel Poulet; Ulrich Palm; Jérôme Brunelin

Published

2018

Language

EN

Field

Medicine (Health Sciences)