inhibition of conical excitability such as transcranial magnetic stimulation (TMS) (Karim et at 2003; Amedi et at 200t; Karim, Schuler. et at 2004 Knoch et at 2006) or transcranial direct current stimulation (tDCS) (Nitsche and Paulus 2000, 2001; Nitsche. Schauenberg, et at 2003; Knoch et al. 2008;

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