ing of hand kinematics has been reported for PrG and PoG at a microscale (Georgopoulos et 4..1986; Moran and Schwartz. 1999; Wessberg et al.. 2000; Serruya et al.. 2002; Schwartz et al., 2004), mesoscale (Schalk et al.. 2007; Pistohl et al. 2008: Sanchez et al. 2008). and macroscale (Jerbi et al., 200