Fig. 2.
Average classification errors across all non-amputees and amputees. HG: all hand grasps (7 classes), FM: all finger motions (13 classes), HGFM: all hand grasps and finger motions (19 classes). (*) represents p<0.05; (**) represents p<0.01; (***) represents p<0.001. Error bars represent standard error.