d at the left, top, right, or bottom of the computer screen. (for a more detailed schematic, see figure s I in the supplementary data, available at Ntachs.iopmrvLINE/8/0360 Illinunethaj 30 cm and a cursor of diameter 1.5 cm (0.20% of workspace) (figure O. Subjects were instructed to remain still and relax their muscles to reduce t