Table 3.

Average performance including the response accuracy and the reaction time of the ten subjects during the 1-, 2-, 3-back tasks.

	1-Back Task	2-Back Task	3-Back Task
Response accuracy (%)	93.3 ± 4.5	90.6 ± 3.4	57.3 ± 11.6
Reaction time (ms)	535 ± 58	712 ± 127	960 ± 212