Table 2. Performance in the N-back working memory task.

	0-back (correct %)	0-back (RT, ms)	1-back (correct %)	1-back (RT, ms)	2-back (correct %)	2-back (RT, ms)
ADT_B	98±3	593±116	82±13	669±153	62±16	765±153
ADT_F	97±5	569±103	85±12	720±181	64±18	805±189
Control_B	99±1	494±89	89±12	575±109	77±15	719±138
Control_F	99±2	563±70	88±4	659±125	82±9	745±116
P value*	0.79	0.19	0.50	0.19	0.55	0.78

Note: B: baseline; F: follow-up; RT = reaction time of correct trials;

^*P value of the group by time interaction in repeated measures analysis of variance.