Table 2: The Conners’ ContinuousPerformance Test (CPT-II) of the placebo (R) and intervention (Y) groupsin participants with ADHD1.

1 Values are expressed as the mean ± SD.Data from 7 participants with attention deficit hyperactivity disorder (ADHD). *p < 0.05 compared to baseline by pair t-test. †p < 0.05 compared to R by pair t-test. RT, reaction time; ISI, inter-stimulus interval; SE, standard error.
Concepts Baseline R Y
Inattention % % %
Omissions Accuracy/hit 58.84±17.12 57.68±16.56 53.24±20.65
Commissions Accuracy/inhibition 54.1±11.58 50.72±10.17 44.29±9.44*†
Hit RT Reaction time 49.64±17.11 52.08±16.10 53.21±18.78
Hit RT SE Consistency/ sustainability 51.7±12.36 54.63±12.52 50.55±12.72
Variability Consistency/ sustainability 51.24±11.13 52.37±11.69 48.16±8.88
Detectability Accuracy/hit 52.53±9.36 52.21±9.00 45.18±8.08†
Hit RT ISI Change Consistency/ sustainability 52.97±6.26 60.04±12.46 55.59±4.97
Hit SE ISI Change Consistency/ sustainability 48.67±13.65 55.11±8.03 49.44±5.18†
Impulsivity
Commissions Accuracy/inhibition 54.1±11.58 50.72±10.17 44.29±9.44*†
Hit RT Reaction time 49.64±17.11 52.08±16.1 53.21±18.78
Perseverations Accuracy/inhibition 48.09±6.74 51.94±8.82 52.02±21.6
Vigilance
Hit RT Block Change Consistency/ sustainability 52.28±10.92 51.55±13.38 49.35±10.59
Hit SE Block Change Consistency/ sustainability 48.05±13.68 46.14±10.08 48.48±7.45