Table 3: Effect of Bacopa monnieri (300 mg/day) on neuropsychological tests (mean scores ± SD).

Neuropsychological taskBacopa groupPlacebo group” value
()()
Before drugAfter drugBefore drugAfter drug

Digit span forwards7.23 ± 1.117.85 ± 0.837.83 ± 1.197.73 ± 0.23>0.05
Digit span backwards8.1 ± 1.38.3 ± 0.99.1 ± 1.08.3 ± 0.8<
Paired associate task8 ± 1.37.7 ± 1.48.1 ± 1.17.9 ± 1.3>0.05
Logical memory test3.4 ± 2.65.2 ± 4.55.5 ± 2.64.1 ± 3.8<
Memory span for nonsense syllables5.4 ± 3.36.9 ± 2.44.7 ± 2.36.1 ± 2.9>0.05
Finger tapping test152.28 ± 15.75154.56 ± 13.71157.60 ± 14.89158.48 ± 27.89>0.05
Simple reaction time221.88 ± 53.17221.01 ± 52.16213.13 ± 33.6212.49 ± 33.62>0.05
Choice reaction time350.07 ± 52.08340.03 ± 62.26342.39 ± 67.54340.95 ± 64.45>0.05
Choice discrimination test383.70 ± 52.54387.06 ± 53.47374.02 ± 51.46379.44 ± 58.32>0.05
Digit picture substitution test1492.69 ± 368.581467.78 ± 556.551465.94 ± 293.941325.44 ± 207.07>0.05

On comparing Bacopa group with placebo group by using unpaired Student’s “”-test.