From: Effects of methylphenidate on motor system excitability in a response inhibition task
Placebo Mean ± SD | MPH Mean ± SD | ANOVAs (significant results) | |
---|---|---|---|
Hit rate (in %) | 98.1 ± 1.8 | 98.6 ± 1.5 | |
Impulsivity errors | 1.07 ± 1.14 | 0.57 ± 0.65 | Med: F(1,12) = 3.27; p < 0.1 |
Mean reaction time | |||
left hand (in ms) | 335.3 ± 16.5 | 327.4 ± 16.2 | Med: F(1,12) = 4.71; p < 0.05 Med × Order: F(1,12) = 10.43; p < 0.01 |
right hand (in ms) | 320.2 ± 15.0 | 313.4 ± 15.9 | Side: F(1,12) = 27.26; p < 0.001 |
Reaction time – standard deviation | |||
left hand (in ms) | 39.3 ± 6.5 | 36.1 ± 7.2 | |
right hand (in ms) | 38.8 ± 5.8 | 37.6 ± 10.0 |