Driving Performance Related Transport Tasks

The study was conducted as a double blind, placebo controlled, four-way cross over study. To assess the psychomotor effects of the administered drugs, the participants were required to perform the critical flicker fusion frequency task (CFF), choice reaction time task (CRT), Bond- Lader visual analogue scale of mood (VASM) and the digit-symbol substitution test (DSST). A significant effect between condition and time for CRT (F(3)= 7.918, p<0.001),>