Figure 2.
Visually guided saccade peak velocity (SPV). SPV was measured before (Pre, black bars) and 90 min after (Post, white bars) intake of a single oral dose of 1 mg alprazolam, 10 mg zolpidem, or placebo (Experiment 1, A), or 20 mg diazepam, 50 mg baclofen, or placebo (Experiment 2, B). A, Data are means from 20 subjects. B, Data are means from 15 subjects. Error bars indicate ± SEM. *Significant differences predrug versus postdrug (p < 0.05).