Figure 2. Effect of 0 and 2 mg/kg diazepam (left) and 0-9 mg/kg propofol (right) on the percentage of entries in 5 min (A) into the open arms and on the percentage of time (B) spent within the open arms. Results are expressed as the mean and SD. *Means P < 0.05 when compared with the 0-mg/kg dose.