 A crossover, double-blind within subjects design will be used. The two conditions are placebo and drug prior to exposure to social anxiety cues in the virtual environment. Each subject will be in both conditions over the course of two visits. Each subject will be in only one condition on the first visit and will then cross-over to the other condition on the second visit. Order will be counter-balanced across subjects. The treatment phase of the study will include the two afore mentioned visits, totaling 60 minutes each. This will include the treatment and pre-post assessment 