Effect of Behavior Therapy on Responses to Social Stimuli in People With Social Phobia

Inclusion Criteria:

   - Meets DSM-IV criteria for generalized social phobia

   - English-speaking

   - Eligible to participate in fMRI scanning

   - Willing to use an effective form of contraception throughout the study

Exclusion Criteria:

   - Currently undergoing any psychotherapy or pharmacotherapy (e.g, selective serotonin
   reuptake inhibitors, benzodiazepines, beta-blockers, anti-psychotics, blood thinners,
   thyroid hormone influencing agents, diabetic medications, or anticonvulsants)

   - History of neurological or cardiovascular disorders, brain surgery, electroconvulsive
   or radiation treatment, brain hemorrhage or tumor, stroke, seizures or epilepsy,
   diabetes, hypo- or hyperthyroidism, or head trauma with loss of consciousness for more
   than 5 minutes

   - Smokes cigarettes daily

   - History of or current diagnosis of schizophrenia, schizoaffective disorder, organic
   mental disorder, bipolar disorder, or antisocial, schizotypal, or schizoid personality
   disorders

   - Suicidal thoughts

   - Clinically significant and/or unstable medical disease

   - Pregnant or breastfeeding

   - Alcohol or substance abuse or dependence within the 12 months prior to study entry

   - History of or current seizure disorder (except febrile seizure disorder during
   childhood)