Brief Intervention to Reduce Fear of Public Speaking

Inclusion Criteria: * 18-60 years of age at the time of consent * Principal Diagnosis of Social Anxiety Disorder, Performance only type * Has clinically significant fear of public speaking * Physically healthy * If female, non-pregnant and not nursing * Off all psychotropic drug for at least 4 weeks * A level of understanding sufficient to provide written informed consent to all required study tests and procedures. Exclusion Criteria: * History of other serious psychiatric disorder * Current Major Depressive Disorder * Presence of developmental disorder or intellectual disability * SAD patients with SAD not of the performance only type * Women who are pregnant or nursing * Current use of psychiatric medication * Current substance use disorder * Persons planning to start another treatment during the study period. * Any significant medical condition that might increase the risk or participation (e.g., seizure disorder, respiratory disorders \[e.g., bronchial asthma\], cardiovascular disease \[e.g., congestive heart failure, heart arrhythmias, sinus bradycardia and greater than first degree block \], low blood pressure \[ \< 90/60\], diabetes, liver or kidney disorders) * Use of medications that might negatively interact with propranolol (e.g., ACE inhibitors; catecholamine depleting drugs, such as reserpine; calcium channel blockers; digitalis glycosides; haloperidol; chlorpromazine; aluminum hydroxide gel; phenytoin; phenobarbitone; rifampin; antipyrine; lidocaine; cimetidine; theophylline)