Additional Study Information: We are currently enrolling individuals with social anxiety disorder to participate in this study. The purpose of this study is to assess whether a brief computer-based research treatment helps improve social anxiety symptoms. For eligible participants, this study will involve a brief, novel research treatment for social anxiety, delivered in 8 or 12 sessions over the course of 4 or 8 weeks. Participants will receive payment for completing study assessments. The study will also assess the effect of research treatments on brain activity using a scan called magnetic resonance imaging (MRI) and a test called electroencephalogram (EEG).