Transcranial Direct Current Stimulation Augmented Exposure and Response Prevention for Obsessive-Compulsive Disorder

Exclusion Criteria

• •Active substance use disorder
• •Lifetime diagnosis of psychotic or bipolar mood disorder
• •Previous minimally adequate trial of ERP (e.g., at least 16 sessions including both therapist and self-directed exposure and response prevention)
• •Therapy outside the study protocol which has evidence for efficacy with OCD during the study intervention period
• •Active suicidal or homicidal ideation
• •Organic brain disease or injury
• •Any health problems that would interfere with study participation, including contraindications to tDCS (e.g., skin condition, mental implant in skull)
• •Women who are pregnant or breastfeeding. All women participants of child-bearing age are required to have a negative pregnancy test prior to treatment, and must use medically acceptable birth control during study participation. Medically acceptable birth control includes: established oral, injected, implanted, or vaginal ring hormonal contraception, an intrauterine device (IUD), two barrier contraception methods (condom or occlusive cap with spermicidal foam/gel/film/cream/suppository), or having a vasectomized partner
• •Use of anticonvulsant medications (including depakote, gabapentin, tegretol, dilantin, lamictal) and/or glutamate-acting agents (including n-acetylcysteine, riluzole, amantadine, memantine).