Brain Function and Cognitive Control Training in Children With Obsessive-Compulsive Symptoms (AKILI - OCS)

Inclusion Criteria:

• Age 8 to 12 years at the time of consent (i.e., 8.00 - 12.99 years).
• Will have definite obsession(s) and/or compulsion(s)
• NO current or lifetime history of meeting DSM-5 criterion B for OCD.
• Not on psychotropic medication (either treatment-naïve or free of psychotropic medication for at least one month) or on stable medication regime for ADHD (e.g., stimulants).
• Capacity to provide written informed assent by the participants and permission by the parent/guardian.

Exclusion Criteria:

• DSM-5 current major depressive disorder.
• DSM-5 current or lifetime diagnosis of OCD, PTSD, substance/alcohol abuse, psychotic disorder, bipolar disorder, eating disorder, pervasive developmental disorder.
• Current or lifetime history of a major medical or neurological problem (e.g., unstable hypertension, seizure disorder, major head trauma).
• Active suicidal ideation with some intent to act.
• Presence of metallic device (ferromagnetic implants or dental braces).
• Females who are pregnant or nursing.
• Wechsler Abbreviated Scale of Intelligence II Full-scale IQ <80.