This study investigates the computational mechanisms associated with psychiatric disease dimensions. The study will characterize the relationship between computational parameter estimates of task performance and psychiatric symptoms and diagnoses with a longitudinal approach over a 12 month interval. Participants will be healthy participants recruited through Prolific an on-line crowdsourcing service, and psychiatric patients and healthy participants recruited via UCLA Psychiatry Clinics and UCLA's STAND Program
Inclusion criteria (healthy control participants):
- Age range of 18 to 65.
- Not currently having a psychiatric diagnosis determined after psychiatric evaluation by Drs. Tadayon-Nejad and Wei (both are board certified psychiatrists).
- Ability to understand and perform experimental tasks, i.e. basic ability to communicate and comprehend tasks.
- Ability to give informed consent.
Exclusion criteria (healthy control participants):
- Prior history and or current diagnosis of neurological disease.
Inclusion criteria (patients):
- Age range of 18 to 65.
- Psychiatric diagnosis of any type of depressive disorders, any type of anxiety disorders or obsessive-compulsive disorder.
- Primary or comorbid bipolar disorders are allowed but only if not in the acute manic phase.
- Comorbidity with autism spectrum disorder (ASD) and attention-deficit/hyperactivity disorder (ADHD) are allowed.
- Ability to understand and perform experimental tasks, i.e. basic ability to communicate and comprehend tasks.
- Ability to give informed consent.
Exclusion criteria (patients):
- Prior history and or current diagnosis of neurological disease.
- History or current diagnosis of psychotic disorders.
- Currently active substance use disorder.