Comparison of Aripiprazole Versus Risperidone on Brain Morphology Using MRI

Exclusion Criteria

• •Total life time exposure to the antipsychotic drug aripiprazole vs risperidone for less than 3 months at time of consent.
• •Previously diagnosed with diabetes mellitus, seizure disorders, mental retardation (IQ \< 70), or pregnancy (current or within 3 months postpartum)
• •Participants who have been treated/are currently being treated with mood stabilizers (paroxetine, lithium, or valproic acid). Prior or concurrent use of Selective Serotonin Reuptake Inhibitor antidepressants (other than paroxetine) is acceptable..
• •Received antipsychotic polypharmacy (treatment with more than one antipsychotic drug)
• •Participants who are not able to fluently communicate in English.
• •Contraindicated for MRI scan (i.e., has had major surgery in the last 6 months, morbid obesity, claustrophobia, and/or has metal in their bodies from a surgical intervention or working in metalwork, or is unsure if metal is present in their bodies, etc.)