Event-Related Potential (ERP) Biomarkers in Subjects With Schizophrenia and Healthy Volunteer Subjects

* Inclusion Criteria for Healthy Volunteer Subjects (HV) * Healthy male and female subjects 21-50 years of age (inclusive). * Are not currently or have not participated in any other clinical studies within 30 days of Screening. * Ability to understand the requirements of the study, provide written informed consent, abide by the study procedures, and agree to return for the required assessments. * Subject is in good and stable health with no history or evidence of clinically relevant medical or neuropsychiatric illness. * Fluent in English, even if English is not the primary language. Subjects must hold a U.S. citizenship only for eligibility to participate. * Exclusion Criteria for Healthy Volunteer Subjects (HV) * Illicit drug use as determined by the saliva drug screen. * Current alcohol abuse as determined by the Investigator; or subject regularly consumed ≥3 alcoholic drinks/day during the 3 months prior to screening. One alcohol drink is approximately equivalent to: beer: 284 mL; wine: 125 mL (4 oz); or distilled spirits: 25 mL (1 oz). * Known (identifiable) biological family history of Schizophrenia spectrum disorders in a first or second degree relative. * Use of any first generation, sedating H1 antihistamines within 1 week prior to Screening or during the study. (see Medication Approval List) * Use of any sedative-hypnotic medications within 1 week prior to Screening or during the study. (see Medication Approval List) * Use of any other psycho…