Marked disorders of thought (delusions, hallucinations, or other thought disorder accompanied by disordered affect or behavior), and deterioration from a previous level of functioning. Individuals have one o more of the following symptoms: delusions, hallucinations, and disorganized speech. (from DSM-5)

Synonyms: Schizophrenia Spectrum and Other Psychotic Disorders, Schizophrenia and Disorders with Psychotic Features