Place the spectrum of schizophrenic and other psychotic disorders as described by the DSM-5 on a gradient of psychopathology from least to most severe (1-4). (Enter the number of each disorder in the proper sequence, using comma and space format, such as: 1, 2, 3, 4)

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The DSM-5 places the spectrum of schizophrenic and other psychotic disorders on a gradient of psychopathology from least to most severe as follows: delusional disorder (C), schizophrenia (B), schizophreniform disorder (A), and substance-induced psychotic disorder (D). Delusional disorder (C) is characterized by the presence of delusions that last for at least one month, but there is no other psychotic symptom. Schizophrenia (B) is the most severe disorder in the spectrum, characterized by the presence of positive symptoms (e.g., hallucinations, delusions), negative symptoms (e.g., flat affect, alogia), and cognitive impairment. Schizophreniform disorder (A) shares many symptoms with schizophrenia, but the duration of symptoms is shorter (1-6 months). Substance-induced psychotic disorder (D) is caused by the use of substances and is typically resolved after the substance is eliminated from the body.

Place the Spectrum of Schizophrenic and Other Psychotic Disorders as Described