Feature | Delirium | Psychosis Due to a Psychiatric Disorder |
---|---|---|
Orientation | Confused about current time, date, place, or identity | Usually, aware of time, date, place, and identity |
Attention | Greatly impaired | Unaffected |
Memory for recent events | Lost | Retained |
Ability to calculate | Unable to do simple calculations | Retained |
Hallucinations | If present, mostly visual or involving touch | If present, mostly auditory |
Other disorders | Often present and may be serious | History of previous psychiatric disturbances |
Drug use | Often, evidence of recent drug use | Not necessarily involved |