[Brief cognitive evaluation and diagnosis of dementia, depression, and psychosis in the elderly].

Objective: To evaluate the cognitive performance of the elderly with psychosis, depression and dementia in a mental health outpatient unit.

Methods: The Mini-Mental State Examination (MMSE) and the Cambridge Cognitive Examination (CAMCOG) were applied to 86 patients above 60 years of age referred for evaluation due to memory complaints. Patients were diagnosed according to DSM IV criteria.