Abstract
Organic brain dysfunction Organic brain dysfunction in late-onset depression in late-onset depression Medical comorbidity is common in late-Medical comorbidity is common in lateonset depression. Some studies suggest the onset depression. Some studies suggest the presence of mild cognitive impairment in presence of mild cognitive impairment in up to 60% of patients with late-onset up to 60% of patients with late-onset depression; this constitutes a major diag-depression; this constitutes a major diagnostic problem in geriatric psychiatry. In nostic problem in geriatric psychiatry.