Lack of Association Between Depression and Loss of Neurons in the Locus Coeruleus in Alzheimer Disease

Abstract
ALZHEIMER DISEASE (AD) is generally considered a disturbance of cognition. Recently, however, depressive and other psychiatric symptoms have gained more interest, since these symptoms may seriously increase caregiver burden and are frequently the reason for hospitalization.1 This is also of practical clinical relevance since depressive symptoms in patients with AD can be successfully treated with selective serotonin reuptake inhibitors.2 These cause little postural hypotension3 and can be used relatively safely in the elderly and for AD, whereas no effective treatment is, at present, available for AD itself.

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