The Basic Science of Geriatric Psychiatry. The myth, history, and science of aging. Physiological and clinical considerations of the geriatric patient. Perceptual changes with aging. Neuroanatomy and neuropathology of aging. Chemical messengers. Genetics and geriatric psychiatry. Psychological aspects of normal aging. Social and economic factors related to psychiatric disorders in late life. The epidemiology of psychiatric disorders in late life. The Diagnostic Interview in Late Life. The psychiatric interview of the geriatric patient. Use of the laboratory in the diagnostic workup of older adults. Psychiatric Disorders in Late Life. Cognitive disorders. Mood disorders. Schizophrenia and paranoid disorders. Anxiety and panic disorders. Somatoform and psychosexual disorders. Bereavement and adjustment disorders. Sleep and chronobiological disturbances. Alcohol and drug problems. Treatment of Psychiatric Disorders in Late Life. Pharmacological treatment. Diet, nutrition, and exercise. Psychotherapy. Clinical psychiatry in the nursing home. The continuum of care: movement toward the community. The past and future of geriatric psychiatry. Index.