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Neuroanatomic Substrates of Late-Life Mental Disorders

J. Douglas Bremner, MD

Anand Kumar, MD

Advances in magnetic resonance imaging (MRI) techniques have made it possible to quantify anatomic brain abnor malities in neuropsychiatric disorders. This review focuses on controlled, quantitative MRI studies in depression, degenerative disorders, and psychosis in the elderly. Although many of the anatomic abnormalities detected are observed across disorders, the patterns of regional involvement may be more selective and disorder specific. We integrate MRI findings with relevant clinical and neurobiologic observations in an attempt to develop a cohesive model of late-life psychiatric illness. Although the model primarily alludes to the pathophysiology of late-life depres sion, it may have broader biologic implications for other mental disorders in the elderly. (J Geriatr Psychiatry Neurol 1999; 12:95-106).

Journal of Geriatric Psychiatry and Neurology, Vol. 12, No. 3, 95-106 (1999)
DOI: 10.1177/089198879901200303


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