----- 老年精神病学中的脑成像和老年心理服务
The rapid development and significant impact of brain imaging methods when applied to the field of geriatric psychiatry, are mirrored in this special issue of Dementia. After an historical introductory review, several articles focus on the clinical usefulness of different functional brain imaging methods for diagnosis of dementia. New developments in the imaging of muscarinic receptors in Alzheimer's disease using PET are described as well as the intriguing possibility to image visual hallucinations by functional MRI. The second main theme of the publication is the organization and implementation of psychogeriatric services. Experiences from a number of different countries are described and the various problems encountered with such services are thoroughly discussed. This publication will be of direct interest to medical doctors working in geriatric psychiatry, general psychiatry, neurology, geriatrics, neurophysiology, neuropathology and brain imaging. Those involved in psychiatry services and care for the elderly population should also have a copy on their bookshelf.
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