Exciting research in neuroimaging, genetics, and psychopharmacology and advances in basic neuroscience and psychosocial fields continue to invigorate psychiatry. Several new findings have challenged some of our notions about the pathophysiological mechanisms underlying psychiatric disorders. At the same time, inadequate research funding in areas such as childhood and adolescent mental disorders and major shifts in the financing of mental health care will profoundly affect the way psychiatry is practiced through the end of the century.
Brain imaging modalities are advancing our understanding of fundamental neuroanatomic mechanisms associated with schizophrenia, one of the most devastating of psychiatric illnesses. [See also Radiology.—Ed.] By using innovative techniques to scan transient behavioral events rapidly, Silbersweig et al1 at the Hammersmith Hospital, London, England, have provided visual maps that indicate the neuroanatomic substrate of hallucinations in schizophrenic patients. Positron emission tomography was used to measure changes in blood flow in the brains of
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