mania(redirected from late-onset mania)
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a state characterized by excessive elevation of mood and cheerfulness, an acceleration of associative processes, instability, distractibility, and agitophasia.
Mania may arise with schizophrenia, infectious and intoxicative diseases, injuries, or brain tumors. The condition is manifested most typically in the manic state of manic-depressive psychosis.
In antiquity the term “mania” referred to all forms of mental disturbance with motor and speech agitation. Later, it was used as a synonym for delirium or an irresistible urge (for example, pyromania, the urge to set fires, and kleptomania, the urge to steal). In the first half of the 19th century the French psychiatrist J. E. D. Esquirol advanced the popular conception of monomania—an obsession with a single idea or urge. From the mid-19th century to the beginning of the 20th, mania was considered a separate disease.
I. I. LUKOMSKII