Dementia
Historical document, translated for reference. It reflects medical knowledge of the 1920s–30s and is not medical advice.
Summary
This 1930s encyclopedia article defines dementia as acquired mental weakness as opposed to congenital feeblemindedness. It directs readers to specific conditions such as schizophrenia, progressive paralysis, and general mental deficiency for individual forms of the disorder.
Encyclopedia entry (1928–1936)
DEMENTIA (madness), dementia, dementedness, a term commonly used to designate a state of mental weakness acquired during the course of life, in contrast to congenital mental weakness (see Feeblemindedness). Regarding individual types of dementia, see Schizophrenia (D. praecox, D. paranoides, D. phantastica, D. simplex), Psychoses, Progressive Paralysis (D. paralytica), and Feeblemindedness.
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“Dementia.” Soviet Medical Encyclopedia. English translation of Bolshaya Meditsinskaya Entsiklopediya, 1st ed. (Moscow, 1928–1936), ed. N. A. Semashko. https://sovietmedicalencyclopedia.pages.dev/article/dementia/