Acalculia
Historical document, translated for reference. It reflects medical knowledge of the 1920s–30s and is not medical advice.
Summary
Acalculia is the loss of the ability to perform arithmetic calculations, often accompanied by an inability to understand numbers and mathematical symbols. It is caused by organic diseases of the brain. The article refers to aphasia and asymbolia regarding its localization.
Encyclopedia entry (1928–1936)
ACALCULIA (from Greek negative particle a- and calculi—pebbles used for counting), the loss of the ability to perform arithmetic operations. Not infrequently, those suffering from accalculia do not understand the meaning of numbers and conventional signs
Figure 1.
Site of the bite of Trombicula akamushi, accepted in mathematics. Acalculia is caused by organic diseases of the brain. On the localization of accalculia, see Aphasia, as well as Asymbolia.
Related articles
Mentioned in
Cite this page
“Acalculia.” Soviet Medical Encyclopedia. English translation of Bolshaya Meditsinskaya Entsiklopediya, 1st ed. (Moscow, 1928–1936), ed. N. A. Semashko. https://sovietmedicalencyclopedia.pages.dev/article/acalculia/