acalculian.
/ˌeɪkalˈkjuːlɪə/, U.S. /ˌeɪkælˈkjuljə/, /ˌeɪkælˈkjuliə/ Medicine.
Loss or impairment of the ability to perform arithmetic calculations, resulting from injury to the brain. Cf. dyscalculia n.
ΘΚΠ
the world > health and disease > mental health > mental illness > degree or type of mental illness > [noun] > impairment of mental powers > dyslexia, aphasia, or dyscalculia
aphemia1864
agraphia1867
aphasia1867
asymbolia1874
alexia1875
agraphy1879
amusia1890
anomia1897
dyslexia1917
strephosymbolia1925
acalculia1926
dysgraphia1934
dyscalculia1953
1926 S. E. Henschen in Brain 49 120 Lesions that cause acalculia, or impossibility of calculation, are often very large and associated with word-blindness and agraphia or severe visual disturbance.
1974 H. Schuell Aphasia Theory i. 57 Nielsen has identified 87 specific defects, including various types of aphasia..and acalculia, which are produced by lesions in a specified site.
2003 Daily Tel. 3 Sept. 16/5 The activation of the parietal lobes complements earlier work showing that patients with damage to this area often suffer from ‘acalculia’, where number skills are affected.
This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021).
<
n.1926