释义 |
dyscalculia Med.|dɪskælˈkjuːlɪə| [f. dys- + calculate v.1 + -ia1.] Severe disturbance of the ability to calculate, resulting from cerebral injury.
1953M. Critchley Parietal Lobes vii. 208 Dyscalculia is the fourth characteristic feature of the Gerstmann syndrome... The most striking defects are apparent when the patient attempts to make calculations upon paper. 1964― Developmental Dyslexia vi. 38 There may exist a higher-level dyscalculia, made up partly at any rate by an inability to visualise numbers. 1965W. R. Brain Speech Disorders (ed. 2) iii. 27 Dyscalculias of the spatial type indicate a lesion of the right hemisphere. 1965Luchsinger & Arnold Voice-Speech-Language ii. b. i. 596/1 True dyscalculia is present when the processes of calculation are disturbed independently of the reading act and in all forms of mathematical manipulation. |