acalculia
/ˌeɪkalˈkjuːlɪə
/noun [mass noun] Medicine
Loss of the ability to perform simple calculations, typically resulting from disease or injury of the parietal lobe of the brain.Denburg and Tranel have described three general categories of acalculia, which are summarized in Table 11-1....
- Patients with acalculia are unable to perform mathematical calculations, although some other numerical processing may still be available to them.
- Testing of acalculia has to encroach both oral and written calculations with clinical and standardized neuropsychological tests.
Origin
Early 20th century: from a-1 'not' + Latin calculare 'calculate' + -ia1.