Dehaene had been invited to see him because his impairments included severe acalculia, a general term for any one of several deficits in number processing. |
Testing of acalculia has to encroach both oral and written calculations with clinical and standardized neuropsychological tests. |
Various symptoms may be associated with acalculia, including disorders of number processing and difficulties in processing arithmetical signs. |
The clinical terms are acalculia, for people like Signora Gaddi who lost her sense of numbers after a stroke, and dyscalculia for people who were born without numbers. |
This site gives links to pertinent other sites, including on smoker brain damage, especially acalculia, and an overview of the background on the smoking-gambling connection. |
This reported acalculia, specifically anarithmetria, is a feature atypical for the pure syndrome of alexia without agraphia. |