Table 3.
Cognitive neuropsychological classification of agraphia.
| I. Central (linguistic) agraphia |
| Phonological agraphia |
| Lexical (orthographic) agraphia |
| Surface agraphia |
| Deep agraphia |
| II. Peripheral (motor) agraphia |
| Apraxic agraphia |
| Allographic agraphia |
| cf. Somesthetic dysgraphia |
Based on Ullrich and Roeltgen (2011) and Beeson and Rapcsak (2010).