agraphia

/ey-graf-ee-uh, uh-graf-/US // eɪˈgræf i ə, əˈgræf- //UK // (əˈɡræfɪə) //

书写障碍症,书写困难症,书写困难症患者,书写错误症

Definitions

n.名词 noun

1
Pathology.
- : a cerebral disorder characterized by total or partial inability to write.

If he were not illiterate we could, by asking him to write, say if agraphia also is present.
Destruction of the visual speech centre by obliterating the visual memories of words (amnesia verbalis) produces agraphia.
As already mentioned, agraphia is very often associated with motor vocal aphasia.