One particularly frustrating thing about treating dysgraphia in the keyboard format is that recovering from an error (ie, a mis-typed letter) can be harder than it would have been to type the correct letter in the first place. There is a reasonable body of evidence that suggests people with acquired communication impairments are less equipped to learn from their errors than non-impaired individuals, and that instead therapists should focus on treatment modalities that do not allow the person with aphasia to make errors.

In addition to the work done in the area of naming and memory, there is some additional stuff.