She examined brain-behavioral relationships in aphasia, apraxia, developmental issues in clinical neuropsychology, as well as normal and abnormal aging.
This agrammatism overlaps with receptive aphasia, but can be seen in patients of expressive aphasia without being diagnosed as having receptive aphasia too.
His views on aphasia have given way to studies on grammatical impairment and even computer-software assessment and rehabilitation of brain-damaged patients.
Although some patients showed improvement of symptoms and became more subdued, one patient died and several developed aphasia and/or seizure disorders.
