Global aphasia. This is the most severe type of aphasia. It is often seen right after someone has a stroke. With global aphasia, the person has difficulty speaking and understanding words. In addition, the person is unable to read or write. Primary progressive aphasia.
However, unlike individuals with Broca’s aphasia, mixed non-fluent aphasia patients remain limited in their comprehension of speech, similar to people with Wernicke’s aphasia. Individuals with mixed non-fluent aphasia do not read or write beyond an elementary level.