Motor aphasia is when the ability to speak and write is impaired or nonexistent. Aphasias in general are the inability to use language appropriately and may include problems speaking language, hearing language, and reading language. Individuals suffering from a motor aphasia can understand and comprehend words (spoken and written) but have difficulty or inability to actually speak the words. Motor aphasias are typically caused by lesions that affect the insula ande operculum areas of the brain, as well as Broca's area. Motor aphasia is a broad term that includes Broca's aphasia (hyperlink?).