“Aphasia is a condition that robs you of the ability to communicate. It can affect your ability to speak, write and understand language, both verbal and written.
“Aphasia typically occurs suddenly after a stroke or a head injury. But it can also come on gradually from a slow-growing brain tumor or a disease that causes progressive, permanent damage (degenerative).
“The severity of aphasia depends on a number of conditions, including the cause and the extent of the brain damage.
“Once the cause has been addressed, the main treatment for aphasia is speech and language therapy.
“The person with aphasia relearns and practices language skills and learns to use other ways to communicate. Family members often participate in the process, helping the person communicate.”
Read more at Mayo Clinic