Under the harsh fluorescent lights of an emergency room, most people can verbally communicate their symptoms and severity of pain to a nurse. Those who cannot use their voice to communicate must rely ...

Aphasia occurs when a brain disorder affects a person’s language abilities, such as speaking, reading, and writing. The type of aphasia a person has depends on where damage occurs in the brain.

People who've had strokes or traumatic brain injuries often live with aphasia: difficulty using language, both written and spoken. But music mostly originates in the undamaged hemisphere of the brain.