American Speech-Language-Hearing Association

ASHA Glossary: Aphasia

An acquired neurogenic language disorder resulting from an injury to the brain that affects all language modalities. Aphasia is not a single disorder, but instead a family of disorders that involve varying degrees of impairment in four primary areas: spoken language expression, spoken language comprehension, written expression, and reading comprehension. A person with aphasia often has relatively intact nonlinguistic cognitive skills, such as memory and executive function skills, although these and other cognitive deficits may co-occur with aphasia.

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