American Speech-Language-Hearing Association

ASHA Glossary: Wernicke's Aphasia

A type of fluent aphasia. Damage is typically in the posterior portion of the left hemisphere. Comprehension is poor and the person often produces jargon, or nonsensical words and phrases, when attempting to speak. These utterances typically retain sentence structure and intonation but lack meaning. The person is usually unaware of how they are speaking and may continue to talk even when they should pause to allow others to speak ("press of speech"). Repetition of words and sentences is poor.

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