Wernicke's aphasia UK /ˈvɜːnɪkəz əˈfeɪʒə/US /ˈvɝnɪkəz əˈfeɪʒə/ noun1 •A type of aphasia traditionally associated with neurological damage to Wernicke's area in the brain; the patient speaks with normal grammar, syntax, and intonation, but may use the wrong words or insert non-existent words.