aphasia

1. (pathology) A partial or total loss of language skills due to brain damage. Usually, damage to the left perisylvian region, including Broca's area and Wernicke's area, causes aphasia.Examples: "The very disease aphasia is to most of us a new one; and we venture to say that even yet no one can give a satisfactory definition of Trousseau's new term."; "Of one form of aphasia we have an accurate description by Van Swieten, in his chapter on apoplexia:―"Vidi plures, qui ab apoplexiâ curati omnibus functionibus cerebri recte valebant, nisi quod deesset, hoc unicum, quod non possent vera rebus designandis vocabula invenire.""; "The Doctor came over in three minutes, and heard the story. ‘It's aphasia,’ he said."countableuncountable