| Wernicke Aphasia There are two main components to this type of aphasia. The first is impairment in the comprehension of written and spoken language. The second is an inability to speak substantive language; often times these patients are unable to form some words correctly and seem to inject words in their sentences that do not fit (paraphasia). These persons cannot function independently in society because they are unable to understand the meaning of written and spoken words, and they are unable to tell others what they want or think because their own speech is devoid of content. Since there may not be any difficulty making the sounds of language, another name for this disorder is 'fluent or sensory' aphasia. Lesions producing this disorder can be found in the boundary region of the temporal and parietal lobes on the dorsolateral surface of the left (in most persons) cerebral hemisphere. When this disorder is due to a stroke there may be improvement to the point that the aphasia can no longer be detected except through specific tests. |
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 Wernicke, Carl 1848-1904 |