Broca’s aphasia: in this form of aphasia, speech output is severely reduced and is limited mainly to short utterances of less than four words. Vocabulary access is limited and the formation of the sounds by persons with Broca’s aphasia is often laborious and clumsy. The person may understand speech relatively well and be able to read, but be limited in writing. Broca’s aphasia is often referred to as ‘’ non fluent aphasia” because of the halting and effortful quality of speech.
Wernicke’s aphasia: in this form of aphasia the ability to grasp the meaning of spoken words is chiefly impaired, which the ease of producing connected speech is not much affected. Therefor Wernicke’s aphasia is referred to as a “fluent aphasia”. However, speech is far from normal. Sentences do not hang together and irrelevant words intrude sometimes to the point of jargon, in severe cases. Reading and writing are often severely impaired.
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