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What is Aphasia?

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Introduction

Aphasia is classified as a language disorder caused by damage to the temporal lobe or damage higher up in the frontal lobe. It causes problems with receptive and expressive functions. Aphasia is damage in understanding and establishing complex, meaningful elements of language. It causes problems with words and word order making difficulties in reading and writing. There are many ways to test that Mr. McGeorge has symptoms that would lead me to believe that the damage that was taken on him was located in the three different areas. The Broca's area is the section of the human brain, which is located in the lower front gyrus of the frontal lobe of the cerebral cortex, which is involved in language processing, such as speech, in production and understanding. ...read more.

Middle

It is involved in assessing the grammar and structure of speech while listening. Speech is transported from the auditory area to Wernicke's area for evaluation of the significance of content words, then to Broca's area for analysis of grammar. The area is named after Paul Pierre Broca, who first described it in 1861, who observed the effects of damage and conducted a post mortem examination. It is connected to Wernicke's area by a neural pathway called the arcuate fasciculus. Wernicke's area is a part of the human brain which forms part of the cortex, on the left posterior section of the part of the brain where the temporal lobe and parietal lobe meet. ...read more.

Conclusion

It is particularly known to be involved in the understanding and comprehension of spoken language. It is connected to Broca's area by a neural pathway called the arcuate fasciculus as well. The angular gyrus is a region of the inferior parietal lobe of the brain that is involved in the processing of auditory and visual input and in the comprehension of language. If Mr. McGeorge was damaged in the region of the brain containing the angular gyrus he would be unable to process written material. While Mr. McGeorge could still speak and comprehend spoken language he would have impaired reading abilities. If Mr. McGeorge suffered damage to his left hemisphere in Wernicke's area he would be unable to comprehend spoken language. In this instance Mr. McGeorge would still be able to speak and read, but his understanding of complex sentences would be diminished. ...read more.

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