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Broca's Aphasia and Euthanasia

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1. Why do most people with Broca's aphasia suffer from paralysis on the right side of the body, and most people with Wernicke's aphasia do not. Why do you think this is the case?

2. What is your opinion on active and passive euthanasia, should society allow these practices?

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Solution Summary

This solution explains why most people with Broca's aphasia suffer from paralysis on the right side of the body, whereas most people with Wernicke's aphasia do not. It also explains active and passive euthanasia, and if society should allow these practices. Supplemented with an article on the legal implications to legalizing euthanasia.

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1. Why do most people with Broca's aphasia suffer from paralysis on the right side of the body, and most people with Wernicke's aphasia do not? Why do you think this is the case?

Individuals with Broca's aphasia (also termed expressive aphasia) were once thought to have ventral temporal damage though more recent work by Nina Dronkers using imaging and 'lesion analysis' has revealed that patients with Broca's Aphasia have lesions to the medial insular cortex. Broca missed these lesions because his studies did not disect the brains of diseased patients so only the more temporal damage was visible. Individuals with Broca's aphasia often have right-sided weakness or paralysis of the arm and leg because the frontal lobe is also important for body movement (http://en.wikipedia.org/wiki/Aphasia#Symptoms).

In contrast to Broca's aphasia, damage to the temporal lobe may result in a fluent aphasia that is called Wernicke's aphasia (also termed sensory aphasia). These individuals usually have no body ...

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