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Zoe MCQ 26

Topic: Anatomy

Created on Saturday, November 26 2022 by zoe

Last modified on Saturday, November 26 2022.

An experiment removing the bilateral temporal lobe results in a Kluver-Bucy syndrome. The animals became fearless with no emotional reactions, hypersexual and indiscriminate in their choice of sexual partners. They also examined all objects in sight, eating everything that seemed edible, and did not recognize any objects they had seen before. What structures are likely not working, leading to this presentation?

A) Amygdala and hippocampus

B) The temporal lobe contains visual association which is now not working

C) Amygdala and visual association areas on the inferior surface of the temporal lobe

D) The anterior commissure

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This question was created on November 26, 2022 by zoe.
This question was last modified on November 26, 2022.

ANSWERS AND EXPLANATIONS

A) Amygdala and hippocampus

This answer is incorrect.

The Klüver-Bucy syndrome has been fractionated to some extent: the placidity and hypersexuality result from destruction of the amygdala, and the visual agnosia from damage to visual association areas on the inferior surface of the temporal lobe. (See References)

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B) The temporal lobe contains visual association which is now not working

This answer is incorrect.

This is partly true. The Klüver-Bucy syndrome has been fractionated to some extent: the placidity and hypersexuality result from destruction of the amygdala, and the visual agnosia from damage to visual association areas on the inferior surface of the temporal lobe. (See References)

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C) Amygdala and visual association areas on the inferior surface of the temporal lobe

This answer is correct.

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D) The anterior commissure

This answer is incorrect.

Although this was cut to separate the lobes, the actual parts that are not working are the amygdala and the temporal lobe. The Klüver-Bucy syndrome has been fractionated to some extent: the placidity and hypersexuality result from destruction of the amygdala, and the visual agnosia from damage to visual association areas on the inferior surface of the temporal lobe. (See References)

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References:

1. Nolte Chapter 23: Pages 569

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anatomy
Zoe MCQ 26
Question ID: 112622098
Question written by zoe. (C) FrontalCortex.com 2006-2009, all rights reserved. Created: 11/26/2022
Modified: 11/26/2022
Estimated Permutations: 24