Multiple Choice
Which of the following body parts would you expect to have the greatest size difference between its area on the motor homunculus and its area on the sensory homunculus?
12. The Central Nervous System
The Cerebrum
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The visceral sensory area of the cerebral cortex is involved in the conscious perception of all the following EXCEPT __________.
A
upset stomach
B
the feeling that your lungs will burst when you hold your breath
C
taste
D
full bladder
Verified step by step guidance1
Identify the function of the visceral sensory area of the cerebral cortex. It is responsible for processing sensory information from the internal organs, which includes sensations like pain, pressure, and fullness.
Consider the examples given: an upset stomach, the feeling that your lungs will burst when you hold your breath, and a full bladder. These are all sensations related to the internal state of the body and are processed by the visceral sensory area.
Understand that taste is processed by a different part of the brain, specifically the gustatory cortex, which is responsible for the perception of taste.
Recognize that the visceral sensory area does not process taste, as taste is not a sensation from internal organs but rather from the taste buds on the tongue.
Conclude that the correct answer is 'taste' because it is the only option not processed by the visceral sensory area of the cerebral cortex.
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