If the ventromedial nucleus (VMN) of a rat's brain is destroyed, the rat
A)becomes aphagic and continues to eat until it has doubled its normal weight.
B)becomes aphagic and stops eating altogether.
C)becomes hyperphagic and continues to eat until it has doubled its normal weight.
D)becomes hyperphagic and stops eating altogether.

Question

Quizplus · Accepted Answer

The ventromedial nucleus (VMN) is responsible for regulating satiety and controlling food intake. When destroyed, the rat becomes hyperphagic and continues to eat until it has doubled its normal weight. This is because the signals that normally tell the rat when it is full and should stop eating are disrupted.

If the Ventromedial Nucleus (VMN) of a Rat's Brain Is