The Focus on Neuroscience Box "Dopamine Receptors and Obesity" Discussed

Multiple Choice

The Focus on Neuroscience box "Dopamine Receptors and Obesity" discussed a study in which the diet of rats was manipulated. One group ate rat chow-a nutritionally balanced diet-while the other group ate junk food-high-fat, sugary foods. What happened to the rats on the junk-food diet?

A) The rats had an increase in the number of dopamine receptors.
B) The rats experienced sensory-specific satiety for the junk food.
C) Their dopamine response was significantly reduced.
D) Their dopamine response was significantly increased.