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

The Focus on Neuroscience box "Dopamine Receptors and Obesity" described a PET scan study comparing normal weight and obese individuals. What did the study find?

A) Obese individuals had significantly more dopamine receptors than normal-weight individuals.
B) Compulsive or binge eating is caused by higher levels of the neurotransmitter dopamine in the brain.
C) Among obese participants in the study, the number of dopamine receptors in the brain increased as body mass index increased.
D) Obese individuals had significantly fewer dopamine receptors than normal weight individuals.