The Focus on Neuroscience Feature Discussed a PET Scan Study

question 30

Multiple Choice

The Focus on Neuroscience feature discussed a PET scan study comparing the brains of normal-weight individuals and obeseindividuals. One finding in the study was that compared withthe normal weight individuals, the obese individuals had:

• A)significantly fewer dopamine receptors in their brains.
• B)significantly lower levels of the neurotransmitter neuropeptide Y (NPY) in various brain areas, most notably the hypothalamus.
• C)significantly more dopamine receptors in their brains.
• D)significantly higher levels of the neurotransmitter neuropeptide Y (NPY) in various brain areas, most notably the hypothalamus.