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

question 41

Multiple Choice

The Focus on Neuroscience box, "Dopamine Receptors and Obesity," discussed a study in which women each drank a rich chocolate shake and had her brain scanned with fMRI. Six months later, the women returned and had their brains scanned again after drinking a shake. What happened to the women who had gained weight in the six-month interval between the brain scans?

• A)They showed no difference in dopamine response to the milkshake between the two scans.
• B)They showed an increase in dopamine response to the milkshake during the second scan.
• C)They showed a decrease in dopamine response to the milkshake during the second scan.
• D)They showed no dopamine response to the milkshake during the second scan.

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Definitions:

Job Characteristics Model

A framework that suggests jobs can be designed with specific characteristics (skill variety, task identity, task significance, autonomy, and feedback) to enhance job satisfaction, motivation, and productivity.

Individual Differences

Variations or disparities among individuals in terms of traits, abilities, or characteristics.

Expectancy Model

A theory that suggests motivation is based on the expectation of desired outcomes and the value placed on those outcomes.

Motivated

Refers to being driven or encouraged to act or accomplish something due to either internal desires or external rewards.