Examlex
Would three-year-olds enjoy the game of peek-a-boo? Would you expect to see cultural variations? Explain.
Dopamine
A neurotransmitter in the brain that plays a major role in reward-motivated behavior, pleasure, and regulation of movement.
Impulses
Sudden, involuntary urges to act or behave in a certain way, often without forethought.
Ghrelin
A hormone produced in the stomach that stimulates appetite, signaling the brain to increase food intake.
Leptin
A hormone produced by fat cells in the body that helps to regulate body weight by inhibiting hunger and thereby reducing food intake.
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