In trying to understand activity anorexia,researchers studied rats given opportunities to run on an exercise wheel and found that:

Question

Quizplus · Accepted Answer

Research has found that wheel running in rats activates the opioid neurotransmitter system, which may explain why some individuals with an activity anorexia subtype experience a "runner's high" and become addicted to exercise. Choice A is incorrect because rats will run on the wheel when hungry, but they may decrease their food intake as a result of the activity anorexia cycle. Choice B is incorrect because lesions in rats can impact their ability to regulate appetite and metabolism, but they do not necessarily affect wheel running behavior. Choice C is incorrect because stimulating the ventromedial hypothalamus may affect feeding behavior, but it is not directly related to wheel running behavior.

In Trying to Understand Activity Anorexia,researchers Studied Rats Given Opportunities