The functions of some peripheral factors in the control of eating can be demonstrated by the sham feeding preparation. But which of the following is NOT true? In the sham feeding preparation:
Correct answer: B. The stomach becomes full
- A. The animal tastes smells and eats the food normally
- B. The stomach becomes full
- C. It becomes clear that the taste and smell of food provide the immediate reward for food-motivated behavior
- D. It becomes clear that oropharyngeal make us feel satiated
Explanation
In sham feeding, food is tasted and chewed but is prevented from producing normal stomach filling, often through a fistula. This separates the immediate reward of oral sensations from later gastric and post-ingestive satiety signals.
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