Experiments with rats, monkeys and humans using sham feeding have advanced our knowledge about food intake by demonstrating that:
Correct answer: A. Satiety and reward signals are necessary to control eating
- A. Satiety and reward signals are necessary to control eating
- B. Taste and smell stop food-seeking
- C. Gastric distension is caused by sham feeding
- D. Satiety motivates food-seeking behavior
Explanation
Sham feeding allows taste and smell signals to occur without normal post-ingestive consequences, showing that eating is controlled by both immediate reward signals and later satiety signals. This demonstrates the combined role of reward and satiety in regulating food intake.
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