Psychology A-Level
Ghrelin as a short-term hunger signal
What Ghrelin as a short-term hunger signal means in Psychology A-Level, as defined for AQA.
Definition of Ghrelin as a short-term hunger signal
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Reference: AQA
Released by the empty stomach lining, it acts on neuropeptide Y cells in the arcuate nucleus, rising sharply before a meal and falling once food arrives.
Topics that use Ghrelin as a short-term hunger signal
- Eating behaviour (AQA A-Level)
Related terms
- biological reductionism
- Boundary model
- Cognitive distortions and irrational beliefs
- Disinhibition
- Dopamine D₂ receptors
- Enmeshment and family boundaries
- Genetic inheritance
- Homeostasis and negative feedback
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