Appetite (RF) Flashcards
What Is food addiction?
where certain foods have a similar effect on the brain and behaviour as addictive substances
What is reward-driven eating?
driven to eat by the incentive (reward) value of food
What is cue reactivity?
a learned response
where exposure to food cues elicits conditioned responses e.g craving
What is one argument for food being as addictive as drugs? (cues)
food and drug cues activate similar brain regions
left amygdala and striatum
nucleus accumbens (important in learning, reward and motivation)
What is one argument for food being as addictive as drugs? (dopamine)
food and drugs have similar effects on dopamine function
similar abnormalities in dopamine D2 receptors in striatum (lower amount)
What is one argument for food being as addictive as drugs? (DMS-5)
clinical overlap between problematic eating and core features of SUDs
DSM-5 criteria: withdrawal, craving, physical and psychological problems
What scale has been used to look at food addiction?
Yale Food addiction scale
What is one argument against food being as addictive as drugs? (cues)
cue reactivity does not mean addiction
nucleus accumbens found to be activated when listening to favourite music
What is one argument for food being as addictive as drugs? (scale used to measure)
questionnaires used to measure something doesn’t make it a real clinical concept
What is one argument for food being as addictive as drugs? (addictive substance)
the addictive substance in food is unknown - some suggest it’s sugar