L6P1 - determinants of childs food preferences
- Created by: BKW
- Created on: 08-01-20 19:08
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- L6 P1 - Determinants of children's food preferences
- Developmental stages
- prenatal experiences
- first experience of flavours through amniotic fluid in the womb through maternal diet
- Manella,Johnson&Beauchamp - Garlic study 10 pregnant women
- Schall,Marlier&Soussignan - Anaiseed study- 24 neonates mothers either consumed anaise or not during pregnancy - infants who had displayed liking to anaiseed when tested at birth and 4 days later
- Manella, Jagnow&Beauchamp - carrot juice study on 46 pregnant mothers in last trimester - infants exposed to carrot during pregnancy OR breastfeeding responded better to carrot flavoured cereal
- Studies don't have a lot of pps and not a lot of replications
- first experience of flavours through amniotic fluid in the womb through maternal diet
- Breastfeeding
- Manella, Jagnow&Beauchamp - carrot juice study on 46 pregnant mothers in last trimester - infants exposed to carrot during pregnancy OR breastfeeding responded better to carrot flavoured cereal
- Victoria et al meta analysis found breastfeeding protects child against infections and likely vvv overweight/diabetes
- first few months breastfed babies grow faster but bottle fed catch up by 1y/o but breastfed babies are leaner
- Also some evidence suggesting protects mother from ovarian/breast cancer and T2D
- Lancet series 2016 "breast milks makes the world healthier, smarter and more equal"
- Heiniget al promotes Nutritional Wisdom - infants regulating own energy intake
- Maier et al/ Hausner et al suggest mums who experience more flavours in BF ^^^ infants acceptance of new food at weaning
- Cooke et al/Galloway et al - BF infants = less picky and eat more fruit/veg than formular fed
- Weaning
- Debate around when this should be
- all agree never before 4 months
- WHO 6months
- Ong et al - before 4 links to obesity
- EuropeanFoodSafetyAuthority - 4-6monnthss
- Sensitive periods evidenced by Schwartz et al - most foods accepted at early stage of weaning
- Coulthard et al - leaving weaning too late 10+ months = vvv fruit/veg and ^^^feeding difficulty at 7y/o
- Debate around when this should be
- Self feeding children
- Dietary learning
- Repeated exposure = ^^^ acceptance
- Sullivan&Birrch - 3-4y/o food theyve never had before - took 8-15 exposures before readily accepting. preferred foods they already knew
- Zajonc - Mere exposure - emotional responses become more positive the more we are exposed
- Learned safety
- Birch&Fisher - children learn association between food flavour and post-ingestive consequences
- also associate flavour with fullnesss - this is called Foulavr nutrient consequence learning
- Birch et al/Johnson et al - show children demonstrate this age 2-5
- also associate flavour with fullnesss - this is called Foulavr nutrient consequence learning
- Birch&Fisher - children learn association between food flavour and post-ingestive consequences
- Preload paradigm
- Birch&Deysher - did this on 3-5 y/o - 18pps in exp1,10in exp2. Conditioning and extincttion trialswith choc/vanilla puddings
- Found children continued to eat more in response to flavour that was paired with LOW calorie content
- Childrens ability to do this declines with age
- Cecil et al - replicated on older and younger childre (6-7&8-9) = older children had poorer adjustment
- Johnson 2000- compensation accuracy can be increased in 3-4y/o using self regulation stratedgies and ability to recognise internal hunger and satiety cues
- Cecil et al - replicated on older and younger childre (6-7&8-9) = older children had poorer adjustment
- Childrens ability to do this declines with age
- Found children continued to eat more in response to flavour that was paired with LOW calorie content
- Birch&Deysher - did this on 3-5 y/o - 18pps in exp1,10in exp2. Conditioning and extincttion trialswith choc/vanilla puddings
- Repeated exposure = ^^^ acceptance
- Food Neophobia tends to occur around age 2
- Rozin 1967 - The omnivores dilemma - maladaptive response to unfamilliar food
- Cooke et al 2007 - Neophobic 4-5 y/o ate less fruit/veg/proteinand total calories than non neophobic - also its highly heritable
- Dietary learning
- prenatal experiences
- Dietary learning
- Repeated exposure = ^^^ acceptance
- Sullivan&Birrch - 3-4y/o food theyve never had before - took 8-15 exposures before readily accepting. preferred foods they already knew
- Zajonc - Mere exposure - emotional responses become more positive the more we are exposed
- Learned safety
- Birch&Fisher - children learn association between food flavour and post-ingestive consequences
- also associate flavour with fullnesss - this is called Foulavr nutrient consequence learning
- Birch et al/Johnson et al - show children demonstrate this age 2-5
- also associate flavour with fullnesss - this is called Foulavr nutrient consequence learning
- Birch&Fisher - children learn association between food flavour and post-ingestive consequences
- Preload paradigm
- Birch&Deysher - did this on 3-5 y/o - 18pps in exp1,10in exp2. Conditioning and extincttion trialswith choc/vanilla puddings
- Found children continued to eat more in response to flavour that was paired with LOW calorie content
- Childrens ability to do this declines with age
- Cecil et al - replicated on older and younger childre (6-7&8-9) = older children had poorer adjustment
- Johnson 2000- compensation accuracy can be increased in 3-4y/o using self regulation stratedgies and ability to recognise internal hunger and satiety cues
- Cecil et al - replicated on older and younger childre (6-7&8-9) = older children had poorer adjustment
- Childrens ability to do this declines with age
- Found children continued to eat more in response to flavour that was paired with LOW calorie content
- Birch&Deysher - did this on 3-5 y/o - 18pps in exp1,10in exp2. Conditioning and extincttion trialswith choc/vanilla puddings
- Repeated exposure = ^^^ acceptance
- Parental influence
- Birch, McPhee et al did a replication of Bich and Deysher but with 2 feeding contexts - showing eexternal context using toy as a reward showed no learning flavour, nutrient associations
- Wardie&Carnell - 4 spects of parental feeding style: 1. Restriction 2. pressuring 3. instrumental feeding 4. emotional feeding
- Restricting children makes them want it more
- Jansen, Mulkens&Jansen - RED food study
- Fisher&iBrch restricted acess to a peach/apple bar for 5 weeks, when given access they ate more and chose it more
- Birch, Fisher and Davidson - girlswho had higher restriction at 5y/ohad higher levels of eating in absence of hunger at age 7&9
- Carper Fisher &Birch - 197 5y/o girs -1/3 reported moderate dietary restrain, 75% report extremely disinhibited eating in presence of palettable food
- Developmental stages
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