PSYC 220 1st Edition Lecture 8OUTLINE OF PREVIOUS LECTURE:o small continuation of lecture 6o childbirth movie, The Business of Being BornOUTLINE OF CURRENT LECTURE:o Ch4: infant physical developmento Breastfeedingo Advantageso Breastfeeding and cognitiono methodCURRENT LECTURE:CH4- Issues in Infant Physical DevelopmentBreastfeeding- Begins with colostrum: in humans clear/yellow fluid filled with antibodies that boosts the baby’s immune system- After a day or two the milk will transition from the colostrum -> ~3 days breast engorged with breast milk- AAP recommends exclusive breastfeeding for the first 6monthso Exclusive = no other nutritional sources. No formula, no baby food, etc. nothing but breastmilko *we go against this rule because we’re not seeing it in our public, mother’s have to learn how to breastfeed it doesn’t come naturally because breastfeeding isn’t seen- AAP recommends breastfeeding for at least one year - Research suggests natural age of weaning is between 2-6years of age- Currently about 2/3 of u.s. mothers initiate breastfeedingAdvantages of Breastfeeding for the baby- IQ differenceso Girls: 8.2pts higher , 6.2pts higher in boys Compared to the never breastfed group Favor breastfed babies 3880 kids assessed at age 5- best nutritionally- babies who breastfeed at least six months have:These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.o fewer gastrointestinal infections potentially fatal for babieso fewer respiratory infections breastfeeding boosts immune system, antibodieso fewer doctors visitso fewer allergies: food/generalo lower incidence of adult and childhood obesity maybe because babies who breastfeed learn the feeling of safety? “I’m full I’ll stop eating”vs mom feeding with a bottle, trying to empty it rather than see if the baby is full or notBreastfeeding and Cognition- what is going on here?- Method:o Longitudinal sampling of colostrum and then breast milk at 1month 3 monthso 3 factors: gestational age (how long they were in utero), PUFA (poly-unsaturated fatty acids in breast milk encourages neural growth) and length of breastfeeding contributed to IQo different women have different levels of colostrumo high levels of PUFA for cognitive developmentThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a