Developmental Psychology Week 2 Notes
Developmental Psychology Week 2 Notes PSY 266
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This 3 page Class Notes was uploaded by Bailey Anderson on Saturday September 3, 2016. The Class Notes belongs to PSY 266 at Indiana State University taught by Dr. Caitlin C. Brez in Fall 2016. Since its upload, it has received 17 views. For similar materials see Development Psy in Psychology at Indiana State University.
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Date Created: 09/03/16
Developmental Psychology Week 2 Notes Week 10: really 8 weeks because they start counting at the last day of period 12 weeks: fetus fills entire uterus 14 weeks: can tell sex of fetusdefault is female, need a Y to stop it from happening 1620 weeks: movement can be felt by mother 2 trimester: further refined development 3 trimester: gaining weight and fat + development Causes of preterm delivery: o More common in multiple births (twins, triplets) o Age of parent: 35 or older and teens o Two babies born less than 18 months apart: second could be preterm o Poor parental nutrition, smoking, drugs, etc. Birth water births are more natural for the baby because they are surrounded by fluid in the womb and born into water Labor: o Oxytocin is released from mothers pituitary gland o 3 stages of labor 1: mother is experiencing contractions, longest stage, could last 1624 hours (depends) 2: baby moves into birthing canal and is birthed (pushing stage) 3: placenta and umbilical cord come out Placenta supplies blood, oxygen and nutrients to baby Some eat placenta because it contains hormones to help baby when breast feeding. Could help with postpartum depression and shrinking of uterus Cesarean Delivery: o Reasons for Csection: General fetus distress Breech position (feet first) or transverse position (sideways) Infant size is too big Elected o Risks for mother: Infection Blood loss Scarring Longer hospital stay Longer recovery time Mortality Emotional baby taken away instead of being put on chest like in a vaginal delivery o Risks for baby: Premature/lowbirthweight Physical injurycould cut baby when cutting through uterus Breathing difficultyprematurity, getting squeezed through birth canal allows fluid to be pushed out so this does not happen in Csection Low APGAR scores Test of newborn development by Virginia Apgar Scores: 0,1 or 2average is about 7 Measured at 1 minute and again at 5 minutes 5 qualities: Appearance (color) Pulse (heart rate) Grimace (reflex irritability) Activity (muscle tone) Respiration (respiratory effort) Infancy o Infant reflexes: Survival reflexes Breathing Swallowing Blinking o At birth Primitive reflexes Palmar or hand grasp, moro or startle, Babinski, stepping, sucking o Gross motor skills: large muscle groups Newborn: flailing 24 months: raise heads and hold up, need “tummy time” 4 months: start to roll stomach to back first usually 46 months: able to roll back to stomach, sit up with support 6 months: sit unsupported 79 months: start to be mobile (crawling, creeping, bear walk, scooting), stand with support, walk with support 912 months: stand unsupported 12 months: walk unsupported o Fine motor skills: Palmar grasp 3 months Pincer grasp 8 months o Role of Experience: sticky mittens o The newborn: immature or competent? both Competent can breathe, can learn, able to recognize Immature no fight or flight, can’t help themselves, can’t communicate, can’t feed o How do we assess infant perception? Habituation: shows them something until they’re bored and then show something else, looking time decreases Dishabituation: looking time decreases but then increases again Preferential looking: to see what they prefer
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