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Developmental Psychology Week 2 Notes

by: Bailey Anderson

Developmental Psychology Week 2 Notes PSY 266

Marketplace > Indiana State University > Psychology > PSY 266 > Developmental Psychology Week 2 Notes
Bailey Anderson

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About this Document

These notes cover everything that was presented in lecture during week 2 of class
Development Psy
Dr. Caitlin C. Brez
Class Notes
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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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