developmentalpartoneoutline

developmentalpartoneoutline - Development Part One...

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Unformatted text preview: Development Part One Developmental Psychology: Universal aspects of lifespan development from conception through death; Identifies cultural variations Explores physical, cognitive, social and emotional development Physical Development Cephalocaudal: head to feet (head/brain goes down to feet) Proximodistal: center moving outward (use of neck muscles then upper body then feet to stand/walk) Prenatal Development Germinal Phase (conception-2 weeks) Zygote: fertilized egg Placenta: structure that allows oxygen and nutrients to pass into fetus from mothers bloodstream; allows waste to pass out Embryonic Stage: (2-8 weeks) Head, face, and neck develop Buds for limbs form and grow Major organs/digestive system differentiating Heartbeat begins Fetal Stage: (8 th week- birth) 3 rd month: digestive organs begin to function Buds for teeth form Sex organs develop rapidly Arms/fingers move 4 th month: face looks human Lower body outgrows head bones are defined 5 th month: fingernails and toenails appear Lanugo: fine, wooly hair over body Vernix: waxy coating collects 6 th month: eyebrows/lashes well defined Eys completely formed 7 th month: fetus capable of life outside uterus 8 th /9 th month: fat is deposited for later use Fingernails beyond fingertips Lanugo is shed Myelination of brain takes places Chief organs increase functioning Vernix covers body Teratogens: harmful toxins that affect development resulting in defect, damage or anomaly Important concepts with teratogens Dose: how much? Basic Heredity: vulnerable vs. sturdy Age of organism at exposure Multiply determined: stress, nutrition, lack of medical care Teratogenic Agents Drugs or Chemicals Increased understanding of the role of parental exposure to drugs on the developing child: Thalidomide Stress: prolonged stress linked with prematurity and low birth weight Smoking: mild stimulant, increases fetal activity, low birth weight, increased SIDS (sudden infant death syndrome) Marijuana: low birthweight, disturbed sleep in newborns, reduced attention to environment Heroin: premature birth weight, tremulous behavior, poor sleep, poor sucking and feeding,...
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This note was uploaded on 12/08/2010 for the course PYSCH 111 taught by Professor Malley during the Spring '08 term at University of Michigan.

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developmentalpartoneoutline - Development Part One...

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