Textbook Notes (368,116)
Canada (161,659)
Psychology (9,695)
PSYA02H3 (961)
Chapter 10

Chapter 10 notes

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Steve Joordens

1Developmental psychology the study of change and stability of human physical cognitive social and behavioural characteristics across the life span Crosssectional design used to measure and compare samples of people at different ages at a given point in time comparing premature babies into adulthood using different age groupsCohort effects consequences of being born in a particular yeat or narrow range of years issue in crosssectional a 1 year old cohort might develop differently than a 20 year old one because of differences in infant healthcare longitudinal avoids thisLongitudinal design follows the development of the same set of individuals through time identify a set of 50 infants and measure cognitive development over 20 yearsStages rapid shifts in thinking and behaving Continuous change in adultsSensitive period a window of time during which exposure to a specific type of environmental stimulation is needed for normal development of a specific ability Fertilization and GestationGerminal stage the first phase of prenatal development that spans from conception to two weeks Zygote a cell formed by the fusion of sperm and an ovumGestational age the estimated time since fertilization Blastocyst 5 days old contains 50 to 150 nonspecialized cells develops into embryo and fetus forms Embryonic stage week 28 during which the embryo begins developing heart nervous system arms legs and feet Fetal stage 8 weeksbirth during which time the skeletal organ and nervous system become more developed and specialize Sex organs appear at 3 monthsHuman brain development is lengthyThe first sign of the major divisions of the brain forebrain midbrain and hindbrain are apparent at 4 weeks gestation By 11 weeks cerebral hemispheres cerebellum and brain stems form During final months myelin builds upPreterm infants born at 36 weeks or earlierNewborn Individualized Developmental Care and Assessment Program NIDCAP calls for minimum lights sound levels and stress to promote healthy brain development in preterm babies
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