Developm - Chapter 11 Developmental Psychology Lifespan...

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Chapter 11 Developmental Psychology
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Lifespan Development Developmental psychology The study of continuity and change throughout the lifespan
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Prenatality: a womb with a view You were born 9 months old the day you were born Electron micrograph of several human sperm, one of which is fertilizing an egg.
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Prenatal Development Zygote Single cell containing chromosomes from both parents Germinal stage 1st 2-week period following conception Embryonic stage Period of prenatal development that lasts from 2nd week until about 8th week 30 days 8 - 9 weeks 5 months
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Prenatal development Each human zygote contains 23 chromosomes from the sperm and 23 from the egg Sperm carries X or Y chromosome Y = male X = female
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Prenatal development Germinal stage 1 cell zygote begins to divide 2, 4, 6, 8 cells, and so on All cells will contain 23 chromosomes from sperm and 23 from egg Zygote migrates down fallopian tube, implants in uterus
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Prenatal development Embryonic stage begins when zygote implanted in uterus lasts from 2nd - 8th week zygote divides; cells differentiate masculinizes the reproductive organs
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Prenatal development fetal stage ninth week until birth skeleton, muscles; fetus moves nervous system complete by 6 months
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Prenatal development Nervous system: neurons manufactured migrate toward specific area of the brain myelination begins hearing and balance are myelinated at birth brain areas involved in abstract thinking are not fully myelinated until after age 20
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13 Prenatal Environment Teratogens Fetal alcohol syndrome significance of “syndrome”
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Infancy and Childhood: Becoming a Person Perceptual development Visual distance limited to close proximity (for detail) Newborns can follow moving stimulus with eyes Can distinguish novel and familiar stimuli
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Infancy and Childhood: Becoming a Person Perceptual development Newborns specially tuned into social stimuli They like faces Can mimic facial expressions within 1st hour of life
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infancy birth - 24 months motor development Emergence of
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This note was uploaded on 08/24/2011 for the course PSY 301 taught by Professor Pennebaker during the Spring '07 term at University of Texas.

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Developm - Chapter 11 Developmental Psychology Lifespan...

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