5.DevMM - Developing Through the Life Span Prenatal...

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1 Developing Through the Life Span Psych 12000.003 2 Developing Through the Life Span Prenatal Development and the Newborn Conception Prenatal Development The Competent Newborn Infancy and Childhood Physical Development Cognitive Development Moral Development Attachment Style 5.Dev 3 Developing Through the Life Span Adolescence Physical Development Cognitive Development Social Development Emerging Adulthood Adulthood Physical Development Cognitive Development Social Development 5.Dev 4 Developing Through the Life Span Methodological Issues – How best to study? • Study same people across time (within-S or longitudinal design) or different aged people at the same time (between-S or cross lagged design)? – Same people across time: takes a long time, participants drop out, etc. – Different ages at same time: Effects could be because of the “era in which we live” (aka cohort effects) Development: What is changing across time? – The “big confound” Reflections on Two Major Developmental Issues – Continuity and Stages – Stability and Change 5.Dev 5 Development: What is it? • Change (usually progressive change) across time. • What changes in human development? – Physical form – Physical capabilities – Cognitive capabilities – Moral capabilities – Personality – Societal expectations – Roles – Responsibilities 5.Dev 6 Developmental Psychology Big Issues Questions they raise Nature/Nurture How do genetic inheritance ( our nature ) and experience ( the nurture we receive ) influence our behavior? Continuity/Stages Is developmental a gradual, continuous process or a sequence of separate stages? Stability/Change Do our early personality traits persist through life, or do we become different persons as we age. 5.Dev
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2 7 Prenatal Development and the Newborn How, over time, did we come to be who we are? From zygote to birth, development progresses in an orderly, though fragile, sequence. 5.Dev 8 Conception A single sperm cell (male) penetrates the outer coating of the egg (female) and fuses to form one fertilized cell. Lennart Nilsson/ Albert Bonniers Publishing Company 5.Dev 9 Prenatal Development A zygote is a fertilized cell with 100 cells that become increasingly diverse. At about 14 days the zygote turns into an embryo (a and b). Lennart Nilson/ Albert Bonniers Publishing Company Biophoto Associates/ Photo Researchers, Inc. 5.Dev 10 Prenatal Development At 9 weeks, an embryo turns into a fetus (c and d). Teratogens are chemicals or viruses that can enter the placenta and harm the developing fetus. 5.Dev 11 The Competent Newborn Infants are born with reflexes that aid in survival, including rooting reflex which helps them locate food. 5.Dev
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This note was uploaded on 02/10/2012 for the course PSYCH 350 taught by Professor Conger during the Fall '10 term at Purdue.

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5.DevMM - Developing Through the Life Span Prenatal...

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