Lecture 4 - Ch. 4: Human Development Developmental...

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Ch. 4: Human Development
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    Developmental Psychology study of physical, cognitive, and social  changes across the life span
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    Area of Study Developmental psychologists study the gradual, systematic, & sequential changes in human behavior predictable changes gradual changes biological & psychological changes (physical, Remember: Development is a life-long process
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    NATURE OR NURTURE How much is human development influenced by  our heredity (nature) and how much by our  experience (nurture)? Nature perspective - emphasized by stage theorists e.g: Piaget, Kohlberg, Freud Keys to nature theories maturation fixed order of stages Genetically predetermined
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    NATURE OR NURTURE Nurture perspective emphasized by learning theorists stress continuity slow continuous process neither rate nor order of changes is a  constant  see environment shaping development.
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    Critical Period optimal time when exposure to certain influences can ensure proper ("normal") developmen t. A sensitive period of time when we are open to a certain kind of change. Once this time is passed, the change may not ever occur.
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    Prenatal development Development begins at conception Stages Zygote Embryo Fetus Conception fertilized egg divides
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    Prenatal development Zygote conception to 2 weeks period of cell division and implantation into uterus very susceptible to teratogens exposure typically causes spontaneous abortion of zygote
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    Prenatal development, cont. Embryo
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Lecture 4 - Ch. 4: Human Development Developmental...

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