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Interactionist
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When nature and nurture both play a role in development
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Maturation
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Much of early development is determined by genetic programming
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3 Stages of Prenatal Development
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1. Germinal stage2. Embryonic stage3. Fetal stage
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Germinal Stage
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First two weeksconception, implantation, formation of the placentazygote
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Embryonic Stage
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Two weeks - two monthsformation of the vital organs and systems
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Fetal Stage
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Two months - birthbodily growth continues, movement capability begins, brain cells multiplyfetus
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Age of Viability
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22-26 weeksthe chance of surviving outside the womb before time
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Maternal Nutrition
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Malnutrition is linked to birth complications, psychopathology, neurological problems
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Teratogens
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Any external agent that can do damage at any point in prenatal development
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Maternal Illness
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Teratogens that can affect are STDs and AIDS, chicken pox
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Maternal Drug Use
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Teratogens that can affect are tobacco, prescription or over-the-counter drugs, recreational drugs, and alcohol
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Auditory
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Music preference at about 4 months
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Visual
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Ability to focusvisual cliff
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Habituation
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Attention lapses when a stimulus loses its novelty
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2 Trends of Motor
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1. Cephalocaudal Trend2. Proximodistal Trend
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