Gazzaniga 11 - Gazzaniga 11: Human Development -...

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Gazzaniga 11: Human Development - Developmental Psychology: Change in physiology, cog., social behavior over the life span What Shapes a Child - Developmental achievements depend on culture, environment, parenting, genes - The Womb: Prenatal : conception-birth o 2 Months Fetus, finishes at 3 months o 7 Months Nervous system formed o Hormones of mother affect the fetus o Teratogens: environmental agents that harm fetus Ex: drugs, alcohol, virus, etc. - Brain Development Promotes Learning o Infant visual range : 8-12 inches o Grasping reflex, Rooting reflex : turn and suck (ie breast feeding) o Myelination : Nerve fibers wrapped with fatty sheath to increase signal transmission speed o Synaptic Pruning: Use it or lose it policy in axon corrections o Plasticity o Critical Periods: Biologically determined time periods for the development of specific skills o Sensitive Periods: Biologically determined time periods when specific skills develop most easily Attachment Promotes Survival - Attachment: strong, emotional connection that persists overtime and across circumstances - Imprinting: Attach and follow first adult - Infants prefer comfort over needs - Separation Anxiety: Distressed when they can’t see attachment figure - Strange Situation Test - Types of Attachment o Secure Attachment: Readily comforted when caregiver returns after brief separation o Avoidant: ignores caregiver after brief separation o Anxious/Ambivalent: extremely upset when the caregiver leaves but rejects comfort when he returns o Disorganized: Mixed responses How do Children Learn about their World? -
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Gazzaniga 11 - Gazzaniga 11: Human Development -...

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