Chapter 5 - Chapter 5: Development and Plasticity Jean...

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Chapter 5: Development and Plasticity Jean Piaget: Object Permanence occurs between 7-12 months when the baby’s prefrontal cortex develops creating new synapses. Development of Neurons: 1.) Proliferation: production of new cells; Cells are made in the central canal of the spinal cord and the lining of the ventricles in the brain. a. Vary according to time proliferation lasts and number of new cells 2.) Migration: cells move toward their eventual destination in the brain following chemical paths, specifically immunoglobulins. a. Tangenitial migration: migration down and around the neural tube (axon sent out) b. Radial Migration: away from the center of the neural tube (Glia mediated) 3.) Differentiation: forming the axon and dendrites that provide its distinctive shape. a. Axons grow first b. Immature neurons can be transplanted and develop new properties c. Ferret experiment using visual component connected to auditory cortex 4.) Myelination: process by which glia produce the insulating fatty sheaths that
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This note was uploaded on 03/28/2008 for the course PSYCH 31:012 taught by Professor Inahlee during the Fall '07 term at University of Iowa.

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Chapter 5 - Chapter 5: Development and Plasticity Jean...

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