PSYC 3404 Chapter Notes - Chapter 5: Cultural-Historical Psychology, Gender Identity, Language Development
10 Apr 2018
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Physical development: growth and change in years 2 and 3 (toddlerhood) Average boy is slightly taller and heavier than average girl. Toddlers in developed countries grow more rapidly than in developing countries. Kwashiorkor: protein deficiency lethargy, thinning hair, irritability. Need micronutrients (iron, zinc, vitamins a, b12, c, d, iodine- most deficient) After peak of synaptic density, synaptic pruning occurs. Remove ~ synapses in frontal cortex. Eeg (electroencephalogram): measure electrical activity of cerebral cortex. Fmri (functional magnetic resonance imaging): changes in blood flow and oxygen use in brain in response to different stimuli; can detect activity in any part of the brain. Increased amount of waking up at night (due to teething, separation from parents) Stand on one leg, climbing: ~15 months. Kick a ball/throw an object: ~ 24 months. Continues development; not as drastic as gross motor development. Eg) gripping a spoon, left-right hand preference, etc. Physical development: socializing and physical functions: toilet training and weaning.
