HD FS 229 Lecture Notes - Lecture 8: Gestation, Brain Damage, Apache Hadoop
15 Sep 2016
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Last to stop growing (evolutionarily newest: on the outside, has largest opportunities for environment to shape. 85% of brain"s weight: empathy, cognitive thinking. Lateralization: 2 hemispheres, right hemisphere different responsibilities than left hemisphere, makes brain more efficient, right hemisphere. Motor skills on left side of body. Sensory input on left side of body. Positive emotions: in infancy, brain not lateralized yet. Areas of brain not yet assigned responsibility (happens in early childhood) Not yet lateralized: if lost motor skills, another part of brain gets the responsibility. Crowding effect: child who has half a brain still has all responsibilities but in a smaller space (in brain, advanced sills may not be available (for a child who lost motor skills, etc. ) Controversy: how to view the first 3 years of life. 40% of 3 month olds are regular viewers of dvds. 90% of children spend 2-3 hours in front of a screen daily by the age of 2.
