HUMANDEV 270 Lecture Notes - Lecture 9: Myelin, Permanent Teeth, Metacognition
8 Nov 2016
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Document Summary
Trick: get someone to pay you for what you want to do. You want something you can get by taking that action, the action is reasonable. Adolescent growth spurt begins at 9 for girls and 11 for boys. Age 6 brain is 95% the size of an adult brain. Peaks at 10. 5 yrs for girls, 14. 5 yrs for boys. Corpus callosum (white matter) coordinates sensory and memory. Skill level is connected with practice, fine motor skills increase. By 6th grade, 25% of children wear glasses. Asthma is an increasing concern, 14% of children. More boys than girls, more hispanics than whites. Fitness is goal: recommended one hour exercise per day. 25-26% of african american and mexican children are obese. 70% obese at 10-13 years will be obese adults. Body mass index: dividing a person s weight by square of their height in inches, mult. by 703.
