esd - Directions of Growth Cephalocaudal Head to tail...

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Directions of Growth Cephalocaudal Head to tail development Example: Infant gains control of head first. Proximodistal Center to periphery development Example: Reaching improves before grasping. Growth in Body Weight Conception ~ ovum weighs 0.005 mg Median Birth Weight Year 1 Boys ~ 7.5 lb 22.5 lb Girls ~ 7.0 lb 21 lb Birth weight triples during the first year Growth in Body Weight Year 2 ~ gain of 5.5 lb Years 3-5 ~ gain of 4.5 lb Year 6 – Adolescence Slight increase in rate of weight gain of 6.5/year Adolescence Males add about 45 lb of body weight Females add about 35 lb of body weight
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Growth in Body Weight Year 18 Males ~ 151.75 lb Females ~ 124.75 lb Above 19 years Weight is a matter of nutritional and exercise status Some weight gain during pregnancy is permanent Stature and Weight: Motor Performance On average Thin, muscular, and small-boned babies walk earlier Infants who are long for their weight walk earlier Motor performance may be delayed in obese infants Most children catch up to peers within a year Effects of Early Stimulation and Deprivation
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Origins of the debate / question Can we build superbaby by exposing them to the proper experiences. Manufacture intelligence, athleticism, etc. -or- Does development proceed according to nature or genetics ? Modern Day Questions? What is the role of early stimulation? Can we make a superbaby or is it just genetics? Goal: make baby smarter by some special enrichment experience between 0-3 yrs Baby Mozart videos Gymboree swim lessons What about deprivation? Are there permanent consequences to not getting early stimulation? What about sensitive / critical periods?
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This note was uploaded on 02/17/2011 for the course HK 253 taught by Professor Claxton during the Spring '10 term at Purdue University-West Lafayette.

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esd - Directions of Growth Cephalocaudal Head to tail...

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