104Ch5 - The Developing Person Through Childhood and...

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Unformatted text preview: The Developing Person Through Childhood and Adolescence by Kathleen Stassen Berger Seventh Edition Chapter 5 The First Two Years: Biosocial Development Slides Revised by Nicole Porter Modesto Junior College Berger: The Developing Person Through Childhood and Adolescence , 7th Edition, Chapter 5 Infancy According to the National Institute of Child Health and Human Development, Infancy is the period of life between birth and the beginning of language, one-and-a-half to two years later. The word infant derives from the Latin in+fans, which means, literally, non-speaker Rapid changes to the brain, physical characteristics, motor skills and abilities, as well as social changes are occurring in a short period of time. Berger: The Developing Person Through Childhood and Adolescence , 7th Edition, Chapter 5 Body Changes ALL: INES YVETTE LARAYA ERESE Berger: The Developing Person Through Childhood and Adolescence , 7th Edition, Chapter 5 Body Changes and Development An average newborn is 7 lbs, 20 inches. Weight is doubled by 5mos, tripled by 1 year and quadrupled at 2 years of age. By age two, they are about their adult height (!) and their adult weight. Brain size also increases, reaching approximately 75% of adult weight by the end of infancy. Cephalocaudal: A term to describe the pattern of physical growth and motor control proceeds from head to tail. For example, the visual system reaches maturity before the legs. Proximodistal : proceeds from the center of the body outward. For example, babies learn to control and support their heads (neck muscles) before they learn to control their arms and legs (limbs) Berger: The Developing Person Through Childhood and Adolescence , 7th Edition, Chapter 5 Body Changes (cont.) Head Sparing : in cases of inadequate nutrition, the brain keeps growing Percentile ranks : allow comparisons of an individual infant to group norms A sudden drop in percentile rank might indicate a developmental problem. Berger: The Developing Person Through Childhood and Adolescence , 7th Edition, Chapter 5 Growth Charts Growth charts are used by Doctors to screen weight, length and head circumference under a percentile range. Weight status Category Percentile range Underweight Less than the 5 th percentile Healthy Weight 5 th percentile to less than the 85 th percentile At risk of overweight 85 th to less than the 95 th percentile Overweight Equal to or greater than the 95 th percentile--Center for Disease Control and Prevention Berger: The Developing Person Through Childhood and Adolescence , 7th Edition, Chapter 5 Body Mass Index Berger:...
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This note was uploaded on 03/10/2012 for the course PSYCH 3307 taught by Professor Valerie during the Spring '12 term at Texas Pan American.

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104Ch5 - The Developing Person Through Childhood and...

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