PSY 332 THE FIRST THREE YEARS

PSY 332 THE FIRST THREE YEARS - THE FIRST THREE YEARS...

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THE FIRST THREE YEARS Physical Growth a. Time of rapid growth i. Weight triples over 1 year ii. Add almost 1 foot in length a. Changes in proportion i. Cephalocaudal/proxomodistal development -head to tail 1. Body starts smaller than the head and catches up 2. Limbs grow more than the hands and feet a. Development of teeth i. About 6 to 8 teeth by 1 year ii. Almost triple by age 2.5 (18 to 24 teeth) a. Growth and nutrition i. Feeding 1. Breast vs. bottle -differences over time 2. Benefits a. Breast mild is very good for development b. Improves health, immune system, growth 3. Cautions a. Breast milk ideal for the first year of life, then formula b. Some substances/diseases transmissible ii. Nutritional issues 1. Starting some foods too early a. Cow's milk before 1 year -we need the antibodies and calories from breast milk b. Solid foods before 4 months 2. Eating the wrong foods a. Not enough fresh vegetables b. Not enough fruit, too much candy and sweets 3. Malnutrition and obesity a. Poor nutrition early has long-reaching effects b. Intervention with supplements helps c. Obesity predicted by parental obesity a. The brain and neurological functions i. Brain growth 1. Continues well after birh a. 90% of full size by age 3 b. Subject to growth spurts 2. Development of major structures a. From neural tube to brain and spinal cord (responsible for communicating signals from brain to the rest of the body) b. Lobes, hemisphere and corpus callosum
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PSY 332 THE FIRST THREE YEARS - THE FIRST THREE YEARS...

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