ch 5 - Elizabeth Hight September 11, 2007 Chapter Five...

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Elizabeth Hight September 11, 2007 Chapter Five Learning Goal One A. What are cephalocaudal and proximadistal patterns? Cephalocaudal patterns are the sequence in which the earliest growth always happens at the head, while other features such as physical growth and differentiation happen later. Proximadistal patterns are growth starts at the center of the body and moves towards the extremities. B. What changes in height and weight take place in infancy? The average newborn is 20 inches long and weighs about seven and a half pounds. However, shortly after they are born, babies lose 5-7 percent of their body weight, but as they become accustomed to eating, they gain roughly six ounces a day. They grow about one inch per month in their first year of life. C. What are some key features of the brain and its development in infancy? A baby’s brain contains billions of nerve cells, and grows very rapidly. It is often hard to measure a baby’s brain because the latest technologies are aimed toward adult brains. The brain is fully developed before birth, neural connections are formed first, and senses help to form these
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ch 5 - Elizabeth Hight September 11, 2007 Chapter Five...

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