Chapter 3 Learning Objectives.docx - Chapter 3 Learning Objectives LO1 LO2 LO3 LO4 How does physical growth of the body and nervous system proceed

Chapter 3 Learning Objectives.docx - Chapter 3 Learning...

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Chapter 3 Learning Objectives LO1 How does physical growth of the body and nervous system proceed during infancy? Infants grow at a rapid pace over the first 2 years. By 5 months, the  infant's birth weight doubles and by age 1, the weight has tripled to 22 lbs.  At the end of his or her 2nd birthday, the child is about quadruple the  birthweight.   Infants are born with roughly 100-200 billion neurons. At birth, an infant's  brain has relatively few connections to other neurons. During the first 2  years, a baby's brain will establish billions of new connections between  neurons and becomes increasingly complex. LO2 How are the bodily systems integrated during infancy? One of the most important ways that behavior becomes integrated is the the development of  various rhythms, which is repetitive, cyclical patterns of behavior. Some are more obvious  (breathing and sucking patterns) and some are more subtle (jerking legs). LO3 What are the sleep patterns of infants? On average, newborn infants sleep some 16-17 hours a day (varies  between 10-20.) Most babies do not sleep through the night for several  months.   States: Awake- Alert Non-alert waking Fuss Cry Transition Between Sleep and Waking- Drowse Daze Sleep-wake transition Sleep States - Active Sleep Quiet Sleep Transitional Sleep States - Active-Quiet transition sleep LO4 What are the major reflexes?
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