chapter5student - Chapter 5 Chapter PhysicalDevelopmentand...

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Chapter 5 Chapter 5 Physical Development and  Health in Infancy and  Toddlerhood This multimedia product and its contents are protected under copyright law. The following are prohibited by law: •Any public performance or display, including transmission of any image over a network; •Preparation of any derivative work, including the extraction, in whole or in part, of any images; •Any rental, lease, or lending of the program.
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Growth Patterns Growth Patterns Growth is most rapid in the three years of life Influences on growth Genetic factors Nutrition
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Arousal States Arousal States The degree to which an infant is alert,  attentive or awake Six major categories Fussing/crying Nonalert awake Alert/awake Drowsiness/sleep-wake transition Active sleep Quiet sleep
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Sleep Patterns Sleep Patterns Newborns sleep approximately 16  hours/day As infants age Time spent sleeping decreases Sleep patterns resemble adults’ more closely
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Sleep Patterns Sleep Patterns What individual qualities of the child  influence sleep regulation? Temperament Nursing patterns Health Gender  Infant illness
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Sleep Patterns Sleep Patterns Which relationship and environment  qualities influence sleep regulation? Family stress Change in sleeping environments Use of sleep aids Patterns in putting children to bed
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Formation and Migration of Formation and Migration of Neurons Neurons Early in prenatal development, the neural  tube generates large numbers of neurons. At birth, there are over 100 billion neurons.
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Neurons Neurons Dendrites Neural structures located on the cell body  specialized for receiving messages Axon Structure located at the cell base that sends  messages to other neurons Synapses Gaps between cells through which information  is transmitted 
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Forming Connections Among Forming Connections Among Neurons Neurons Synaptogenesis The formation of  new neural  connections, or  synapses Occurs rapidly in  newborns
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Myelination Myelination The process in which a neuron is  sheathed in a smooth layer of fatty protein Speeds neuronal transmission
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chapter5student - Chapter 5 Chapter PhysicalDevelopmentand...

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