HDF 100 Lecture Notes - Lecture 1: Pertussis, Motor Coordination, Child Neglect
11 Sep 2016
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Document Summary
Adding about 2-3 and 4 - 6lbs. per year. Toddler"s center of gravity is the chest area. In preschool years the center of gravity becomes the belly button. Enter period toddling end period taller, leaner and with much more control of body. Generally the following is true - tallest to shortest are: Toilet training in process wetting the bed is normal. Limbic system area of the brain crucial in the expression and regulation of emotions. Amygdala tiny part of brain that registers emotions. Responds to facial expressions if adults show fear (social referencing) Myelination (continuing) the process by which axons and dendrites become insulated with a coating of myelin (a fatty substance that speeds transmission of nerve impulses from neuron to neuron) A band of nerve fibers that connect the left and right sides of the brain. Myelination connecting the hemispheres is completed by 8 years old and helps with: Gross motor - large muscles (legs & arms)
