Human Growth and Development Week 3 Notes
Human Growth and Development Week 3 Notes EPY 2513
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This 2 page Class Notes was uploaded by Madison Greer on Thursday September 1, 2016. The Class Notes belongs to EPY 2513 at Mississippi State University taught by Dr. Abernathy in Winter 2016. Since its upload, it has received 8 views.
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Date Created: 09/01/16
8/31/16 Human Growth and Development Chapter 3 The First Years: Body and Mind • Growth in Infancy body size • average weight birth: 7.5 lbs 24 months: 24 lbs • average length birth: 20 in 24 months: 34 in • Sleep newborns sleep about 1517 hours a day, in 13 hour segments newborns’ sleep is primarily active sleep newborns have a high proportion if REM sleep cosleep or bed share • Brain Basics neuron • one of billions of nerve cells in the central nervous system (CNS) axon • fiber that extends from a neuron and transmits electrochemical impulses from that neuron to the dendrites of other neurons cortex • outer layers of the brain where most thinking, feeling, and sensing occurs prefrontal cortex • area of the cortex at the very front of the brain that specializes in anticipation, planning, and impulse control • Brain Development head sparing • a biological mechanism that protects the brain when malnutrition disrupts body growth 8/31/16 Human Growth and Development dendrite receive impulses other neurons synapses intersection between an axon and dendrite neurotransmitter • acetylcholine • serotonin • GABA
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