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Week 3: Brain Growth (FSHS 506)

by: Jasmine Lewis

Week 3: Brain Growth (FSHS 506) FSHS 506

Jasmine Lewis
Middle Chldhd/Adolsc
Kelly J. Welch

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About this Document

Here's some thorough notes from Dr. Welch's week 3 notes on brain growth! Enjoy.
Middle Chldhd/Adolsc
Kelly J. Welch
Class Notes
Middle Childhood: Brain Growth
25 ?




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This 2 page Class Notes was uploaded by Jasmine Lewis on Friday September 11, 2015. The Class Notes belongs to FSHS 506 at Kansas State University taught by Kelly J. Welch in Fall 2015. Since its upload, it has received 19 views. For similar materials see Middle Chldhd/Adolsc in Child and Family Studies at Kansas State University.

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Date Created: 09/11/15
Week 3 Brain Growth 91115 956 AM Prenatal Phase 1 BOOK NOTES CELL PRODUCTION Overproduction of brain cells 180 billion at birth 250000 per minute Brain cells are connectingconnectingconnecting first 26 years Phase 2 CELL ELABORATION Over production of dendrite connection dendritic branching 612 Brain Brain growth DRAMITICALLY slows because the growth needs to go to skeletal muscular and other areas for growth Environment Brofrenbrenner can either help or not help the development 9 Emerging Adulthood Maturation of the prefrontal cortex Male25 Female23 the end of adolescence o SYNAPTIC PRUNING the brain CUTS AWAY weak dendrite trees branches The oxygen is cut off from the dendrites that are NOT being used and begins a new process of how adolescence think 0 This allows others to flourish and strengthening o The myelin also increases and as it increases it strengthens the surviving dendrites a complex brain with more complex thought we all have to come to the same answer 0 we can all have different answers 1 As the myelin brain matter substance increases it turns into white matter mature brain thought If our particular brain structure is immature what it governs is going to be immature as well Dendrites Receives information from the environment LN EHL Adendrites at birth Adendrites at 12 mo Adendrites at 24mo Axon Carries the information away to the next neuron Synapse The spaces in between dendrites Cell body Makes sense of the information sent from the dendrite Perception information processor Myelin Sheath The result of dendrites connecting The Prefrontal cortex is the judgment center of the brain for the person 0 If the Prefrontal Cortex is immature then the person will have immature behaviors 0 It is in charge of decision making impulse control coping skills appraisal skills the CEOquot of your judgment of your decisions If it is immature it doesn t allow one to see the consequences and limits the ability to see the future Dopamine When the HPG Axis is flipped it tells the prefrontal cortex that it is time to start making changes When it starts to change it signals the dendrites synapse and signals to increase production of dopamine o Dopamine is what pushes you to desireacquire things It is what makes kids want to engage in risky behavior Dopamine is the neurotransmitter of ADDICTION 70 of all alcoholics become addicted to alcohol between the ages of 1519 years old It takes a more for a young person to get drunk than it does an older person because the amount of dopamine in the brain is greater than that of an older persons It is responsible for pleasure When we engage in addictive behaviors we increase even more dopamine because it becomes addicted to the pleasure


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