lifespan development - chapter 3 - physical, congitive, language development
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what is avg height & weight
avg weight - 7.5 pounds and 20"
gain 1 ounce a day
what is neuron
basic unit of nervous system
- denrites of cell body receive information
- goes down to axon, myelin sheath covers axons and speeds info
- as axon ends, branches out to terminal buttons
blooming & pruning of brain
dentrites react to stimuation - if child raised in environment with a lot of stiumation, cortex gets heavier!
“Blooming (development) and pruning” vary considerably by brain region
Pruning -- unused connections are replaced by other pathways or disappear
Prefrontal cortex -- the area of the brain where higher-level thinking and self-regulation occur
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