For Synaptic Pruning to Advance

question 82

Multiple Choice

For synaptic pruning to advance,

• A) the neural tube must produce fewer neurons during the prenatal period than the brain will need.
• B) the prefrontal cortex must attain adult levels of synaptic connections during the prenatal period.
• C) appropriate stimulation of the child's brain is vital during periods in which the formation of synapses is at its peak.
• D) between 80 and 90 percent of the neurons produced during the first two years must undergo programmed cell death.

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