Which of the following is true about brain development?
A) At birth,the brain is nearly 70 percent of its adult weight.
B) By age 2,the brain is approximately 50 percent of its adult weight.
C) Brain development is complete by the end of the first year.
D) Gains in neural fibers and myelination are responsible for the extraordinary gain in overall brain size.
Correct Answer:
Verified
Q12: As neurons form connections,stimulation _.
A) becomes unnecessary
B)
Q15: The human brain has _ neurons.
A)100 to
Q16: Skeletal age is determined by
A)X-raying the long
Q17: During synaptic pruning,
A)the prenatal organism overproduces neurons.
B)neurons
Q19: At birth,the brain is
A)fully developed.
B)farther from its
Q20: Neurons that are seldom stimulated soon lose
Q21: _ provide(s)the most precise information about which
Q22: _ brain growth refers to the young
Q23: In an investigation of children who had
Q40: Coating the neural fibers with an insulating
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