Although lateralization of the brain increases in middle childhood, communication between the left ...

Although lateralization of the brain increases in middle childhood, communication between the left and right hemispheres is increased by
 
  A) myelination of the prefrontal cortex.
  B) competitive elimination.
  C) development of the temporal lobe.
  D) thickening of the corpus callosum.

Question 2

The strengthening of heavily used synapses and the elimination of unused synapses is called
 
  A) synaptogenesis.
  B) neurogenesis.
  C) synaptic pruning.
  D) competitive elimination.

Question 3

After-school programs that include both structured physical activities and free play time in order to reduce body mass index in children seem to be
 
  A) effective, eliminating the problem.
  B) somewhat effective, keeping the problem from getting any worse.
  C) somewhat ineffective, slowing down but not stopping growth of the problem.
  D) totally ineffective.

Question 4

A program in which classroom teachers taught children behavioral strategies for reducing the amount of time they devoted to television and video games, in order to reduce their weights, was
 
  A) effective, eliminating the problem.
  B) somewhat effective, keeping the problem from getting any worse.
  C) somewhat ineffective, slowing down but not stopping growth of the problem.
  D) totally ineffective.