By age 4 to 5,__________.
A) the brain increases from 40 percent to 60 percent of its adult weight
B) many parts of the cerebral cortex have overproduced synapses
C) growth in the prefrontal-cortical area slows to near-adult levels
D) synaptic pruning slows or ends

Question

Quizplus · Accepted Answer

By age 4 to 5, many parts of the cerebral cortex have indeed overproduced synapses, a process that supports a wide range of learning opportunities during early childhood. This overproduction is followed by synaptic pruning, where the brain eliminates weaker synaptic connections while strengthening others.

By Age 4 to 5,__________