Question

What percentage of synapses that we had a two will be pruned away by age 10?

1- 100%
2- 10%
3- 50%
4- 75%

Answer 1

50 percent

Ages 2 to 10 years

Synaptic pruning happens very quickly between ages 2 and 10. During this time, about 50 percent of the extra synapses are eliminated.