At about what age does the brain begin "pruning"?
a. 1
b. 5
c. 10
d. 70

I believe the correct answer from the choices listed above is option A. It is at about 1 year old that the brain begin "pruning". It is thought to be a process   of removing neurons which may have become damaged or degraded in order to further improve the "networking" capacity of a particular area of the brain.

Step-by-step explanation:

The answer before was correct except for the final answer they must have had a typo because the area would actually be 7/2, or 3.5