Respuesta :

The reason why young brains are more plastic and more sensitive to stimulation to the outside world is as a result of availability of less myelin.

What is Myelin?

Myelin  can be regarded as an insulating layer, that is found  around nerves

Especially those in the brain as well as spinal cord. It helps in  transmitting of  quickly as well as efficiently along the nerve cells.

Learn more about Myelin at:

https://brainly.com/question/690266