Download SitterTree in the App Store or Google Play

The first five years: critical to brain development

Unlike many other organs, our brains do not grow steadily over time, but rather, in growth spurts which are heavily concentrated during early childhood. 

Tell Me More

Incredibly, a baby’s brain reaches half of its adult size by 18 months, and 90% of its adult size by 4-5 years. Brain growth is achieved mostly by the formation of connections (synapses), and the development of myelin, a fat that sheaths some nerves to help to speed up nerve signal conduction. 

Furthermore, a child is born with all the brain cells or neurons it will ever have. In most cases, new neurons are not created after birth. In fact, we are born with far more neurons than we can use. During the first years of childhood, tens of thousands of neurons will either live or die, based partly on the use-it-or-lose-it principle. 

So What?

During this period of accelerated growth, a two-year-old can form up to 2 million new connections per second! The development of connections between brain cells is extremely rapid and robust during the early years. This dramatic amount of early brain organization forms the basis of brain architecture for adult life. The brain ‘decides’ which connections to form, based partly on experience – something that parents and caregivers have direct control over during the first 3-4 years. Therefore, exposing your child to as wide a range of experiences as possible in these years is highly recommended, as such experiences are essential to the brain foundations that your child will carry with them for life. 

A note about the author:

Dr. Randa Grob-Zakhary, MD Ph.D. is the Founder of The Babyboost Institute for Early Learning and Development. Want more tips?  Purchase Babyboost: 50 Critical Facts on Amazon.

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Download on the App Store Get it on Google Play

SitterTree does not employ any service provider nor is it responsible for the conduct of any service provider on our app. SitterTree operates an app for end users to book and pay service providers for child care services. Each user is solely responsible for completing necessary due diligence prior to booking child care services from any other user. All information provided in member profiles, job posts, and chats is provided by users and is not generated nor guaranteed by SitterTree.

Copyright © 2023 SitterTree., LLC All Rights Reserved