Earlier Is Easier is a project of the Denver Public Library and the Children's Museum of Denver at Marsico Campus. EIE partners with Denver-area organizations to connect parents and caregivers with resources and information about early learning and liter

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Building Healthy Brains  
Research & Resources

A child’s brain has reached 80% of adult size by the age of three! We can help build healthy brains in children by providing fun and engaging early learning experiences. Check out the resources and research below for more information.

Jump to: ReadTalk | Sing | Play | Write | Laugh

Zero to Three


Washington Parent

Tulane University

National Institute for Literacy



PBS Parents

Center on the Developing Child

NY Times

American Speech Language Learning Institute 

Gottman Institute

Frank Porter Graham Child Development Institute


Early Childhood News

Kids Health

The Literacy and Numeracy Secretariat

Fast Facts About Children's Brain Development
  • 60% of all the energy a baby expends is concentrated in the brain.
  • The birth-to-three period is the fastest rate of brain development across the entire human life span.
  • Babies whose parents frequently talk to them know 300 more words by age 2 than babies whose parents rarely speak to them.
  • Social interaction enhances the speed and accuracy of learning at all ages.
  • ALL caregivers who are a part of a child’s life impact his/her brain development.
  • A strong parent-child bond in early childhood prepares children to better handle stress throughout life.
  • Babies learn what is important to pay attention to by following the eye gaze of adults.
  • Humans are born with the ability to learn any language.
  • Learning more than one language improves cognitive development.
  • Children do not need special toys or videos to stimulate their brain development.
  • Babies use the facial expressions of adults to decide how they feel.
  • Holding and stroking an infant stimulates the brain to release important hormones that allow him to grow.
  • If babies’ bodies grew at the same rapid pace as their brains, they would weigh 170 pounds by one month of age.
  • Reading aloud to children helps stimulate brain development, yet only 50% of infants and toddlers are routinely read to by their parents.
  • By the time they are 3, children’s brains have formed 1000 trillion connections between neurons.
  • “Floor time” with a child including talking, singing, reading, playing, and exploring objects and physical space are the best ways to stimulate brain development.

Compiled by the Marsico Institute for Early Learning and Literacy, University of Denver, Morgridge College of Education​​