Skip to content
Center on the Developing Child at Harvard University
Menu
Close
Keyword search
Submit search
Our
Approach
Our Approach
Scientific Councils
Strategic Science Communications
Partnerships and Engagements
Equity, Diversity, Inclusion, and Belonging
Key
Concepts
Key Concepts
What Surrounds Us Shapes Us
Brain Architecture
Serve and Return
Toxic Stress
Lifelong Health and Well-being
Timing and Critical Periods
Developmental Environments
Resource
Library
Resource Library
Browse All Resources
Resource Guides
News and
Insights
News and Insights
Center Happenings
In The News
Podcasts
Newsletter
About
Us
About Us
Mission and Vision
Our People
Founding Director
Our Investors
Our History
Careers and Opportunities
Events
Contact
Keyword search
Submit search
Home
Fast Fact
The human brain expects this game of back and forth, and it is essential for healthy development.
Copy
Copied