At approximately 9 months of age, infants begin to understand that their parents continue to exist even when they are not visible, which can lead to sadness during separation.

Authors

• Person: Not available Organization: Head Start
  Importance of Play in Early Childhood | HeadStart.gov

Sources

• Importance of Play in Early Childhood | HeadStart.gov headstart.gov Head Start via serper

Referenced by nodes (1)

• object permanence concept