Infant Mental Health is the developing capacity of the child from birth to age 3 to:

All in the context of family community, and cultural expectations for young children. Infant mental health is synonymous with healthy social and emotional development. Zero to Three Infant Mental Health Task Force, 2002


For more IMH definitions see:

Details of Zero to Three Definition:

http://www.zerotothree.org/child-development/early-childhood-mental-health/


Center for Early Education and Development at University of Minnesota

Tip Sheet for IMH Definition:

http://cehd.umn.edu/ceed/publications/tipsheets/attach3.pdf