Infancy (0-12 months):

Prenatal care and early childhood development experiences from the foundation of adolescent social-emotional health by shaping brain development, attachment, and stress regulation. 

Milestones:

• Formation of secure attachments.
• Recognition of emotions through caregiver interactions, like facial expressions. 

Classroom Strategies:

• Responding consistently to infant cues.
• Using soothing voices, facial expressions, and routines.