4.1 Discuss patterns of growth and influences on growth during infancy and toddlerhood.

4.2 Examine threats to infant and toddler health.

4.3 Summarize processes of brain development and the influence of experience on brain development during infancy and toddlerhood.

4.4 Compare infants’ early learning capacities for habituation, classical conditioning, operant conditioning, and imitation.

4.5 Describe infants’ developing sensory abilities.

4.6 Contrast maturation, contextual, and dynamic systems explanations for motor development in infancy and toddlerhood.