One month
• Is quiet and still when looking at a face within
12 inches.
• “Molds” to adult’s body when held.
• Responds to human voices by moving.
Two months
• Can be soothed by being held or rocked.
• Soothes self by sucking.
Three months
• Shows excitement when people are nearby.
• Smiles when stimulated by a face.
• Tries to attract people’s attention.
• Shows delight and distress.
Four months
• Smiles broadly and laughs.
• Vocalizes to initiate socializing.
• Cries if play is disrupted.
• Becomes easily excited or upset.
Five months
• Imitates facial expressions.
• Distinguishes strangers from family members.
• Recognizes voices of family members.
• Responds to his or her name.
Six months
• Turns when name is said.
• Becomes disturbed by the presence of strangers.
• Reacts to differences in tones of voices.
• Vocalizes pleasure and displeasure.
• Protests if toys are taken.
286 Unit 3 Infancy
Copyright Goodheart-Willcox Co., Inc.
Figure 10.9
Newborn and Infant Social-Emotional Milestones