Functional

Children 1-3 months generally are able to do the following:

• Opens mouth when bottle/breast is offered 
• Shows recognition of and prefers primary caregiver(s) 
• Explores objects by mouthing 
• Alerts or shows brief interest in and excitement to surroundings
• Pays attention to sights and sounds in the environment 
• Prefers novel to familiar objects
• Tracks movement 
• Waves arms at dangling toys