Newborn: Reflexes such as sucking and grasping. 6 Months: Sitting without support, rolling over. 12 Months: Standing alone, taking first steps. 2 Years: Running, climbing stairs.
Cognitive Development
Newborn: Responds to sounds and visual stimuli. 6 Months: Explores objects with hands and mouth. 12 Months: Understands simple instructions, points to objects. 2 Years: Begins problem-solving, uses simple sentences.
Language Development
Newborn: Cries to communicate needs. 6 Months: Babbles, responds to own name. 12 Months: Says first words, understands simple commands. 2 Years: Uses two-word phrases, has a vocabulary of 50-100 words.
Social and Emotional Development
Newborn: Recognizes caregiver's voice, shows distress by crying. 6 Months: Shows happiness and displeasure, enjoys playing with others. 12 Months: Exhibits stranger anxiety, has favorite people and things. 2 Years: Shows defiant behavior, plays alongside other children.
