Updated on November 6, 2024 Summary of important cognitive milestones AgeMilestones1 month oldReacts to voice, established eye contact2 months oldTracks object 180*4 months oldRecognizes hand6 months oldGrasps, visualizes, manipulates objects9 months oldObject permanence; recognizes names; consonant babbling1 year oldSay or recognize a few words16 months oldFollow some commands; indicate wants by pointing18 months oldVocabulary at...