INFANCY (0-3)

• 2-3 Months


  infants can LIFT THEIR HEADS higher and higher.
• 4 months


  infants can KEEP THEIR HEADS ERRECT
• first 6 months


  preference in TURNING HEADS TO RIGHT
• Hand control: 3 months


  bat at objects and can grasp an object of moderate size
• Hand control: 4 months


  KEEPS HAND OPEN MAJORITY OF THE TIME and will deliberately hold and shake a rattle.
• Hand control: 6 months


  grasp objects with one hand and TRANSFER them to the other
• Hand control: 7-11 months


  hands become coordinated enough to pick up a tiny object using the PINCER GRASP
• Hand Control: 15 months


  BUILD A TOWER of three to four cubes
• Hand control: at least 2 years


  put large beads on a string, unscrew a jar, and turn the pages of a book
• Hand control: after 3rd birthday


  copy a circle and cut with scissors fairly well.
• Locomotion: 6 months


  sit without support
• Locomotion: 8 months


  assume sitting position without help
• Crawling


  achievement of self locomotion
• locomotion: 11 months


  can STAND ALONE
• Locomotion: 3 years old


  balance one foot briefly, pedal tricycle, go up and down of stairs
• Walking


  major motor achievement in infancy
• Touch


  -most important sense during infancy and first to develop
• Sweet


  taste preference of infants
• Bitter


  Newborns also strongly dislike this taste flavors, likely a survival mechanism
• hearing


  this sense is the key to language developmet?
• Pain


  infants tend to be sensitive with this especially during first few days
• vision


  least develop sense during infancy
• 20/400


  visual acuity at birth
• 20/20


  visual acuity of infants at 8 MONTHS
• Social referencing


  Infants learn to look to caregivers for clues as to whether a situation is secure or frightening
• during 1st year of life


  period of rapid physical growth
• first bday


  infants have 6-8 teeth
• 2 1/2 y/o


  infants have a mouthful of 20 teeth