4 to 6 Months - National Therapy Center

Expressive Language

  • Coos and babbles when playing alone or with caregiver
  • Makes speech-like babbling sounds, like pa, ba, and mi
  • Giggles and laughs
  • Makes sounds when happy or upset

Receptive Language

  • Moves eyes in direction of sounds
  • Responds to changes in speakers’ tone of voice
  • Notices toys that make sounds
  • Pays attention to music

Social Communication and Pragmatics

  • Calms when held
  • Smiles to get caregiver’s attention
  • Chuckles early in range and then fully laughs by 6 months
  • Moves and looks at caregiver to keep attention

Regulatory/Sensory Organization

  • Not upset by everyday sounds
  • Brings objects to mouth
  • Able to calm with rocking, touching or gentle sounds

Fine Motor

  • Bats at dangling objects with either hand
  • Grasps rattle between fingers and palm and may shake it
  • Brings hands to midline
  • Develops accurate reach of objects

Gross Motor

  • Sits with props for support at 4 months, independently at 6 months
  • Rolls from laying on belly to back (prone to supine) and vice versa by 5 months
  • Pulls to sitting position consistently
  • Raises trunk when prone (4-6 months)