Reflexes

• Moro reflex aka startle reflex
• Moro reflex

  • disappears by 4-5 months; max - 6 months
  • if still present for more than 6 months = brain damage
• Tonic-neck reflex 


  Turn head to one side - arm and leg extend on that side; arm and leg flex on the opposite side
• Tonic-neck reflex aka fencing reflex
• Tonic-neck reflex disappears by 3-4 months
• Grasp reflex disappears by 3-4 months
• Rooting reflex disappears by 3-4 months
• Babinski Reflex

  • inverted J
  • fanning of toes due to immaturity of CNS
• Babinski Reflex disappears by 1 year of age
• Sucking reflex disappears by 6-9 months
• Extrusion reflex disappears by 4-6 months before solid food