Newborn primitive reflexes

Question 1

• Primitive reflexes

Answer 1

are involuntary movements or reflexes during
infancy triggered by stimulation , present during infancy and
disappear during baby development.

Question 2

Persistance of Primitive reflex

Answer 2

indicates impaired brain development.

Question 3

Rooting Reflex

Answer 3

**Stroking the cheek elicits turning of
the head towards the stimulus

• Age of resolution: Last for 4 months

Question 4

Moro Reflex

Answer 4

• Infant startle i.e. extend head, arm and legs followed by flexion
  in response to sudden noise voice or unexpected movement
• Age of Resolution: until 6
  months of age

**if more than 6 months:
cerebral palsy +mental retardation suspected

Question 5

Sucking Reflex

Answer 5

• Touching the roof of the mouth
  elicits sucking motion
• Age of Resolution: until 4 months
  of age

Question 6

Tonic Neck Reflex

Answer 6

• Turning the head to one side elicits
  extension of the arm and leg on the
  head side and flexion of the
  contralteral arm and leg
• Age of resolution: until 3-4 months of
  age

Question 7

Grasp Reflex

Answer 7

Touching the palms elicits grasping
motion.
Age of resolution: until 6 months of age

Question 8

Babinski reflex

Answer 8

• Stroking the sole of the foot will cause
  dors-flexion of the big toe and fanning
  of other toes.
• Age of resolution: Last until 1 -2 years
  of age
  *if not :central injury
  upper motor neurons
  cerebral palsy suspected

Question 9

Stepping reflex

Answer 9

• Holding the infant in upright position
  with feet on examination table elicit
  stepping motion [the baby try to move
  their leg as trying to walk]
• Age of resolution: last for about 2
  months
  **recommended to practice this reflex=
  help early waking

Question 10

Parachute Reflex

Answer 10

• Elicited by holding the
  child in ventral supsension
  and suddenly lowering
  him → arms will extend as
  a defensive reaction
• Appear At around 7 – 8
  months of age and persist
  therafter !

Question 11

thumb sucking

Answer 11

*habit =learned behavior (not primitive)
*different from sucking reflex
*because of stress ,anxiety,to calm him self
*till 3-4 years =normal
>4 years /<4 years with complications
so we should treat the condition

Question 12

management of thumb reflex

Answer 12

*first line : ignoring and encourage alternative activity
*second line: bitter-tasting creams
*third line:referring to behavioral psychological therapy (if he had behavioral concerns)
*orthodontic intervention if there is dental complication

Question 13

resolve by 4 months

Answer 13

rooting and sucking

Question 14

resolve at 6 months

Answer 14

moro & grasping

Question 15

resolve by 3-4 months

Answer 15

Tonic Neck Reflex

Question 16

resolve by 2 month

Answer 16

stepping &
babinski (1-2 months)

Question 17

starts 7-8 months and stays lifelong

Answer 17

parachute reflex