Pediatrics Primitive Reflexes

• Stimulus: Turns head to one side

• Response: Same side arm/leg extend

• Timeframe: Newborn - 4 months

Asymmetrical Tonic (ATNR)

• Stimulus: Extend head/neck or flex head/neck

• Response: Arms extend, legs flex extend

• Timeframe: 6-7 months

Symmetrical Tonic Neck Reflex (STNR)

• Stimulus: Flex head

• Response: Eyes looked up

• Timeframe: Newborn - 2 weeks

Doll-eye

• Stimulus: Touch palm w/object

• Response: Hand closes

• Timeframe: Newborn - 4 months

Palmar Grasping

• Stimulus: Shake head by tapping pillow

• Response: Arms/legs extend, fingers spread, then arms/legs flex

• Timeframe: Newborn - 3 months

Moro

• Stimulus: touch face above or below lips

• Response: Sucking

• Timeframe: Newborn - 3 months

Sucking

• Stimulus: Stroke sole of foot

• Response: Toes extend

• Timeframe: Newborn - 4 months

Babinski

• Stimulus: Touch cheek

• Response: Head turns to stimulus

• Timeframe: Newborn - 1 year

Searching, Rooting

• Stimulus: Apply pressure to both palms

• Response: Mouth open, eyes close, head flexes

• Timeframe: 1-3 months

Palmar-Mandibular (Babkin)

• Stimulus: Stroke ball of foot

• Response: Toes contract

• Timeframe: Newborn - 12 months

Plantar Grasping

• Stimulus: Tap abdomen or startle infant

• Response: Arms/leg flex

• Timeframe: 7-12 months

Startle