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Childrens Health

Infant Neurology

QuestionAnswer
Sudden head extension causes extension followed by flexion of the arms and legs Moro Reflex; birth to 4-6 mo; BS/vestibular nuclei
Object touching palm results in flexion of infants hand elbow and shoulder Palmar Grasp; birth to 4-6 mo; BS/vestibular nuclei
Tactile stim around mouth results in opening of the mouth and pursuit of stim Rooting; birth to 4-6 mo; BS/trigeminal system
Tactile stim to palate/tongue will elicit suck Sucking; birth to 4-6 mo; BS
Tactile stim along side spine causes trunk to curve to stim Galants (trunk incurvation); birth to 6-9 mo: spinal cord
Dorsum of foot is brought into contact with edge of surface causing infant to place foot onto surface Placing; birth to 4-6 mo; cerebral cortex
Turning head of supine infant results in ipsilateral extension/contralateral flexion of the arm and leg into fencing Tonic neck (fencer reflex); birth to 4-6 mo; BS/Vestibular Nuclei
Tilting a seated infant to either side results in extension of ipsilateral arm in a protective fashion Parachute; 6-8 mo to never; BS/Vestibular nuclei
With infant held in horizontal suspension, extension of the head causes extension of the arms and legs Landau; 6-8 mo to 15 mo/2 years; BS
Extension then flexion of arm and will blink in response to loud noise Acoustic Blink; birth to 4-6 mo for startle, never for blink; CN 7,8
Bright light in eye causes blink or closure of eye Blinking or Dazzle; birth to 10-12 mo; Retina, CN3
Stroke lateral sole of foot will cause toes to fan and DF of great toe Babinski; birth to 2 yrs; Extra pyramidal traact
Blinking/Dazzle Reflex CN 2
Sucking Response CN 5
Acoustic Blink Reflex CN 8
Gag Reflex CN 9 & 10
Created by: 1277880004