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Childrens Health
Infant Neurology
Question | Answer |
---|---|
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 |