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Abnormal Motoric Exam Pathological reflexes frontal release signs snout root palmomental
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Visit Us http://onlinemedicalvideo.com for more medical video collection • Pathological reflexes- frontal release signs- snout, root, palmomental • These patterned behavior reflexes appear when there is damage to the frontal lobes, which normally inhibits these primitive reflexes. • A snout reflex occurs when a tongue blade is pressed on the lips and there is pouting of the lips. • A root reflex occurs when gently stroking the lateral upper lip causes the mouth to moves toward the stimuli. • A palmomental reflex occurs when stroking the palm of the hand causes the ipsilateral mentalis muscle of the lower lip to contract.
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