Primitive Reflexes

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Introduction[edit | edit source]

Primitive reflexes are the reflex actions arising from Central Nervous System (CNS) that are typically present in childhood but are not present in healthy or neurological intact adults, in response to particular stimuli. When a child moves through a normal child development these reflexes are inhibited by the frontal lobe of the brain.[1] These primitive reflexes are also called infantile, infant or newborn reflexes. The motor responses arising from CNS are inhibited by 4 to 6 months of age as the brain matures and replaces them with voluntary motor activites but the certain neurological disease can relapse it.[2]

  1. Schott JM, Rossor MN. The grasp and other primitive reflexes. Journal of Neurology, Neurosurgery & Psychiatry. 2003 May 1;74(5):558-60.
  2. Zafeiriou DI. Primitive reflexes and postural reactions in the neurodevelopmental examination. Pediatric neurology. 2004 Jul 1;31(1):1-8.