The STNR is a primitive reflex that is characterized by upper extremity (UE) extension and lower extremity (LE) flexion with neck extension, and by UE flexion and LE extension with neck flexion.

LONDON. Royal Society, March 6.—E. D. Adrian and Sybil Cooper: The electric response in reflex contractions of spinal and decerebrate preparations. Records have been made of the reflex action currents ...