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Moro reflex. The Moro reflex is often called a startle reflex because it usually occurs when a baby is startled by a loud sound or movement. In response to the sound, the baby throws back his or her head, extends out the arms and legs, cries, then pulls the arms and legs back in. A baby's own cry can startle him or her and trigger this reflex. This reflex lasts about 5 to 6 months. Tonic neck reflex. When a baby's head is turned to one side, the arm on that side stretches out and the opposite arm bends up at the elbow.
Stepping reflex. When the neonate is held upright and feet placed on a flat surface, the infant's feet move in an alternating stepping motion. Disappears by 2-3 months but returns again at 10-15 months when the baby learns to walk.symmetrical tonic neck reflex/ tonic labyrinthine reflex/ Fencer response. When the head of the neonate is turned to one side, the arm and leg on that side extend and the arm and leg on the opposite side flex. Disappears by 6 months.