The Moro reflex, or startle reflex, refers to an involuntary motor response that infants develop shortly after birth. This may include extending their arms and possibly moving their legs, before ...

As soon as your baby’s born, you’ll notice their primitive reflexes — although you might not know them by name. Case in point: Nothing in the world produces the same amount of wonder that you feel ...

The legs and head extend while the arms jerk up and out with the palms up and thumbs flexed. Shortly afterward the arms are brought together and the hands clench into fists, and the infant cries ...