What Should your Baby's Tongue and Jaw Do? Genuine Lactation The transverse tongue reflex is stimulated when the side of a babys tongue is touched, they will typically move their tongue towards the stimulus (the touch)., Purpose and Development:, Feeding: This Does your baby's tongue look like this when they're crying? If your baby's tongue looks bowl shaped, heart shaped, or pulled downwards when they cry, this can be a sign of oral restriction Baby sticking tongue out: Causes and what to do