The Extrusion Reflex: What is it and When Should You Worry? Vibe eez Vibrating Baby Teether Vibrating Teething Toy for Baby Nuby Tongue tie symptoms and treatment Mayo Clinic Health System Is it normal for newborns to stick out their tongues and chew their mouths? Vinmec 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 Baby's Chin Twitching: Is It Perfectly Normal or a Reason for Concern? ?