Geographic tongue, also called benign migratory glossitis, is a harmless condition that makes the surface of your tongue look patchy, almost like a map. The exact cause isn't fully known, but genetics, Ever notice your child's tongue sticking out when they move or concentrate? It's not just a quirky habitit's a neurological clue that tells us what's happening behind the scenes in their Gate Theory: How Vibration Can Trick Your Brain Into Not Feeling Pain! Massachusetts Dermatology Associates Tingling sensation in the tongue: A full guide Tingling tongue: Causes and when to see a doctor Chest Voice vs. Head Voice: Where Do You Feel the Vibration?