• Lessening of the tongue-thrust reflex by which all foreign matter is automatically pushed out of the mouth by the tongue.

According to Healthline, when babies stick their tongue out it could be due to the "tongue-thrust" reflex. Babies are born ...

So how can you help him learn to chew? All babies are born with a gag, or tongue thrust, reflex, where they use their tongue to push unfamiliar objects out of their mouth. Around six months, the gag ...