It makes sense that bad tastes and smells trigger our gag reflex, but what in the brain triggers gag reflexes upon seeing something bad?

Question

The sight of certain things or images has made me throw up before and I don’t understand how eyesight can trigger the gag reflex.

In: Biology

Answer 1

It’s really the same as the taste or smell, your brain wants to make sure you don’t even try to eat it.