Eli5: Why are peoples’ own noises and smells usually dialed down, such as not being affected by their own snoring and not noticing their body odor?

Question

Why does the brain seems to dial down things that we produce; even the obnoxious snoring or noises made while sleeping don’t affect us? Similarly, people don’t usually get annoyed by their own talking or yelling to themselves.

In: Other

Answer 1

You don’t sense *things*, you sense *changes* in things. When you get constant input, your senses stop responding to it.

That’s why jumping into a pool feels cold, then an hour later you don’t even notice the water temperature at all.