1
vote
0answers
30 views

How can one accurately diagnose human hearing loss without surgery?

In a human, if you were to avoid a tympanotomy, how could you distinguish between a blocked Eustachian Tube, a ruptured eardrum, or Perilymph Fistula? For instance take the situation where a young ...
2
votes
1answer
746 views

Why does yawning impair hearing?

When I yawn I can't hear anything happening around me. I also feel some kind of muscles inside my head contract and hear a faint hum, but it is not loud enough to explain not hearing other sounds. I ...
7
votes
3answers
2k views

Can a human smell through the ears?

The title does, prima facie, appear absurd. Performing a swallowing action whilst pinching the nostrils shut gives the impression of listening through a bucket filled with water around the head; ...
10
votes
2answers
2k views

Will humans and animals be harmed by frequencies outside their hearing range?

The human ear (for example) is sensitive to frequencies from 20Hz to 20kHz. Any sound beyond that limit would not be heard by us naturally. Will it harm us (effect our ability to hear) when we hear ...