They explained that the muscles helped change the shape of the pinna, or the shell of the ear, funneling sound to the eardrums. Millions of years ago, our ancestors stopped using them, so humans ...

That's according to a new study which found that a certain vestigial ear muscle — one that perks up ears in animals — actually shows electrical activity when people engage in a difficult ...

A study conducted by researchers from Saarland University, the University of Missouri, and WS Audiology found that the muscles responsible for ear movement still activate when we try to focus on ...