This copy is for your personal, non-commercial use only. Distribution and use of this material are governed by our Subscriber Agreement and by copyright law. For non-personal use or to order multiple copies, please contact The Epoch Times Reprints.
Our eyes involuntarily dilate in response to sound, which means they offer a potential new way to test hearing.
In 1998, University of Oregon researcher Avinash Singh Bala was working with barn owls in an Institute of Neuroscience lab when the birds’ eyes caught his attention.