Increasing the expression of a protein responsible for maintaining neuron health led to better-than-normal processing of auditory information, according to a new study. The findings open the door to ...

Childhood hearing level varies considerably within the range considered normal. Four classes of outcome were investigated for associations with hearing thresholds in this range: ability to identify ...

Proceedings of the National Academy of Sciences of the United States of America, Vol. 108, No. 37 (September 13, 2011), pp. 15516-15521 (6 pages) "Normal hearing" is typically defined by threshold ...

Personal sound amplification devices, or PSAPs, amplify sound waves for those who have normal hearing, or hearing thresholds of 20 dB or better in both ears. Unlike hearing aids, hearing amplifiers ...