Browsing the archives for the presbycusis tag

29May09 The High Frequency Sound That Only Teens Can Hear

You may have heard about the so called “teen deterrent.” There is a high frequency sound that only young people under the age of 25 can hear. It’s called presbycusis and it is defined as an age-related hearing loss.
Recently, the ability of young people to hear high frequency tones that are inaudible to others over [...]