Another name for an ITE hearing aid.

The difference in a person’s responses between aided and unaided threshold measures. Functional gain is less reliable and valid than other methods of testing aided benefit.

A hearing loss that is not caused by any organic condition. In other words it is a “psychological” hearing loss, because the hearing system is working properly.

An increase in the amplitude or energy of an electrical signal with amplification. Gain is the difference in amplitude between the input signal and the output signal.

A tumor that may grow in the middle ear and can interfere with the vibration of the middle ear bones (ossicles).

Habituation is the term used when you are no longer aware of your tinnitus except when you focus your attention on it. When habituation occurs, your tinnitus is no longer intrusive and annoying. It is just “there”.