The tip of the snail-shell-shaped cochlea. The apical region is where low frequency sounds are detected and sent to the brain.
Aplasia
Malformation of the inner ear.
ASL
See American Sign Language.
ASP
See Automatic Signal Processing.
ASR
See Automatic Speech Recognition.
Assertiveness
Behavior that allows people to request their own rights without interfering with the rights of others. Few hard of hearing people are assertive. Rather, they tend to be passive.