Language acquired primarily though the accessible sensory channels.

The setting where the child typically spends most of his time. For example, a child at age 24 months would likely spend time at home or in a childcare setting. These settings are the child’s “natural environment.”

A small incision made in the eardrum by a physician to equalize air pressure and/or to drain infection or fluid from the middle ear.

Hearing phantom sounds that may resemble voices and music but are too vague to understand such as hearing a radio playing from another room. At other times, MES manifests itself as perfectly clear, yet phantom, music or singing, often repeated endlessly. For a more in-depth understanding of Musical Ear Syndrome, read this article.

Hearing aids that have the ability to store different listening programs for access by the user. Many digital hearing aids have 3 or 4 memories.

The volume at which sounds are most comfortable for a hearing aid user.