A public or private agency designated to provide early intervention services for an eligible child and the child’s family in accordance with an approved IFSP.

A hearing loss ranging between 71 and 90 decibels (dB).

See Sensorineural Hearing Loss.

A manual system of communication by which concepts and language are represented visually through hand movements, gestures and facial expressions rather than spoken words. In the United States and Canada, the most common signed language is American Sign Language (ASL). Most hard of hearing people that learn some sign (not that many do in the first […]

The relationship of a primary signal (a person talking) to the level of the ambient background noise. People with hearing loss need a much better signal-to-noise ratio than people with normal hearing.

A form of sign language that uses signs in English word order, often with added suffixes and prefixes that are not present in American Sign Language. Signing Exact English and Seeing Essential English are two examples.