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Glossary: I

Individual Educational Programme

A document used in schools to record targets, and strategies and resources to help the child/young person meet the targets. It is not a legal requirement to produce an IEP, but schools should ensure that they have accurate evidence of the SEN support that has been provided and the impact the support has had.

Infrared listening aids

Infrared light is used to beam sound from an item such as a TV, to a receiver.   A receiver can be built into a set of headphones, or worn within a separate unit, or as a neckloop. A transmitter with a microphone is placed near the TV or item emitting the sound.

Inner Ear

The inner ear is made up of the cochlea and the auditory nerve and vestibular (balance) system. The cochlea is filled with fluid and has sound sensitive hair cells. Sound vibrations cause the fluid and hair cells to move creating an electrical charge or signal. The hearing (auditory) nerve carries these signals to the brain.


Interpreters work to relay conversations between hearing people and deaf sign language users. They are able to translate spoken English into sign language and vice-versa, allowing for easy communication between both deaf sign language users and hearing people.