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Glossary: T

Teacher of the Deaf

A qualified teacher, who is additionally qualified to teach deaf children. They provide support to deaf children, their parents and family, and to other professionals who are involved with a child’s education

Telecoil

Technology in some hearing instruments that allows the instrument to pick up signals which are transmitted by loop systems. Activated by turning the instrument to the 'T' programme. 

Textphone

See Minicom.

Text relay

A 3 way call involving a deaf person, a hearing person and an operator.  The operator voices what the deaf person types to the hearing person.  And vice versa, the operator types what the hearing person says, to the deaf person.

Threader

A tool for fitting new tubing to an earmould.

Tinnitus

Tinnitus is a general term that means any sound that is heard in the ears or head that hasn’t come from an external source. These sounds might be ringing or buzzing for example.

Tone Hook

Sometimes called elbow or horn. The curved plastic tube that connects the hearing aid to the earmould tubing.

Total Communication

An approach that involves children using different methods of communication at any one time.

Transducer

A device that changes sounds into electric signals or electrical signals into vibrations.

Transition

Used to describe periods of time when a child is moving from one situation to another e.g. transition between primary and secondary education, transition between children's and adult audiology services etc.

Transition plan

The transition plan contains information about the arrangements for a young deaf person when they become 16, and support to be provided whilst they are still at school.

England and Wales: The transition plan is drawn up at Annual Review in Year 9.  See our factsheet Annual Reviews of Statements of Special Educational Needs plus Transition Plans (England & Wales).

Scotland: The Education Authority should have completed gathering information for transition at least 12 months before the child is expected to leave school.  Enquire is the Scottish advice service for Additional Support for Learning.  It has a factsheet with further details on its website - Factsheet 14.  See our factsheet A guide to Additional Support for Learning (Scotland).

Northern Ireland: The transition plan must be included in the Annual Review once a child is 14.  The Education Support website for Northern Ireland has further details here under Transition Plan. See our factsheet The Annual Review of a Statement of Special Educational Needs and Transition Plans (Northern Ireland).

Tribunal

an independent body which considers appeals by parents (or young people aged 16 or over) against local authority decisions on EHC needs assessments and EHC plans. The Tribunal also hears claims of disability discrimination. Its full title is First-tier Tribunal (Special Educational Needs and Disability).

Tubing

The flexible tube that connects the earmould with the hearing aid. 

Tympanometry

Tympanometry is not a test of hearing; it is used to check how well the moving parts of the middle ear are working.   If the eardrum is not moving freely, there is likely to be some fluid or another problem with the middle ear. 

Typical hearing levels

When the quietest sounds a child can hear are recorded on the audiogram between 0 and 20dB a child has typical hearing levels.