Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Cochlear Implant(also: CI)
- A surgically implanted electronic device that provides a sense of sound to individuals who are deaf or have severe hearing loss. Unlike hearing aids which amplify sound, cochlear implants bypass damaged portions of the inner ear and directly stimulate the auditory nerve. The…
- Selective Dorsal Rhizotomy(also: SDR, Dorsal Rhizotomy)
- A neurosurgical procedure used to reduce spasticity in the legs and sometimes arms of people with cerebral palsy, by selectively cutting sensory nerve fibers in the spinal cord that contribute to abnormal muscle tone. SDR can improve mobility, reduce pain, and increase…
- Tracheoesophageal puncture(also: TEP, tracheoesophageal voice prosthesis, TE puncture)
- A surgical procedure that creates a small opening (fistula) between the trachea and esophagus to restore voice production after total laryngectomy. A one-way valve is inserted that allows exhaled air to pass into the esophagus, where vibrations in the pharyngoesophageal segment…
- Voice rest(also: vocal rest, voice therapy)
- A prescribed period of reduced or eliminated voice use, typically following laryngeal surgery, vocal cord injury, or to treat voice disorders. During voice rest, patients may be instructed to whisper or remain completely silent, relying on written communication, AAC devices, or…
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