Glossary

TTY

A TTY (Teletypewriter) consists of a keyboard and electronic display; it converts typed messages into electronic tones which are sent over a standard phone line, much like a fax machine. Communication is direct with anyone who has a similar device, or the Telecommunications Relay System can be used as a medium for communication. Also sometimes called a TDD (Telecommunications Device for the Deaf) or TT (text telephone).

• AIDS


• Americans with Disabilities Act of 1990 (ADA)


• Anxiety disorder


• Assistive Technology


• Attention Deficit/Hyperactivity Disorder (ADHD)


• Auditory Discrimination


• Bipolar disorder


• Blindness


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• Brain Injury


• Cancer


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• Confidential medical record


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• Currently engaging in the illegal use of drugs


• Demyelination


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• Dissociative disorder


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• Serious Health Condition


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• Substantially limits


• TDD


• Tonic-Clonic Seizure


• TTY


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• Undue Hardship


• Validity


• Visual Discrimination


• Visually Impaired (or Low Vision)

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