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Glossary

Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.

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Cascading Access Barriers(also: Compounding Barriers, Barrier Cascades)
A pattern where an initial accessibility barrier triggers a chain of subsequent barriers, each compounding the difficulty of the previous one. For example, missing a pharmacy notification (first barrier) leads to a medication gap (second barrier), which worsens executive…
Health Literacy(also: Digital Health Literacy, eHealth Literacy)
The degree to which individuals can obtain, process, understand, and act on health information and services needed to make appropriate health decisions. In the digital context, health literacy extends to the ability to seek, find, understand, and appraise health information from…
Informed Consent Accessibility(also: Accessible Informed Consent, Accessible Consent Process)
The practice of making informed consent documents and processes fully accessible to people with disabilities, ensuring they can understand the information being presented and make genuinely informed decisions about participation. For Deaf and Hard of Hearing individuals who…
Language Access(also: Language Services, Linguistic Access)
The provision of services and resources that enable people with limited proficiency in the dominant language to meaningfully access information, programmes, and services. Language access encompasses professional interpretation (spoken), translation (written), bilingual staffing,…
Prior Authorization(also: Pre-Authorization, Pre-Auth, PA)
A requirement by health insurance companies that a healthcare provider obtain approval before a prescribed medication or treatment is covered. Prior authorization processes often involve multi-step bureaucratic procedures — submitting documentation, waiting for review, handling…
Speech-Language Pathologist(also: SLP, Speech Therapist, Speech-Language Therapist)
A healthcare professional who assesses, diagnoses, and treats communication and swallowing disorders across the lifespan. In the context of accessibility, SLPs play a central role in AAC intervention — evaluating individuals for AAC needs, selecting appropriate devices and…
Telehealth(also: Telemedicine, Virtual Healthcare, Remote Healthcare)
The delivery of healthcare services through digital communication technologies, including video conferencing, phone calls, and online portals. Telehealth expanded dramatically during the COVID-19 pandemic as in-person appointments became restricted. While telehealth can improve…

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