Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Phonophobia(also: Sound Phobia, Ligyrophobia)
- Phonophobia is an intense fear or aversion to specific sounds or loud noises that goes beyond simple discomfort, often leading to avoidance behaviors such as fleeing from environments where triggering sounds may occur. Unlike hyperacusis (heightened sensitivity to sound volume)…
- Picture Exchange Communication System(also: PECS)
- A structured augmentative and alternative communication (AAC) system that teaches individuals to use pictures to communicate with others. Developed by Andrew Bondy and Lori Frost in 1985, PECS uses a series of six phases to teach individuals — typically children with autism or…
- Pivotal Response Training(also: PRT, Pivotal Response Treatment)
- A naturalistic, child-initiated behavioural intervention developed for children with autism that targets "pivotal" skills — foundational abilities whose improvement produces widespread positive changes across social, communication, and academic domains. Unlike highly structured…
- Power Cards
- Power Cards are a visual teaching strategy developed by Elisa Gagnon for autistic learners and others with social-communication differences. A Power Card is a small, portable card that pairs a brief scenario about a child's special interest (such as a favourite character) with a…
- Pragmatics(also: Pragmatic Language)
- The social use of language—how context, relationship, and conversational norms affect what we say and how we interpret others. Pragmatics includes understanding implied meaning, adjusting speech for different audiences, taking turns in conversation, and recognizing non-literal…
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