Glossary

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Sensory Sensitivities(also: Sensory sensitivity, Sensory processing differences)

Heightened or reduced responses to everyday sensory input — noise, light, glare, texture, smell, temperature, or movement — that significantly affect attention, regulation, comfort, and participation. Sensory sensitivities are commonly reported among autistic people and others…

Step-Free Access(also: Level Access, Barrier-Free Access)

A route or entrance to a building, transport station, or public space that does not require the use of steps or stairs, enabling access for wheelchair users, people with mobility impairments, parents with pushchairs, and travellers with heavy luggage. In transport contexts,…

Surface Level Change(also: Elevation Change, Grade Change)

Any change in the height of the ground or floor surface, including stairs, curbs, ramps, steps, potholes, and raised thresholds. Surface level changes are a significant mobility challenge and safety hazard for people with low vision and other disabilities. Detecting these…

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