Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Electromagnetic Actuation(also: EM Actuation)
- A method of producing physical movement using electromagnetic fields generated by electric coils. In accessibility contexts, electromagnetic actuation is used to move tactile elements — such as magnetic markers or braille pins — to create dynamic tactile displays and interfaces…
- Embosser(also: Braille Embosser, Tactile Graphics Embosser)
- A device that creates raised (embossed) output on paper or other materials, used to produce braille text and tactile graphics for people who are blind or have low vision. Braille embossers function similarly to printers but press dots upward into heavy paper to create tactile…
- Exploratory Procedures(also: EPs)
- Exploratory procedures are stereotyped movement patterns that people use when examining objects through touch to identify specific properties. Defined by Lederman and Klatzky in tactile perception research, these are hand and finger configurations that do not correspond to…
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