Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Finger Assistive Device(also: FAD)
- A category of wearable assistive devices worn on a finger or fingertip that extend sensing or actuation to the primary locus of tactile perception. The term was introduced by Shilkrot et al. to classify finger-worn input technologies, particularly those developed for blind and…
- Fingertip Deflection
- A haptic guidance technique in which a wearable device gently pulls or tilts the fingertip in a chosen direction (abduction, adduction, flexion, or extension) to bias arm motion toward a target during reach. Unlike vibrotactile alerts that must be symbolically decoded, fingertip…
- Force-Sensing Resistor(also: FSR, Force Sensor)
- A sensor that decreases in electrical resistance when physical pressure is applied to its surface. Force-sensing resistors are commonly used in assistive technology and accessibility applications to create pressure-sensitive input devices, haptic feedback systems, and adaptive…
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