Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- P300(also: P3, P300 Component, P3b)
- The P300 is an event-related potential (ERP) component — a positive voltage deflection in EEG brain signals that peaks approximately 300 milliseconds after a person perceives a rare or task-relevant stimulus among frequent non-target stimuli. It is named for its polarity…
- Proprioception(also: Proprioceptive Sense, Body Position Sense)
- The body's ability to sense its own position, movement, and orientation in space without relying on vision. Proprioceptive information comes from sensory receptors in muscles, tendons, and joints that detect stretch, tension, and pressure. For people who are blind or have low…
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