Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Biosignal Interface(also: Physiological Interface, Biometric Input)
- An input interface that detects and interprets biological signals from the human body — such as muscle contractions (EMG), brain electrical activity (EEG), eye movements (EOG), or galvanic skin response — to generate computer commands. Biosignal interfaces are particularly…
- Breath Control(also: Sip-and-Puff Control, Pneumatic Input)
- An assistive technology input method that uses breath pressure — blowing or sipping through a sensor — to control a computer, device, or instrument. Breath control is particularly valuable for individuals with severe motor disabilities who retain respiratory function, such as…
- Breathing Input(also: Breath-based Input, Puff Input)
- An alternative computer input method that uses deliberate breath actions — such as puffing, blowing, or inhaling — detected by a microphone or pressure sensor as control signals for navigating interfaces and selecting items. Breathing input is designed for people with severe…
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