Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Electroencephalography(also: EEG)
- A non-invasive method of recording electrical activity of the brain using electrodes placed on the scalp. In assistive technology, EEG is the primary sensing technology behind brain-computer interfaces (BCIs), which allow people with severe motor impairments such as paralysis or…
- Event-Related Potential(also: ERP)
- An event-related potential (ERP) is a measured brain response that is the direct result of a specific sensory, cognitive, or motor event. ERPs are extracted from electroencephalography (EEG) recordings by averaging brain signals time-locked to repeated presentations of a…
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