Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Attention(also: Attentional processing, Selective attention)
- The cognitive process of selectively focusing on relevant stimuli while filtering out competing information. Cognitive neuroscience typically decomposes attention into three networks: alerting (maintaining readiness to respond), orienting (shifting focus across space or sensory…
- Attention Network Test(also: ANT, ANT-I, ANT-Child)
- A computer-administered cognitive task developed by Fan, Posner, and colleagues that measures three functionally distinct attention networks — alerting (sustained readiness), orienting (shifting attentional focus in space), and executive control (resolving conflict between…
- Autonomic Nervous System(also: ANS)
- The division of the nervous system that regulates involuntary physiological processes including heart rate, blood pressure, respiration, digestion, and stress responses. The ANS has two main branches: the sympathetic nervous system (activating "fight or flight" responses) and…
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