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Glossary

Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.

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Sedentary Behaviour(also: Sedentary Lifestyle, Physical Inactivity)
Any waking behaviour characterised by low energy expenditure while in a sitting, reclining, or lying posture, such as prolonged sitting at a desk, watching television, or using a computer. Sedentary behaviour is a leading risk factor for preventable chronic diseases including…
Self-Diagnosis(also: Self-Identification, Self-Dx)
The process of identifying oneself as having a condition or disability based on personal research and self-assessment rather than through formal clinical evaluation. Self-diagnosis is particularly prevalent and controversial in ADHD and autism communities, where diagnostic…
Self-Monitoring(also: Self-Recording, Self-Observation)
Self-monitoring is the practice of systematically observing and recording one's own behavior, emotions, or activities, typically as part of a broader self-management or behavioral intervention program. In accessibility and disability contexts, self-monitoring tools —…
Self-tracking(also: Quantified Self, Self-monitoring, Personal Informatics)
The practice of using technology — typically wearable devices like smartwatches and fitness trackers — to systematically record and monitor personal data about one's own behaviour, health, or activities. Self-tracking can help individuals, including older adults and people with…
Sensory Regulation(also: Sensory Modulation, Sensory Processing Management)
The ability to manage and respond appropriately to sensory input from the environment. People with conditions such as autism, ADHD, migraines, or sensory processing disorders may experience heightened sensitivity to light, sound, temperature, or touch. Smart home technology can…
Sensory processing(also: Sensory integration, Sensory modulation)
The neurological process of receiving, organising, and interpreting sensory information from the environment (sight, sound, touch, smell, taste, proprioception, vestibular input) to produce appropriate responses. Differences in sensory processing are common in autism, ADHD, and…
Sexual Violence(also: Nonconsensual Sex)
Any sexual act, attempt, or coercion that occurs without the freely given consent of the person involved. In accessibility research, sexual violence is a significant concern because disabled and neurodivergent populations - including autistic adults and people with ADHD -…
Simultanagnosia(also: Simultagnosia)
A neurological condition in which a person can perceive individual objects but cannot see or process multiple objects simultaneously within a visual scene. Simultanagnosia is a common feature of cerebral visual impairment and dorsal stream dysfunction. In everyday life, it makes…
Social Distancing(also: Physical Distancing)
The practice of maintaining a minimum physical distance from other people to reduce the transmission of infectious diseases, widely adopted during the COVID-19 pandemic with recommended distances of at least 1 metre (WHO) or 6 feet (CDC). Social distancing presented unique…
Social Isolation(also: Social Disconnection)
A state characterized by a lack of meaningful social contacts, relationships, and community engagement. Social isolation is a significant public health concern among older adults and people with disabilities, associated with increased risks of depression, cognitive decline,…
Social cognition(also: Social perception, Theory of mind)
The set of cognitive processes involved in understanding and responding to social information, including recognising emotions, interpreting intentions, understanding sarcasm and figurative language, taking others' perspectives, and navigating social norms. Social cognition can…
Spoon theory(also: Spoons, Energy accounting)
A metaphor created by Christine Miserandino to explain the limited energy reserves experienced by people with chronic illness and disabilities. "Spoons" represent units of energy, and every activity — from getting dressed to attending a meeting — costs spoons. Once spoons are…
Strabismus(also: Crossed eyes, Squint, Eye misalignment)
A condition in which the eyes do not align properly, causing one eye to point in a different direction from the other — inward (esotropia), outward (exotropia or exophoria), upward, or downward. Strabismus disrupts binocular coordination and can lead to double vision, amblyopia,…
Stress Management(also: Stress Regulation, Stress Reduction)
The set of techniques and practices used to reduce the physiological and psychological impact of acute and chronic stress — including controlled breathing, progressive muscle relaxation, mindfulness meditation, cognitive reappraisal, biofeedback, physical activity, and social…

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