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-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…
- Social Isolation(also: Social Disconnection)
- The objective lack of social contact and relationships, distinct from loneliness (the subjective feeling of being alone). Social isolation is a significant accessibility concern because it can both result from and contribute to barriers in technology use—isolated individuals may…
- Social Isolation
- A state of limited or absent social contact and interaction with others, which can result from physical, environmental, or psychological barriers. For people with disabilities and older adults, social isolation often stems from mobility limitations, communication difficulties,…
- Social isolation(also: Loneliness, Social exclusion)
- A state of limited or absent social contact and meaningful relationships, recognized as a significant risk factor for poor physical and mental health outcomes, particularly among older adults and people with disabilities. Social isolation can result from physical barriers…
- Socio-Gerontechnology
- A theoretical framework, developed by Alexander Peine and Louis Neven, that analyses aging and technology as mutually constitutive: technologies do not simply serve pre-existing aging needs, and aging is not a pre-given biological fact — the two co-produce each other through…
- Stress Process Model(also: Pearlin Stress Process Model)
- A theoretical framework developed by Leonard Pearlin and colleagues (1981) that describes how stressors, mediators, and outcomes interact dynamically over time to shape psychological wellbeing. In caregiving research, the model is widely used to understand how primary stressors…
- Subjective cognitive decline(also: SCD, Subjective memory complaint, SMC)
- A self-perceived decline in cognitive abilities, particularly memory, that is not detectable on standard cognitive tests. Individuals with subjective cognitive decline notice changes in their thinking abilities but perform normally on clinical assessments. Research suggests SCD…
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