Glossary

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Active Aging(also: Active Ageing, Healthy Aging, Successful Aging)

A policy framework and paradigm promoted by the World Health Organization that emphasizes maintaining physical activity, social engagement, and independence in later life to improve health outcomes and quality of life. While the concept has influenced health policy and…

Affective Congruency

The degree to which a system's sensory outputs, interactions, and feedback align emotionally with the user's current affective state and the emotional meaning the user attaches to the experience. Distinct from perceptual congruency, affective congruency concerns whether the…

Age-Related Accessibility(also: Aging and Accessibility, Older Adult Accessibility)

The design considerations and accommodations needed to ensure digital technology is usable by older adults who experience age-related changes in vision, hearing, cognition, and motor control. Common challenges include reduced visual acuity and contrast sensitivity, narrowed…

Age-Related Capability Decline(also: Age-Related Impairment, Dynamic Diversity)

The gradual reduction in sensory, motor, and cognitive capabilities that typically accompanies ageing, including declining visual acuity, hearing loss, reduced dexterity and fine motor control, and changes in memory and processing speed. Unlike many disabilities that are stable…

Age-Related Changes(also: Aging Effects, Age-Associated Decline)

Physical, sensory, and cognitive changes that occur naturally as people age, affecting how they interact with technology. Common changes include reduced visual acuity, hearing loss, decreased motor control, slower processing speed, and changes in working memory. However,…

Age-Related Decline(also: Age-Related Impairment, Age-Related Changes)

The gradual reduction in physical, sensory, and cognitive abilities that occurs as part of the natural aging process. Age-related declines that affect technology use include reduced visual acuity (difficulty reading small text and icons), decreased fine motor control (difficulty…

Age-Related Dexterity Changes(also: Motor Decline in Aging, Age-Related Motor Impairment)

The gradual decline in fine motor control, hand-eye coordination, and manual dexterity that commonly occurs with aging, affecting the ability to use input devices like mice, keyboards, and touchscreens. These changes are caused by factors including reduced spatial abilities,…

Age-Related Functional Limitations(also: Ageing-Related Accessibility Needs, Age-Related Impairments)

The gradual changes in sensory, motor, and cognitive abilities that commonly occur with ageing, including declining vision, hearing loss, reduced dexterity and fine motor control, and changes in memory and processing speed. These functional limitations often overlap…

Age-Related Impairment(also: Age-Related Decline, Aging-Related Disability)

Functional limitations that commonly develop with advancing age, often involving multiple interacting mild impairments rather than a single major disability. Age-related impairments may affect vision (presbyopia, reduced contrast sensitivity, cataracts), hearing (presbycusis),…

Age-Related Vision Loss(also: Age-Related Visual Impairment)

Vision impairment that occurs as a consequence of aging, representing the most common cause of blindness and low vision worldwide. Conditions include age-related macular degeneration, glaucoma, diabetic retinopathy, and cataracts. The prevalence of significant visual impairment…

Age-Sensitive Design(also: Age-Sensitive Creative AI Mediation)

A design stance that treats age-related physical, cognitive, and digital-literacy characteristics as first-class inputs to the system design process rather than as edge cases to be handled after the fact. For interactive and AI-supported tools, age-sensitive design typically…

Age-friendly design(also: Senior-friendly design, Gerontechnology design)

A design approach that specifically addresses the perceptual, cognitive, and motor changes associated with aging, including larger fonts, simplified interfaces, reduced jargon, higher contrast, and minimized demands on working memory and perceptual speed. Research shows that…

Age-related Differences(also: Age Effects, Generational Differences)

The systematic variations in technology use, learning strategies, and task performance that occur across different age groups. Research consistently shows older adults take 1.5 to 2 times longer than younger adults on technology tasks even when achieving equal accuracy, due to…

AgeTech(also: Age tech, Technology for older adults)

A broad category of technology designed to support older adults in aging well, living independently, and managing age-related health conditions. AgeTech spans smart-home monitoring, voice assistants, medication reminders, fall-detection wearables, social companion robots,…

Ageing in Place(also: Aging in Place)

The ability of older adults to live independently and safely in their own home and community for as long as possible, regardless of age, income, or ability level. Ageing in place is increasingly promoted as an alternative to institutional care, supported by technologies such as…

Aging(also: Ageing)

Aging is the biological, psychological, and social process of growing older, which in accessibility practice is associated with a predictable cluster of changes: declining near and low-contrast vision, hearing loss at higher frequencies, reduced fine motor precision, slower…

Aging in Place(also: Ageing in Place, Aging-in-Place)

The ability to live safely and independently in one's own home and community as one ages, regardless of age, income, or ability level. Assistive technology, including voice assistants, smart home devices, and remote health monitoring, plays an increasingly important role in…

Aging in Place

The ability of older adults to live independently and safely in their own home and community as they age, supported by appropriate services and technology. In the context of accessibility, aging in place involves designing digital tools, smart home systems, and mobile…

Aging in Place(also: Aging at Home)

The ability to live in one's own home and community safely, independently, and comfortably regardless of age, income, or ability level. Aging in place is a preference for most older adults and involves adapting living environments, accessing supportive services, and using…

Aging in place(also: Ageing in place)

The ability to live in one's own home and community safely, independently, and comfortably regardless of age, income, or ability level. AI-assisted aging-in-place technologies include monitoring systems, fall detection, and health tracking, but raise complex accessibility and…

Ambient assisted living(also: AAL, Smart home assistive living)

Technology systems embedded in the home environment — including sensors, microphones, and smart devices — that monitor and support older adults or people with disabilities to live independently and safely. AAL aims to detect emergencies like falls, remind about medications, and…

Anticipatory Grief(also: pre-death grief, anticipatory mourning)

Grief experienced before an expected loss, particularly common among caregivers of individuals with progressive neurodegenerative conditions such as Alzheimer's disease. Anticipatory grief encompasses mourning not only of the anticipated death, but also of the ongoing losses…

Assets-Based Design(also: Strengths-Based Design, Asset-Based Approach)

A design philosophy that focuses on the existing strengths, capabilities, resources, and strategies of users rather than defining them primarily by their deficits or limitations. In accessibility and aging contexts, assets-based design means building technology that integrates…

Assisted Living Technology(also: Assistive Living Technology, Ambient Assisted Living, AAL)

Technology systems designed to help people with disabilities, chronic conditions, or age-related limitations live more independently in their homes or residential facilities. This includes smart home automation, health monitoring, fall detection, medication reminders, and…

Assistive Robot(also: Personal Assistive Robot, Socially Assistive Robot, Caregiving Robot)

A robot designed to assist people with disabilities, older adults, or those with chronic conditions in performing daily activities or maintaining independence. Assistive robots may provide physical assistance (manipulation, mobility), cognitive support (reminders, step-by-step…

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