Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Auditory agnosia(also: Sound agnosia, Acoustic agnosia)
- A neurological condition characterized by difficulty recognizing or distinguishing sounds despite having intact hearing. People with auditory agnosia can hear sounds but may struggle to identify what they are—such as not recognizing a ringing phone, a doorbell, or environmental…
- Cognitive Dysfunction(also: Cognitive Impairment, Cognitive Disability)
- A broad term encompassing conditions that affect cognitive functions such as memory, attention, problem-solving, learning, language, and executive function. Cognitive dysfunction ranges from mild impairments (age-related memory decline, mild cognitive impairment) to major…
- 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…
- Word deafness(also: Pure word deafness, Auditory verbal agnosia)
- A specific type of auditory agnosia in which a person can hear speech sounds but cannot comprehend spoken words, despite having normal hearing and the ability to read, write, and speak. People with word deafness describe speech as sounding like an unfamiliar foreign language or…
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