Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Primary Lateral Sclerosis(also: PLS)
- A rare progressive neurological disease affecting the upper motor neurons, causing weakness and stiffness in the voluntary muscles, particularly in the legs, arms, and tongue. Unlike amyotrophic lateral sclerosis (ALS), PLS progresses more slowly and primarily affects upper…
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