Glossary
Searchable terminology from accessibility, web standards, and related fields.
11 results found in dyslexia.
- Character Spacing (Letter Spacing, Tracking)
- The horizontal space between individual characters in a line of text. Research has shown that increasing character spacing significantly improves reading speed and accuracy for people with dyslexia. T…
- Dyslexia Screening (Dyslexia Assessment, Reading Disability Screening)
- The process of identifying individuals who may be at risk for dyslexia, typically through standardized tests that assess reading fluency, phonological awareness, rapid naming, and other cognitive indi…
- OpenDyslexic (Open Dyslexic)
- A free, open-source typeface specifically designed to improve readability for people with dyslexia. The font uses heavier bottom portions on letters to help prevent visual rotation and uses unique let…
- Orthographic Depth (Orthographic Transparency, Spelling Transparency)
- A measure of how consistently a written language maps between its spelling (graphemes) and pronunciation (phonemes). Shallow or transparent orthographies like Spanish, Finnish, and Italian have highly…
- Orthographic Depth (Orthographic Transparency, Spelling Transparency)
- The degree of consistency in the relationship between letters (graphemes) and sounds (phonemes) in a writing system. Languages with shallow or transparent orthography — like Finnish, Spanish, and Ital…
- Orthography (Spelling System, Writing System)
- The conventional spelling system of a language, including the rules and patterns that govern how sounds (phonemes) are represented by written symbols (graphemes). Languages vary in orthographic depth:…
- Real Word Error (Real-Word Spelling Error)
- A spelling error that results in a correctly spelled but unintended word, such as typing "hear" instead of "here" or "their" instead of "there." Real word errors are particularly common among people w…
- Scotopic Sensitivity Syndrome (Irlen Syndrome, Visual Stress, Meares-Irlen Syndrome)
- A perceptual processing condition in which the brain has difficulty handling certain visual information, particularly high-contrast patterns like black text on a bright white background. People with s…
- Visual Attention Span (VAS, Visual Attention Window)
- The number of distinct visual elements that can be processed simultaneously in a single glance. Visual attention span is a cognitive capacity linked to reading ability — when reading, the eyes fixate …
- Visuospatial Attention (Visual-Spatial Attention, Visuospatial Processing)
- The cognitive ability to attend to, process, and mentally manipulate visual and spatial information in the environment. Visuospatial attention involves orienting to locations in space, tracking object…
- Word Retrieval (Word Finding, Lexical Retrieval)
- The cognitive process of accessing and selecting the correct word from memory to express an intended meaning during writing or speech. People with dyslexia frequently experience word retrieval difficu…