Understanding dyslexia
What is dyslexia?
Understanding the difficulties is a starting point for finding appropriate support.
A difference in learning
Dyslexia affects the development of reading and spelling. Its impact varies from person to person, with difficulties in fluent reading and spelling being common features.
Dyslexia is also linked to differences in how information is processed. Working memory, processing speed and phonological processing can contribute to the difficulties someone experiences.
Dyslexia exists on a continuum, so each person has their own pattern of strengths and challenges. It can occur alongside difficulties with language, attention, coordination or mathematical skills.
Dyslexia is not simply about difficulties. Many dyslexic people have strengths in reasoning, problem-solving, visual thinking and creativity. Each person’s strengths are individual.
The Delphi definition in brief
The 2025 Delphi consensus describes dyslexia as processing difficulties affecting the development of reading and spelling. Reading fluency and spelling are key markers, with difficulties varying in severity.
Phonological processing often plays a part, alongside working memory, processing speed and orthographic skills. No single difficulty explains every person’s experience. Dyslexia can co-occur with other developmental difficulties.
This is a plain-language summary, not the full formal definition. See Table 1 in Holden, Kirby, Snowling, Thompson and Carroll (2025), Towards a Consensus for Dyslexia Practice, alongside Carroll and colleagues’ Delphi study.
What can I do next?
If reading or spelling is causing concern, speak with your child’s teacher or education provider about the support already available. Kim can help you explore whether screening, assessment or specialist teaching is an appropriate next step.
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