What causes Dyslexia?
Research suggests dyslexia has a neurological basis and often runs in families. It affects how the brain processes language - particularly sounds in words, memory and speed of processing.
It is not linked to intellegence.
OFTEN RUNS IN
FAMILIES
NEUROLOLGICAL IN ORGIN
AFFECTS LANGUAGE PROCESSING
NOT DUE TO A LACK OF EFFORT OR TEACHING
THE 2025 DELPHI DEFENITION OF DYSLEXIA
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Dyslexia is a set of processing difficulties that affect the acquisition of reading and spelling.
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In dyslexia, some or all aspects of literacy attainment are weak in relation to age, standard teaching and instruction and level of other attainments.
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Across languages and age groups, difficulties in reading fluency and spelling are a key marker of dyslexia.
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Dyslexic difficulties exist on a continuum and can be experienced to various degrees of severity.
Common signs of Dyslexia
Early Years
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Delayed speech and language development
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Difficulty learning nursery rhymes
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Difficulty recognising and producing rhyming words
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Problems remembering sequences (e.g., days of the week)
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Difficulty learning letter names and sounds
Primary School
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Reading is slower than expected
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Persistent spelling difficulties despite practice
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Find it difficult to blend sounds when reading unfamilar words
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Read accurately but with reduced fluency
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Produce written work that is below their verbal ability
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Avoid reading or writing activities
Secondary School
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Read slowly and become easily fatigued when reading
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Continue to experience spelling difficulties
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Find it difficult to take notes when listening
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Needing longer to complete reading and writing tasks
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Producing work that does not match their ideas or understanding
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Avoid reading aloud