Learning Science7 min read31 August 2026

Reading, movement and numbers deserve their own questions

Different activities can need different formats and support.

A form, a fastening and a column of figures can each take more effort than they appear to. Research into dyslexia, dyspraxia and dyscalculia explores different parts of that experience. A finding in a model or a group is a starting point, rather than a full account of one person.

What is going on

Dyslexia Genes Build Architecture, Not Just Reading Circuits

Researchers went looking for a single reading gene. They found two different jobs instead.

University of Houston researchers led by Elena Grigorenko examined the roughly 175 genes already linked to reading difficulty and found they split into two functionally distinct groups. One group is active early in fetal development, helping build the brain's physical wiring and architecture. The other tunes the reading circuits that come online later, once a child starts learning letters and sounds. The split reframes dyslexia as a difference in how broad neurodevelopmental networks get built, not one faulty switch.

→Dyslexia runs through how several brain systems get built together, rather than through one single gene.

Dyslexia Has a Definition That Finally Matches Lived Experience

The old definition treated dyslexia as fixed. The new one treats it as a continuum that moves across a lifetime.

In 2025 the International Dyslexia Association revised its definition of dyslexia for the first time since 2002, and a 2026 consensus paper built from 58 researchers, practitioners and dyslexic adults expanded it further. Dyslexia is now defined as difficulty with word reading and spelling accuracy or speed that sits on a continuum of severity, shaped by genetic, environmental and cognitive factors together, and one that persists even through instruction that works for most peers.

→The definition caught up to something dyslexic people have described for years: the difficulty moves, it does not vanish.

An AI Model of a Dyslexic Brain Found Fonts That Actually Help

Researchers built a digital twin of dyslexic reading, then used it to test what changes on the page.

EPFL researchers used vision-language models to explore aspects of dyslexic reading and investigate typography. Results in an AI model are not evidence that a particular font improves reading for every dyslexic person. Human studies and individual preferences still matter.

→The right font was never a small comfort. It is a variable the research can now actually measure.

Dyspraxia's Coordination Differences Show Up in Brain Structure and Genes Together

'Clumsy' was never the right word. The coordination difference has a measurable structural signature.

Developmental coordination disorder, commonly known as dyspraxia, affects planning and carrying out physical movement. A 2026 study modelling brain structure and genetics together found a consistent pattern: increased cortical volume paired with decreased subcortical volume tracked with poorer motor coordination, and that same pattern correlated with genetic markers already linked to coordination difficulty. It is among the first studies to tie the structural brain difference and the genetic signal together in one model.

→The coordination gap runs through brain structure and genetics at the same time, not through how hard anyone tried.

Dyscalculia Has Its Own Number Circuit, and It May Be More Trainable Than Thought

Number sense was assumed to be hardwired from birth. New modelling says it might be learned instead.

Children with dyscalculia, a specific difficulty processing numbers and quantities, show hippocampal hyperactivity (the memory-related region of the brain working harder than expected) when perceiving symbolic numbers, suggesting active compensation rather than a simple missing sense. Newer research using neural networks, a type of AI modelling loosely based on how brain cells connect, is now testing whether number sense is learned through experience rather than present from birth, which would make the gap a training target rather than a fixed ceiling.

→If number sense can be learned, the gap dyscalculic learners face is something to train toward, not a limit to accept.

What this could mean in practice

So what helps?

Match the tool to the mechanism, not the effort level.

None of these five findings say the answer is more repetition or more willpower. A gene network that builds brain architecture is not fixed by trying harder at phonics. A coordination difference rooted in brain structure is not fixed by more criticism of handwriting. What each finding points to instead is a specific, matched tool: fonts and spacing tested against a model of dyslexic reading, movement-based practice that trains coordination systems directly, and number-sense tools built around how a dyscalculic brain actually processes quantity.

"The tool needs to match the mechanism, not my effort level"

Try readable text and adjustable spacing, then ask the reader what helps. Modelling results need human validation.

Movement-based practice and occupational therapy train the coordination system directly, instead of marking down the result.

Number-sense tools designed around how a dyscalculic brain builds quantity understanding work with the mechanism, not against it.

Try changing the format of one difficult activity, then notice whether it makes a useful difference.

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