Understanding Dyslexia: More Than Reading Difficulties

For many parents, hearing the word dyslexia can bring a mixture of relief, concern, and uncertainty. Relief because there may finally be an explanation for a child's struggles, but concern about what it might mean for their future.

The first thing to know is that dyslexia is one of the most common neurodevelopmental conditions, and it is far more complex than simply finding reading difficult. Scientists, educators and clinicians have spent decades trying to understand it, and our knowledge continues to grow as neuroscience reveals more about how the brain learns and processes language.

Today, one of the most widely accepted descriptions comes from the Delphi Definition of Dyslexia, developed through international consensus by experts worldwide, including people with dyslexia. Published in the Journal of Child Psychology and Psychiatry, it describes dyslexia as a set of processing difficulties that affect reading and spelling abilities, varying in severity and influenced by both genetic and environmental factors.

Importantly, dyslexia does not look the same way in every child.

While difficulties with reading accuracy, spelling and writing are common, dyslexia can also affect reading comprehension, written expression, working memory, organisation and confidence in learning. Some children become highly skilled readers yet still experience challenges in other areas. Others may struggle significantly in school despite having strong intelligence, motivation and access to good teaching.

Without appropriate support, these challenges can affect educational progress, self-esteem and mental wellbeing, sometimes extending into adulthood. However, a diagnosis should never be viewed as a limitation or a prediction of a child's future potential.

The Encouraging News: The Brain Can Change

One of the most exciting discoveries in modern neuroscience is that the brain remains capable of change throughout life.

This ability, known as neuroplasticity, allows the brain to strengthen existing connections, develop new pathways and adapt in response to learning and experience. Research examining reading interventions has shown that effective support can be associated with changes in brain activation, connectivity and structure within the networks involved in reading and language.

Modern neuroimaging studies consistently identify differences in the activation and connectivity of brain networks involved in reading and language processing, particularly within left-hemisphere regions associated with phonological processing and word recognition. Researchers have also found evidence that many individuals with dyslexia develop alternative neural pathways to support reading and learning, highlighting the brain's remarkable capacity for adaptation.

This is why early identification matters. The goal of assessment is not to place a label on a child. Instead, it helps professionals understand how that child's brain processes information so that support can be tailored to their individual strengths and needs.

Whether we consider the Delphi Definition of Dyslexia or the diagnostic criteria for other neurodevelopmental conditions in manuals such as the DSM-5, these frameworks are best understood as tools that guide assessment. They help professionals investigate learning difficulties consistently and objectively. They do not define who a child is or what they can achieve.

Moving Beyond Reading and Spelling Alone

The growing partnership between neuroscience and education has led to an important change in how we think about dyslexia support.

Traditionally, interventions focused mainly on improving reading performance. Today, neuroscience-informed approaches increasingly consider the broader cognitive processes that support learning. Depending on a child's profile, support may address areas such as auditory processing, visual processing, visual-motor integration, spatial awareness, executive functioning, motivation and resilience alongside literacy skills.

Rather than focusing only on what a child struggles to do, these approaches aim to strengthen the underlying systems that support learning.

Importantly, neuroscience research suggests that successful interventions influence distributed brain networks rather than isolated reading areas alone. Researchers increasingly view reading development as the result of interactions between cognitive, linguistic and sensory systems working together.

Why Multisensory Learning Matters

Our brains are designed to make sense of the world by combining information from multiple senses. Every day, the brain integrates what we see, hear, feel and do, allowing us to build a coherent understanding of our environment.

Research on multisensory integration (MSI) shows that combining information from different senses can improve learning, enhance detection of important information and speed up responses to the world around us (Dionne-Dostie, Paquette & Gallagher, 2015).

A recent study by Porfyri and colleagues (2025) found that multisensory training produced broader changes in brain connectivity than single-sensory training. Their findings suggest that multisensory experiences influence not only the targeted skill but also the wider brain networks involved in perception and learning.

For this reason, many evidence-informed intervention programmes use combinations of visual, auditory, movement-based and tactile activities. By engaging multiple pathways at the same time, these approaches can provide richer learning experiences and support the brain's natural capacity for adaptation and growth.

Supporting the Whole Child

Perhaps the most important lesson from neuroscience is that no two brains are exactly alike. While dyslexia may share certain characteristics across individuals, every child presents with a unique combination of strengths, challenges and learning preferences. This is why I generally recommend individual, face-to-face tuition wherever possible. Although it may involve a greater financial commitment than a standardised online programme, an experienced specialist can observe, respond and adapt in real time, tailoring support to the child's specific needs as they emerge. Just as importantly, the child develops trust and rapport with a real person who understands how they learn, creating the confidence and motivation that are essential for progress.

I have also seen particularly positive outcomes when specialist dyslexia intervention is combined with support that strengthens related developmental skills. For some children, music lessons can enhance listening skills, rhythm and phonological awareness. For others, occupational therapy can improve handwriting, fine motor skills and visual-motor integration. When support is personalised, and professionals work together to address the whole child, rather than focusing solely on reading difficulties, the results can be truly transformative.

A dyslexia diagnosis is not a prediction of what a child can achieve. It is the beginning of a journey towards understanding how they learn best, recognising their strengths, and providing the support they need to flourish both in school and beyond.

References

• Cavalli, E., Chanoine, V., Tan, Y., et al. (2024).Atypical hemispheric re-organisation of the reading network in high-functioning adults with dyslexia: Evidence from representational similarity analysis. Imaging Neuroscience, 2. [direct.mit.edu]

• Dionne-Dostie, E., Paquette, N., Lassonde, M., & Gallagher, A. (2015). Multisensory integration and child neurodevelopment. Brain sciences, 5(1), 32–57. https://pmc.ncbi.nlm.nih.gov/articles/PMC4390790/

• Kuznetsov, Pavel & Nelson, Jordan. (2025). Integrating Cognitive Neuroscience into Dyslexia Remediation Programs for Children. https://www.researchgate.net/publication/408733339_Integrating_Cognitive_Neuroscience_into_Dyslexia_Remediation_Programs_for_Children

• Martins, B., Verrone, I. A. B., Sakamoto, M. M. I., et al. (2025).Resting-State Functional MRI in Dyslexia: A Systematic Review. Biomedicines, 13(5), 1210. [mdpi.com]

• Porfyri, I., Paraskevopoulos, E., Anagnostopoulou, A., Styliadis, C., & Bamidis, P. D. (2025). Multisensory vs. unisensory learning: how they shape effective connectivity networks subserving unimodal and multimodal integration. Frontiers in neuroscience, 19, 1641862. https://doi.org/10.3389/fnins.2025.1641862

• Perdue, M. V., Mahaffy, K., Vlahcevic, K., Wolfman, E., Erbeli, F., Richlan, F., & Landi, N. (2022). Reading intervention and neuroplasticity: A systematic review and meta-analysis of brain changes associated with reading intervention. Neuroscience & Biobehavioral Reviews, 132, 465-494. [landilab.p....uconn.edu], [europepmc.org]