Dyslexia and the Brain: Why Reading Can Be So Hard—and Why the Right Intervention Matters
If your child has dyslexia, you may have watched them work incredibly hard to read a word that seems to come automatically to another child.
You might wonder:
Why is reading so difficult for my child?
Or perhaps even more importantly:
Can intervention actually make reading easier?
Research into the neuroscience of dyslexia helps answer both questions. Dyslexia is associated with differences in how the brain develops and uses the networks involved in reading. And there is another important piece of the story for parents:
The brain can change in response to effective reading intervention.
Reading Is Actually a Pretty Complicated Job for the Brain
Reading may eventually feel automatic, but our brains have to coordinate several different systems to make that happen.
Think about what your child has to do when they see an unfamiliar word.
They have to look at the letters, recognize them, connect those letters to sounds, blend the sounds together, recognize the word, connect the word to its meaning, and do all of this quickly enough to understand the sentence they are reading.
That's a lot happening at once!
Research has identified a network of brain regions—primarily in the left hemisphere—that work together during reading. Different parts of this network contribute to skills such as recognizing printed words, connecting letters with sounds, phonological processing, and accessing meaning.
For a skilled reader, these systems become increasingly coordinated and efficient.
For someone with dyslexia, that process can look different.
Dyslexia Is Not About Intelligence
This is something every parent—and every child with dyslexia—should hear.
Dyslexia is not a reflection of intelligence.
Historically, dyslexia was sometimes identified by looking for a discrepancy between someone's IQ and their reading ability.
Neuroscience research has challenged that idea. The article reviewed research showing that individuals with reading difficulties demonstrated similar patterns of brain differences regardless of whether they had higher or lower IQ scores.
A child can be incredibly bright and still have significant difficulty learning to read.
If your child can explain a complicated idea verbally but struggles to read or spell words that seem much simpler, those two things are not contradictory.
Their reading difficulty does not tell you how intelligent they are.
So, What Is Different About the Brain in Dyslexia?
Researchers have found differences in both the structure and function of brain networks involved in reading in individuals with dyslexia.
One area of particular importance helps us efficiently recognize written words and word forms. Another helps connect what we see in print with the sounds we hear and say.
This connection between letters and sounds is incredibly important.
When children learn to read an alphabetic language like English, they must understand that the letters on the page represent sounds in spoken language.
This is why phonological awareness is so closely connected to reading development.
A child needs to become aware that a word such as cat can be broken into /k/ /a/ /t/ and then learn that those sounds can be represented by the letters c-a-t.
For many children, these connections develop relatively easily with instruction.
For children with dyslexia, they may require much more explicit, systematic, and intensive teaching.
Why Does My Child Have to Sound Out the Same Word AGAIN?
This is one of the most common frustrations I hear from parents of struggling readers.
"We literally practiced this word yesterday."
"She knew it five minutes ago."
"Why does he have to sound it out every single time?"
The answer may have less to do with effort or attention than parents realize.
Another part of the brain's reading network is involved in the automatic visual processing of printed words. As reading develops, familiar written words can be processed increasingly efficiently.
That automaticity is what allows a skilled reader to look at a familiar word and recognize it almost immediately.
Research reviewed in this article found reduced activation in this region in individuals with dyslexia.
That helps us understand something incredibly important:
A child who repeatedly struggles with the same word isn't necessarily being careless or failing to try.
Reading may simply require significantly more effort.
“But My Child CAN Read…”
This is another important distinction.
Having dyslexia doesn't necessarily mean that a child cannot read.
Some children with dyslexia become fairly accurate readers—but they are slow and laborious.
They may sound out words correctly but take much longer to do it.
They may read a paragraph accurately but spend so much mental energy decoding the words that they have difficulty remembering what they just read.
They may dread reading homework because ten minutes of reading feels exhausting.
As children get older, this can become even more noticeable because the amount and complexity of reading required at school increases.
That's why a comprehensive literacy evaluation should consider much more than whether a child got a word "right" or "wrong."
Accuracy, decoding, automaticity, fluency, phonological processing, spelling, language, and comprehension all matter.
Can We See Signs of Dyslexia Before a Child Starts Reading?
This is one of the most fascinating areas of dyslexia research.
Brain differences associated with dyslexia have been observed in children before they receive formal reading instruction.
Researchers have even identified differences in very young children and infants with a family history of dyslexia.
That doesn't mean we should be giving babies brain scans to diagnose dyslexia.
It means something much more practical:
We shouldn't always have to wait for a child to fail at reading before taking concerns seriously.
Researchers have identified several early skills associated with later reading ability, including:
Phonological awareness
Letter knowledge
Rapid naming
Expressive vocabulary
Receptive vocabulary
Family history of dyslexia
None of these factors alone means a child will develop dyslexia.
But when a pattern of risk factors begins to emerge, early identification gives us an opportunity to provide support sooner.
“They Told Me to Wait and See.”
Parents of struggling readers hear this phrase far too often.
"Let's give it another year."
"They're still young."
"Maybe it will click."
Development absolutely varies from child to child.
But persistent reading difficulty deserves attention.
The neuroscience reviewed in this article suggests that differences associated with dyslexia can exist before a child ever begins formal reading instruction.
Waiting for a child to fall significantly behind isn't necessary before we begin looking closely at the skills that support reading.
If a child is struggling with phonological awareness, learning letter sounds, decoding, spelling, remembering words, or developing reading fluency, we can evaluate those skills.
And when weaknesses are identified, we can teach them.
The Most Encouraging Part: The Brain Can Change
This may be the most important takeaway from the research for families.
Our brains are plastic.
Neuroplasticity refers to the brain's ability to change in response to experience and learning.
Studies examining children with dyslexia before and after reading intervention have found changes in brain activation alongside improvements in reading-related skills.
Some studies have even found changes in gray matter and white matter connectivity following intervention.
In other words, effective teaching doesn't simply help a child perform better on a worksheet.
Learning can be accompanied by measurable changes in the brain.
What Kind of Reading Intervention Are We Talking About?
This part is especially important.
The intervention studies discussed in the article generally didn't involve simply giving children more books and asking them to practice reading.
The researchers describe remediation programs that included systematic, explicit, and intensive instruction in phonological awareness and decoding.
Those words matter.
Systematic
Skills are taught in an intentional sequence, with new concepts building upon previously mastered skills.
Explicit
We don't expect children to discover the patterns of written language on their own.
We teach them directly.
Intensive
Children with significant reading difficulties often need more targeted instruction and repeated opportunities to practice than their peers.
This aligns closely with the principles behind structured literacy intervention.
Why I Use a Structured Literacy Approach
When I work with children with dyslexia, suspected dyslexia, or other reading and spelling difficulties, I don't want them memorizing their way through reading.
I want them to understand how the language works.
As an Orton-Gillingham–trained Speech-Language Pathologist, I approach literacy through both a structured literacy and language lens.
Depending on the child's individual needs, intervention may address phonological and phonemic awareness, letter-sound relationships, decoding, encoding and spelling, syllable types and division, orthographic patterns, morphology, vocabulary, syntax, fluency, and reading comprehension.
Most importantly, intervention should be based on the individual child.
Dyslexia doesn't look exactly the same in every student.
Your Child Isn't “Just Being Lazy”
When reading is easy for us, it can be difficult to understand how exhausting it can feel for someone with dyslexia.
A child may avoid reading.
They may guess at words.
They may become frustrated during homework.
They may say, "I hate reading."
They may appear to rush through assignments.
Sometimes those behaviors are interpreted as a lack of motivation.
But imagine having to consciously work through a process that seems automatic for everyone around you—all day, every day.
Understanding the neuroscience of dyslexia helps us shift the question from:
“Why aren't they trying harder?”
to:
“What skills haven't become efficient yet, and how can we teach them more effectively?”
That's a very different conversation.
If Your Child Is Struggling With Reading or Spelling, Find Out Why
Not every struggling reader has dyslexia.
And not every child with dyslexia has exactly the same profile.
That's why I believe strongly in comprehensive literacy evaluations.
Rather than simply asking, “Is this child reading below grade level?” we want to understand the underlying skills contributing to that difficulty.
Where is the breakdown?
Is it phonological awareness?
Decoding?
Orthographic processing?
Spelling?
Reading fluency?
Language comprehension?
Morphology?
Or a combination of several areas?
Once we understand the child's individual profile, we can make intervention much more purposeful.
The Bottom Line for Parents
Dyslexia is a real, neurobiologically based reading difficulty.
It is not a sign of low intelligence.
It is not simply a lack of motivation.
And children should not have to repeatedly fail before their reading difficulties are taken seriously.
Research shows us something hopeful, too: the brain responds to learning and intervention.
Early identification, comprehensive assessment, and systematic, explicit literacy instruction can give struggling readers the targeted support they need.
Because the goal isn't simply to get a child through tonight's reading homework.
The goal is to give them the tools to become a more confident, independent reader.
Dyslexia & Literacy Intervention in Monmouth and Ocean County, NJ
NRC Therapy Services provides individualized literacy evaluations and literacy intervention for children with dyslexia, suspected dyslexia, reading difficulties, spelling difficulties, and language-based literacy needs throughout Monmouth and Ocean Counties, New Jersey.
As an Orton-Gillingham–trained Speech-Language Pathologist, I combine structured literacy principles with an understanding of speech and language development to identify and address the underlying skills contributing to reading and writing difficulties.
If your child is struggling with decoding, spelling, phonological awareness, reading fluency, reading comprehension, or written language, a comprehensive literacy evaluation can help determine why they are struggling and guide individualized intervention.
Contact NRC Therapy Services to learn more about comprehensive literacy evaluations, structured literacy intervention, and dyslexia support in Monmouth and Ocean County, NJ.
Reference
D’Mello, A. M., & Gabrieli, J. D. E. (2018). Cognitive neuroscience of dyslexia. Language, Speech, and Hearing Services in Schools, 49, 798–809.