By Dr. Rebecca Troy, EdD · Educator, Researcher & Creator of the PTO Reconnect Protocol™ · TEDx Speaker · As seen in Forbes & Psychology Today
You’ve searched the lists. You’ve read the checklists. Letter reversals, slow reading, trouble rhyming — you’ve checked every box and you still aren’t sure what any of it actually means for your child’s future.
Most dyslexia symptom lists do one thing: they tell you what to watch for. What they almost never do is explain why those signs appear — what is happening in the brain that produces each one — and what that neurological picture means for whether and how your child can be helped.
This article is different. For each of the seven most important signs of dyslexia, I’m going to tell you what you’re observing, what is happening neurologically when you observe it, and what it means for your child’s reading development.
Because a symptom without a neurological explanation is just a label. And your child deserves more than a label.
Before We Start: One Important Framing
Every sign on this list reflects a functional disconnection in the brain’s reading circuitry — specifically, reduced connectivity between the Parietal-Temporal region, responsible for phonological processing, and the Occipital-Temporal region, responsible for automatic word recognition.
Understanding this is important because it means these signs are not evidence that your child cannot learn to read. They are evidence that the brain’s reading pathway needs targeted support to develop the connections it is currently missing.
A functional disconnection is not a permanent deficit. The neuroplasticity research is clear on this. These signs are a starting point, not a ceiling.
The 7 Signs — With the Neurological Explanation Each One Deserves
Sign 1: Your Child Struggles to Sound Out Words They’ve Never Seen Before
What you see:
Your child can memorize familiar words but freezes when they encounter an unfamiliar word. They guess, skip it, or wait for you to tell them what it says rather than attempting to decode it.
Why it happens:
This is the signature of a weakened Parietal-Temporal pathway. The angular gyrus and inferior parietal lobule — the region responsible for converting written letters into their corresponding sounds — are underactivated. The brain cannot reliably perform the phonological mapping that decoding an unfamiliar word requires.
Memorizing familiar words is possible because it draws on a different pathway. But when the brain encounters something new that requires active phonological decoding, the weak pathway is exposed.
Sign 2: Reading Is Effortful and Slow Even for Words Your Child Knows
What you see:
Your child can read, but it looks like hard work every time. They read slowly, lose their place, re-read lines, and seem exhausted after even short reading sessions. There is no sense of fluency or automaticity.
Why it happens:
This reflects underactivation of the Occipital-Temporal region — the brain’s visual word form area, sometimes called the “letterbox.” In fluent readers, this region allows immediate, automatic recognition of familiar word forms.
In children with dyslexia, this automatic recognition pathway is weak, so the brain is forced to route every word — even familiar ones — through the slower, more effortful phonological decoding pathway instead. Reading never becomes automatic. It remains consciously labored.
Sign 3: Spelling Is Inconsistent — Even Words They’ve Practiced Repeatedly
What you see:
Your child studies spelling words and passes the Friday test, then misspells the same words the following week or in a different context. The knowledge doesn’t seem to stick.
Why it happens:
Spelling requires both phonological awareness, which maps sounds to letters, and orthographic memory, which stores how words look. Both draw on the PTO pathways that are underactivated in dyslexia.
Because the connections between these pathways are weak, the brain cannot reliably consolidate the relationship between a word’s sound structure and its written form. Short-term drilling can temporarily encode the pattern, but without a stable underlying pathway, the encoding doesn’t hold across contexts and time.
Sign 4: Your Child Is Clearly Intelligent but Reading Doesn’t Match Their Ability
What you see:
Your child is articulate, curious, creative, and clearly intelligent. They excel verbally, ask sophisticated questions, and understand concepts quickly. But their reading is far below what you would expect for a child of their ability.
Why it happens:
This is the defining profile of dyslexia: an intelligence-reading gap. The brain regions responsible for dyslexia — the Parietal-Temporal and Occipital-Temporal reading pathways — are entirely separate from the neural networks responsible for reasoning, verbal intelligence, and general cognitive ability.
A child can have highly developed frontal and temporal language networks while simultaneously having underactivated PTO reading pathways. Dyslexia does not affect intelligence. It affects one specific set of neural connections.
Sign 5: Your Child Avoids Reading or Becomes Anxious When Asked to Read Aloud
What you see:
Your child finds reasons not to read, resists reading homework, says they hate books, or becomes visibly stressed or dysregulated when asked to read aloud in front of others.
Why it happens:
This is not a behavioral problem or a motivation issue. It is a neurologically rational response. When reading requires maximum conscious effort every time and consistently results in public failure in front of peers, the brain’s threat-detection systems activate.
Cortisol and anxiety are neurologically counterproductive — they directly impair the consolidation of new neural pathways. The child who appears to “refuse” to read is often a child whose brain has learned that the reading situation is a threat environment. This avoidance compounds the disconnection: the less the child reads, the less the underactivated pathways are stimulated.
Sign 6: Your Child Confuses Similar Letters or Reverses Letters When Writing
What you see:
Your child frequently confuses b/d, p/q, or reverses letters and numbers when reading or writing. This continues well past the age when most children have resolved these confusions.
Why it happens:
Letter reversals are often cited as the most visible sign of dyslexia, but they are also the most misunderstood. The confusion is not visual — it is phonological and orthographic.
The brain’s visual system can see the difference between b and d perfectly well. The confusion arises because the Parietal-Temporal pathway that maps the visual form of a letter to its phonological identity is not reliably encoding the distinction. Young children without dyslexia typically resolve these confusions quickly as their reading pathways consolidate. In children with dyslexia, the weak PTO connectivity means the mapping doesn’t consolidate at the expected rate.
Sign 7: Progress in Reading Intervention Doesn’t Transfer or Doesn’t Hold
What you see:
Your child makes progress with a tutor or in a reading program, but the gains are slow, difficult to sustain, or don’t generalize to reading outside the intervention context. You feel like you’re on a treadmill.
Why it happens:
This is one of the most diagnostically important signs, and it is the one most often misattributed to the child rather than the intervention. When reading gains don’t transfer or consolidate, it usually means the intervention is building compensatory strategies around the disconnection rather than targeting the disconnection itself.
Compensatory strategies — taught phonics rules, decoding strategies — require active, conscious effort every time and do not develop the automatic Occipital-Temporal pathway. Transfer and consolidation require that the underlying PTO pathways themselves be strengthened, which requires targeted, daily, mastery-based stimulation of those specific circuits.
What These Signs Are Not
Before moving forward, I want to name something directly, because I hear the opposite implied in school meetings and pediatrician offices far too often.
None of these signs are evidence that your child is not trying hard enough. None of them are evidence of low intelligence. None of them are evidence that your child is lazy, careless, or disruptive. And none of them — not a single one — are evidence that your child cannot become a fluent reader.
They are evidence of a functional disconnection in a specific set of neural pathways. And functional disconnections, in brains that are still developing, respond to targeted intervention.
Every one of these signs is the brain’s way of showing you exactly where it needs support. They are not a verdict. They are a map.
The Sign That Most Parents Miss
There is one pattern that I have observed across thousands of families that rarely appears on standard symptom checklists, and I want to name it here.
It is the gap between who your child is in conversation and who they appear to be on paper.
These children are often extraordinary verbal thinkers. They tell rich, complex stories. They ask questions that stop adults in their tracks. They understand nuance and humor and abstraction at levels well beyond their years. They are observant, empathetic, creative. And then they sit down to read or write and it falls apart.
That gap — the intelligence-reading mismatch — is not a paradox. It is the neurological signature of dyslexia. The verbal intelligence is real and intact. The reading difficulty is real and neurological. Both things are true simultaneously, in the same brain, because the neural systems involved are entirely separate.
The child who has been told they are “not living up to their potential” in reading is not failing. Their brain is failing to receive the specific kind of targeted input that would develop the connections reading requires.
That is a very different problem. And it has a very different solution.
What to Do If You Recognize These Signs
If you are reading this list and finding yourself nodding — recognizing your child in two, three, four, or more of these descriptions — here is what I would tell you directly:
Three Things to Do Now
- Don’t wait for the school to act.
Schools are required to respond to concerns about reading difficulties, but the evaluation and intervention timeline in most districts is slow. Early intervention is neurologically advantageous. The brain’s reading networks are most responsive during the early school years. Every semester of waiting is a semester of consolidating the existing pathway pattern. - Get a formal screening.
You can start with our online dyslexia screener at [link] — it takes approximately 15 minutes and gives you a clear picture of whether what you’re observing is consistent with dyslexia. A formal neuropsychological evaluation provides a definitive diagnosis if you need one for school accommodations or ESA funding. - Understand that the intervention matters as much as the diagnosis.
Many children are diagnosed and then placed in reading programs that teach compensatory strategies around the disconnection rather than targeting it. Knowing your child has dyslexia is the first step. Knowing what kind of intervention addresses the underlying neurological cause is the step that changes their trajectory.
A Note on Early Intervention vs. Older Children
I want to address directly the parents of older children — children who are 10, 12, or 14 and have been struggling for years without the kind of intervention that addresses the root cause.
The brain’s plasticity is greatest in early childhood, and early intervention is genuinely more efficient. But the capacity for neuroplastic change does not disappear as children get older. It changes in character — the trajectory looks different, the timeline is longer — but the mechanism is intact.
Children who have spent years developing compensatory strategies often arrive at intervention with significant emotional weight around reading — the anxiety, the avoidance, the self-concept as “not a reader” that has built up over years of effortful struggle. That emotional layer is real and it matters. Part of what effective intervention does is rebuild both the neural pathway and the child’s belief about what their brain can do.
Severity determines pace. It does not determine destination. And it is never too late to rebuild the bridge.
The Next Step
If you’ve confirmed your state has an ESA program and you want to understand exactly what you’d be funding, the next step is to watch our free webinar — Where to Go After the Diagnosis — which walks through the PTO Reconnect Protocol™ in full: the science behind it, what daily sessions look like, and the outcomes families are achieving.
Knowing the funding exists is the first step. Understanding what it can accomplish for your child’s brain is the second. The webinar covers both.
Watch the free webinar at: https://retrainthedyslexicbrain.com/landing
If you haven’t yet read Why Tutoring Isn’t Working for Dyslexia, that article explains the neurological reason most intervention falls short — and why what you fund matters as much as whether you can fund it.
About the Author
Dr. Rebecca Troy is an educator, researcher, and learning differences expert with more than 22 years in classrooms, resource rooms, and IEP meetings. She holds a doctorate in education, is a Nationally Board Certified Teacher in early and middle literacy, and is the creator of the PTO Reconnect Protocol™ — a neuroplasticity-based reading intervention that has helped 3,000+ children achieve an average of 50 percentile points of reading improvement in 16 weeks.
Her work has been featured in Forbes and Psychology Today. She is a TEDx speaker.
