For most children, learning to talk happens fairly naturally. Learning to read does not. Reading is a learned skill that requires the brain to connect several different systems that were already being used for other purposes, including language, speech sounds, vision, attention, and memory.
For many children, those connections develop relatively smoothly with good reading instruction and practice. For children with dyslexia, some of the foundational skills involved in learning to read develop differently, making reading and spelling much harder than we would otherwise expect.
Understanding a little about how the brain learns to read can help make sense of why this happens—and when persistent reading difficulties may be a sign that it is time for an evaluation.
How the Brain Learns to Read
Humans have been using spoken language for tens of thousands of years. Written language is much newer, which means that our brains did not evolve with a dedicated system for reading. Instead, learning to read requires the brain to connect systems involved in recognizing visual information with systems involved in speech and language.
One of the most important foundations for this process is phonological processing, or the ability to perceive, remember, and work with the sounds of spoken language.
Three phonological skills are particularly important for learning to read: phonemic awareness, phonological memory, and rapid automatized naming.
Phonemic awareness is the ability to recognize and manipulate the individual sounds, or phonemes, within words. For example, a child with good phonemic awareness can recognize that "ship" is made up of the sounds "sh," "ih," and "p," blend those sounds together to make the word, or change one sound to turn "ship" into "shop."
This matters because written letters and letter combinations, or graphemes, represent sounds. To learn to decode unfamiliar words, children need to recognize the sounds within spoken words and learn how those sounds correspond to print. Phonemic awareness is therefore one of the strongest predictors of early reading development.
Phonological memory refers to the ability to briefly hold sound-based information in mind. When a child sounds out a longer or unfamiliar word, they need to hold onto the individual sounds long enough to blend them together. Weaknesses in phonological memory can make this process more difficult, particularly as words become longer and more complex.
A third important skill is rapid automatized naming (RAN), which measures how quickly someone can look at familiar information, such as letters, numbers, colors, or objects, retrieve the name, and say it aloud. Children with weaknesses in rapid naming may know exactly what a letter or number is but take longer to retrieve its name automatically. Slow rapid naming is also commonly associated with difficulties developing fluent, efficient reading.
As children practice reading, the process gradually becomes more automatic. Early readers rely heavily on sounding out words letter by letter or sound by sound. With practice, the brain becomes increasingly efficient at recognizing familiar letter patterns and words. Instead of having to decode a familiar word each time they encounter it, skilled readers can recognize it quickly and devote more of their attention to understanding what they are reading.
This shift toward automatic word recognition is an important part of reading fluency. It is also one reason that reading difficulties can have effects beyond simply making mistakes when reading aloud. When recognizing and decoding words requires substantial effort, fewer cognitive resources are available for comprehension, remembering what was read, and integrating information across a longer passage.
How Is Reading Different for Children With Dyslexia?
Dyslexia is a learning disorder characterized by persistent difficulties with accurate or fluent word reading, decoding, and spelling. These difficulties are unexpected relative to a person's other abilities and educational opportunities and cannot be better explained by factors such as inadequate instruction, intellectual disability, or uncorrected hearing or vision problems.
Dyslexia is also common. It is estimated to affect roughly 5–10% of school-aged children, although exact figures vary depending on the criteria used to define and diagnose it.
For many people with dyslexia, phonological processing is an important part of the picture. If a child has difficulty recognizing and manipulating the sounds within words, learning consistent connections between those sounds and written letters becomes harder. As a result, decoding may remain slow or effortful, unfamiliar words may be particularly difficult, and spelling may remain inconsistent even after substantial instruction and practice.
Research has consistently found weaknesses in phonemic awareness among children with dyslexia, and phonemic awareness is strongly associated with word-reading development. Rapid naming weaknesses are also common and can contribute particularly to difficulties with reading fluency.
At the same time, there is no single cognitive profile that describes every person with dyslexia. Some children have pronounced phonological weaknesses, while others have more subtle difficulties. Rapid naming, language development, working memory, attention, and other aspects of learning can also affect how reading difficulties present.
This variability is important. Two children may both struggle to read fluently but for somewhat different reasons, and children with dyslexia may also have other conditions that affect learning, such as ADHD or developmental language disorders. A comprehensive evaluation therefore looks beyond whether a child is simply "behind" in reading and considers the broader pattern of strengths and weaknesses that may be contributing to the difficulty.
Brain-imaging research also supports the idea that reading develops somewhat differently in people with dyslexia. Reading typically relies heavily on a network of regions in the left hemisphere involved in processing speech sounds, language, and written words. Studies of dyslexia have found differences in how parts of this network activate and communicate with one another.
Importantly, these brain differences do not mean that a child with dyslexia cannot become a strong reader. Reading skills remain responsive to instruction. Effective interventions typically include explicit instruction in phonological awareness and phonics, along with practice building reading fluency and comprehension.
Children with dyslexia can make substantial progress when instruction is appropriately targeted and intensive. Reading accuracy often improves before fluency, which can take longer to develop.
When Should You Consider a Dyslexia Evaluation?
Nearly every child has periods when reading is difficult, particularly while learning new skills. A single sign does not necessarily indicate dyslexia. What is more concerning is a pattern of reading or spelling difficulties that persists over time despite appropriate instruction and practice, particularly when the difficulty seems out of step with the child's abilities in other areas.
Some signs can appear before formal reading instruction has even begun.
In preschool and kindergarten:
Difficulty recognizing or producing rhymes
Difficulty learning letter names and letter sounds despite repeated exposure
Difficulty distinguishing similar speech sounds
Persistent difficulty pronouncing longer or more complex words beyond what would be expected for age
A family history of dyslexia or significant reading difficulty
In elementary school:
Reading aloud that remains slow, effortful, or inaccurate compared with peers
Guessing at words based on the first letter, context, or pictures rather than sounding them out
Frequently skipping, substituting, or misreading words
Persistent difficulty with spelling despite studying and practice
Difficulty decoding unfamiliar or made-up words
Avoiding reading aloud or becoming unusually fatigued or frustrated by reading
Written work that takes substantially longer than expected
A noticeable difference between what a child can understand and discuss verbally and what they can independently access through reading
In middle school, high school, and adulthood:
Reading that remains unusually slow or effortful
Difficulty keeping up with reading-heavy assignments
Persistent spelling difficulties
A strong preference for audiobooks, videos, or spoken information over written material
Avoiding reading for pleasure
A longstanding pattern in which academic effort seems disproportionate to results, particularly in classes that require substantial reading or writing
Concerns raised by a teacher or reflected in school progress reports are also worth taking seriously. Families sometimes hear that a child should simply be given more time to "catch up," particularly in the early elementary years. Some children do need additional time and instruction. However, persistent difficulty learning letter-sound relationships, decoding unfamiliar words, developing reading fluency, or learning to spell should not automatically be assumed to resolve with age.
You also do not need to wait until a child is several years behind before seeking an evaluation. Earlier identification can help clarify what is interfering with reading development and allow intervention to be more specifically targeted.
Families have more than one option when reading difficulties are a concern. Parents can request an evaluation through their child's public school when they suspect that a learning disability may be affecting educational progress. A private evaluation can also be helpful, particularly when there are questions about the broader learning profile or whether factors such as language, attention, memory, or executive functioning may also be contributing. The appropriate route depends on the questions the family is trying to answer and the supports the child may need.
What Can an Evaluation Tell You?
A dyslexia evaluation should do more than provide a yes-or-no answer about whether someone meets criteria for a diagnosis.
A comprehensive evaluation looks closely at reading and spelling skills, including word reading, decoding, fluency, and related phonological skills. Depending on the individual and the questions being asked, it may also examine language, attention, memory, executive functioning, and other aspects of learning.
The goal is to understand the pattern.
For example, is a child struggling primarily to connect sounds with letters and decode unfamiliar words? Are they able to read accurately but much more slowly than expected? Is reading only one part of a broader language difficulty? Are attention or executive functioning difficulties making it harder to learn and consistently apply reading strategies? How do the child's reading skills compare with their broader learning and reasoning abilities?
Those distinctions matter because they affect what should happen next.
A useful evaluation should identify both areas of difficulty and areas of strength, clarify whether another condition may be contributing to the learning difficulties, and translate the findings into practical recommendations. This may include recommendations for reading intervention, school accommodations or supports, strategies for managing the workload associated with reading and writing, and guidance for parents and teachers.
For children and adolescents, there is another important goal: helping them understand why reading has been difficult.
Children with dyslexia often recognize long before an evaluation that reading seems easier for other students. Without a better explanation, they may conclude that they are not smart, are not trying hard enough, or are simply "bad at school." A good evaluation can provide a much more accurate explanation—one that recognizes the difficulty while also identifying the many abilities that dyslexia does not affect.
Dyslexia is not a reflection of intelligence. It is a specific difficulty learning to read efficiently. Identifying it can help replace years of frustration and uncertainty with a clearer understanding of what is happening and what kinds of support are most likely to help.
Balanced Minds provides comprehensive evaluations for dyslexia and other learning disorders in children, adolescents, and adults in Bellevue and the greater Seattle area. If you are wondering whether persistent reading or spelling difficulties may warrant an evaluation, you are welcome to contact us to discuss whether an assessment would be appropriate.
References
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