Evidence-Based Information & Support

Finally, an explanation for
why school is so hard.

Dyslexia affects 1 in 5 people, and most never get the support they need. This resource helps families understand the signs, separate fact from myth, and find effective help.

Whether you're a parent researching for your child, or an adult who's wondered your whole life, you're in the right place.

1 in 5People have dyslexia or related symptoms
90%Of learning disabilities are reading-based
Age 4Earliest age risk factors can be identified
EarlierIntervention = significantly better outcomes

What exactly is dyslexia?

Dyslexia is a language-based learning difference that is neurobiological in origin, not related to intelligence, effort, or vision. It affects people of all ages and backgrounds, and with the right support, people with dyslexia can thrive.

"Dyslexia is a specific learning disability characterized by difficulties in word reading and/or spelling that involve accuracy, speed, or both and vary depending on the orthography. These difficulties occur along a continuum of severity and persist even with instruction that is effective for the individual's peers. The causes of dyslexia are complex and involve combinations of genetic, neurobiological, and environmental influences that interact throughout development. Underlying difficulties with phonological and morphological processing are common but not universal, and early oral language weaknesses often foreshadow literacy challenges. Secondary consequences include reading comprehension problems and reduced reading and writing experience that can impede growth in language, knowledge, written expression, and overall academic achievement. Psychological well-being and employment opportunities also may be affected. Although identification and targeted instruction are important at any age, language and literacy support before and during the early years of education is particularly effective." — International Dyslexia Association, Official Definition (2025)  [dyslexiaida.org]

The IDA released this updated definition in 2025, reflecting the latest research on causes, presentation, and impact across the lifespan. The video below is the official IDA presentation of the new definition. Watch: IDA Official 2025 Definition of Dyslexia →

The 2025 definition recognizes that dyslexia exists on a continuum of severity, that its causes are multi-layered (genetic, neurobiological, and environmental), and that its effects extend well beyond reading, reaching into writing, academic achievement, psychological well-being, and even career opportunity.

Phonological processing difficulties are common but not universal, meaning dyslexia can look different from person to person. Early oral language weaknesses often signal risk before formal reading instruction even begins.

Identification and targeted support are valuable at any age. Whether a child is in kindergarten or an adult is returning to education, the right instruction makes a meaningful difference.

What causes dyslexia?

Brain imaging studies show that language-processing areas work differently in people with dyslexia. It is also strongly hereditary. If a parent has dyslexia, their child has a significantly elevated risk. It is not caused by lack of reading exposure, poor parenting, or laziness.

Who does it affect?

Dyslexia affects people of all backgrounds, ethnicities, and intellectual levels. Many people with dyslexia are gifted in creative problem-solving, art, engineering, music, entrepreneurship, and athletics. Famous examples include Albert Einstein, Richard Branson, and Agatha Christie.

Is it curable?

Dyslexia is a lifelong neurobiological difference, not a disease to be "cured." But with intensive, structured literacy intervention, the brain's reading pathways can genuinely strengthen. Many people with dyslexia become proficient readers with the right support.

What is it NOT?

Dyslexia is not a vision problem. It is not about seeing letters backwards. It is not laziness, low intelligence, or lack of motivation. It is a specific neurobiological difference in language processing, identifiable, understandable, and highly responsive to the right instruction.

What does dyslexia look like at different ages?

Dyslexia presents differently across life stages. Risk factors can be spotted as young as age 3 or 4, before formal reading even begins.

The 3-or-more rule: If a child shows 3 or more of these warning signs, that is a strong signal to learn more about dyslexia and consider a screening. No single sign is definitive on its own.

  • Delayed speech
  • Mixing up sounds and syllables in long words
  • Chronic ear infections
  • Severe reactions to childhood illnesses
  • Constant confusion of left versus right
  • Late establishing a dominant hand
  • Difficulty learning to tie shoes
  • Trouble memorizing address, phone number, or the alphabet
  • Cannot create words that rhyme
  • A close relative with dyslexia
Risk factors can be identified before a child ever begins formal reading. If 3 or more of these apply, consider scheduling a screening. Early action makes the biggest difference.
  • Dysgraphia, slow, non-automatic handwriting that is difficult to read
  • Letter or number reversals continuing past end of first grade
  • Extreme difficulty learning cursive
  • Slow, choppy, inaccurate reading, guesses based on shape or context; skips prepositions; cannot sound out unknown words
  • Terrible spelling
  • Cannot remember sight words (they, were, does) or homonyms (their, they're, there)
  • Difficulty telling time on a clock with hands
  • Trouble with math, memorizing multiplication tables, sequences, directionality
  • Difficulty finding the right word when speaking, lots of "whatyamacallits"
  • Extremely messy bedroom, backpack, and desk
  • Dreads going to school, stomach aches, headaches, nightmares about school
Structured literacy intervention is most effective in the early elementary years. Do not wait for a child to "catch up on their own", the gap widens over time without support.

All of the elementary school signs may still be present, plus:

  • Limited vocabulary
  • Extremely poor written expression, large gap between verbal skills and written work
  • Unable to master a foreign language
  • Difficulty reading printed music
  • Poor grades in many classes despite intelligence and effort
  • May drop out of high school
Teens with undiagnosed dyslexia are at elevated risk for anxiety, depression, and dropout. A proper evaluation opens the door to IEP, 504 Plan, and formal accommodations.

Educational history similar to the above, plus:

  • Slow reader, may need to read a page 2 or 3 times to understand it
  • Poor speller
  • Difficulty putting thoughts onto paper, dreads writing memos or letters
  • Still has difficulty with right versus left
  • Often gets lost, even in a familiar city
  • Sometimes confuses b and d, especially when tired or sick
Many adults were never diagnosed and spent years thinking they simply weren't smart enough. It is never too late, adult literacy programs and structured tutoring can meaningfully improve reading and writing ability at any age.

Common myths about dyslexia

Persistent misconceptions delay diagnosis and appropriate help. Here is what the science actually says.

Myth

Dyslexia is a vision problem

Fact

Dyslexia is a language-processing difference, not a vision problem. It affects how the brain processes sounds and connects them to written words, not how the eyes see.

Myth

Dyslexia means someone isn't trying hard enough

Fact

Dyslexia has nothing to do with effort, motivation, or intelligence. Many people with dyslexia work harder than their peers just to keep up. The challenge is neurobiological, not behavioral.

Myth

Children will outgrow dyslexia given time

Fact

Dyslexia is a lifelong neurobiological condition. Children do not outgrow it. With proper structured literacy intervention, especially early, they can become skilled readers. Waiting makes it harder.

Myth

You can't diagnose dyslexia until 3rd grade

Fact

Risk factors can be detected as early as age 3 to 4. Waiting until 3rd grade is the outdated "wait to fail" approach, and it causes real harm to children's self-esteem and progress.

Myth

More reading exposure will fix the problem

Fact

Dyslexia is neurobiological, not caused by lack of reading exposure. More reading practice alone, without targeted, structured literacy instruction, does not remediate dyslexia.

Myth

Special fonts and colored overlays treat dyslexia

Fact

Research does not support colored overlays or dyslexia fonts as effective treatments. The core challenge is phonological processing, not visual. Effective intervention is structured literacy.

What does effective treatment look like?

Dyslexia is not treated by reading more books or trying harder. It requires specific, evidence-based intervention, structured literacy, delivered by a trained specialist.

1

Get a proper evaluation

A comprehensive evaluation by a trained specialist can identify dyslexia and pinpoint specific areas of difficulty. This typically includes assessments of phonological awareness, decoding, reading fluency, spelling, and language processing. Understanding the profile of strengths and challenges is the essential first step toward getting the right support.

2

Structured literacy instruction

The gold standard for dyslexia intervention. Structured literacy is explicit, systematic, sequential, and multisensory, directly teaching the relationship between sounds and letters in a carefully ordered way. Research from the National Institutes of Health consistently supports this approach above all others.

Orton-GillinghamBarton Reading & SpellingWilson Reading SystemProject ReadIMSE
3

School accommodations & advocacy

Students with documented reading difficulties may be eligible for academic accommodations through their school, such as extended time on tests, access to audiobooks, reduced writing requirements, or oral testing options. A private evaluation can provide valuable documentation that schools may consider when determining eligibility for support. Parents have rights in this process, it pays to understand them.

4

Assistive technology & tools

Technology can be a powerful equalizer. Text-to-speech software, audiobooks (Learning Ally, Bookshare), speech-to-text tools, and recording devices help people with dyslexia access information and express themselves without the barrier of decoding. These tools do not replace instruction, but they remove obstacles while intervention progresses.

5

Support the whole child

Dyslexia affects more than reading; it affects confidence, self-image, and emotional health. Children with undiagnosed dyslexia commonly develop anxiety, depression, and school avoidance. Therapy, support groups, and self-advocacy training help children understand their own learning style, build resilience, and see their differences as strengths.

Who's behind this site

This resource was created to give families clear, research-backed information about dyslexia, without the confusion, jargon, or sales pitches. The information here reflects current scientific consensus and guidelines from the International Dyslexia Association.

RS

Rebecca St. Marie

Dyslexia Screener & Tutor  ·  Arizona & California  ·  Remote sessions available

Rebecca St. Marie is a dedicated dyslexia screener and tutor with a passion for helping children and adults understand their learning differences and unlock their full potential. She specializes in identifying the warning signs of dyslexia early, guiding families through the screening process, and providing targeted tutoring grounded in structured literacy principles.

Rebecca is based in Arizona and California and works with learners across age groups. She also offers remote sessions, making her services accessible to families anywhere. She is committed to ensuring that no one spends years struggling without answers or support.

  • Dyslexia Screener
  • Dyslexia Tutor
  • Structured Literacy
  • All Ages Welcome

Not sure where to start? Rebecca can help.

Reach Rebecca directly

Rebecca is available to answer your questions, discuss your child's signs, schedule a screening, or talk through next steps, with no pressure and no judgment.

  • Free initial conversation to discuss your concerns
  • Dyslexia screenings, earliest screening at age 4; primary testing from age 5½ and up
  • One-on-one tutoring using structured literacy methods
  • Guidance navigating school accommodations and IEP processes
  • General tutoring support, homework, writing, and projects, even if dyslexia is not confirmed
  • Based in Arizona & California, remote sessions available nationwide

Contact Rebecca directly

(760) 920-8769

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