Understanding the Neurodiversity Overlap: ADHD, ASD, and Dyslexia

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ADHD (Attention Deficit Hyperactivity Disorder), ASD (Autism Spectrum Disorder), and Specific Learning Disorder – Reading (Dyslexia) are distinct developmental conditions. However, they often co-occur and share common features, which can make diagnosis and support more complex.

Understanding how these conditions intersect is key to providing effective, individualized support for children.

Common Areas of Overlap

1. Executive Function Challenges

Children with any of these diagnoses may struggle with:

  • Planning, organising, and managing time – e.g., getting ready for school or preparing for assessments.
  • Working memory challenges – such as keeping track of instructions or completing multi-step tasks.
  • Processing speed difficulties – students may struggle to keep up with the pace of classroom learning.

2. Attention and Focus

 

  1. ADHD: Characterised by inattention, hyperactivity, and impulsivity—or a combination. Children may also become hyper-focused on activities they enjoy.
  2. Dyslexia: Students may appear inattentive during reading tasks due to frustration or cognitive overload.
  3. ASD: Difficulty sustaining attention on non-preferred tasks or shifting focus when needed.

3. Language and Communication

  • Dyslexia: Affects decoding, phonological processing, and reading fluency.
  • ASD: Challenges with pragmatic language (e.g., understanding idioms or tone) and reading comprehension.
  • ADHD: Speech may be impulsive, disorganised, or tangential.

4. Sensory Processing Differences

While most common in ASD, sensory sensitivities may also affect children with ADHD and, to a lesser extent, Dyslexia:

  • Sensitivity to sound, texture, light, or movement.
  • Difficulty regulating responses to sensory input.

5. Emotional Regulation

All three conditions may involve:

  • Emotional dysregulation
  • Anxiety, frustration, or low self-esteem, especially when a child’s needs are misunderstood or unsupported.

How Often Do These Conditions Co-Occur?

  • ADHD and ASD: 30–80% co-occurrence rate
  • ADHD and Dyslexia: 25–40%
  • ASD and Dyslexia: 6–30%, especially in areas involving language and reading comprehension (some cases are considered “Twice Exceptional” or “2e”)

Shared Neurobiological and Cognitive Features

Although each condition presents unique challenges, there are overlapping differences in brain structure and function:

  • Language and phonological processing – (Dyslexia)
  • Attention and impulse control – (ADHD)
  • Social cognition and sensory regulation – (ASD)

Common cognitive difficulties include:

  • Working memory issues
  • Slow processing speed
  • Trouble with task persistence

Why This Understanding Matters

When educators, specialists, and parents are aware of these overlaps, they can:

  • Develop more tailored interventions
    Recognising overlapping challenges allows for more holistic and effective support strategies.

Case Study: Oscar – Supporting Reading Through ADHD-Focused Interventions

Oscar, a 10-year-old student, was diagnosed with ADHD–Inattentive Type and Dyslexia. A recent educational psychology assessment evaluated his cognitive abilities, academic performance, attention, and phonological processing.

Assessment Results:

  • High levels of inattentiveness
  • Below-average reading fluency, nonword reading, and phonological processing
  • Average to high-average scores in other academic and cognitive areas

Although Oscar began losing confidence in his academic ability, the assessment revealed that inattention was the primary barrier, especially in developing reading skills.

Intervention Approach

ADHD-Focused Strategies:

  • 1:1 literacy intervention sessions in distraction-free environments
  • High-interest reading materials (e.g. football player biographies)
  • Positive behaviour supports (movement breaks, immediate feedback, reward systems)

Literacy-Focused Support:

  • Explicit phonics instruction for decoding and spelling
  • Phonological awareness programs
  • Repeated reading and fluency-building strategies

Outcome

Over six months:

  • Oscar became more engaged in reading, especially with football-themed books
  • Significant improvement in phonics, fluency, and phonological awareness
  • He reached the average range in literacy skills
  • Oscar reported greater confidence and enjoyment in reading

Conclusion

This case highlights the importance of addressing attention challenges when supporting literacy development in students with ADHD.

Brothers reading a book together

How Dyslexia Affects Learning and What You Can Do Next

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Your child has just been diagnosed with a Specific Learning Disorder for Reading, otherwise known as dyslexia. But what does this actually mean for their learning, and what should you do next?

It’s likely that your child’s diagnostic report mentioned terms like phonological processing, working memory, or processing speed—but what do these mean, and how do they impact your child’s ability to read and learn? Let’s break them down and explore strategies to help your child succeed.

Understanding How Dyslexia Affects Learning

Dyslexia is not a lack of intelligence or effort—it’s a neurological difference that affects the way the brain processes language. Each child’s experience with dyslexia is unique, but here are some common challenges they may face:

1. Phonological Processing – “Why does my child struggle with sounding out words?”

Phonological processing refers to the ability to recognize and manipulate the sounds in words. If your child struggles to match letters to sounds or blend sounds together when reading, this could be a key reason. This difficulty makes it harder to decode words, which is why reading can feel slow and frustrating.

2. Working Memory – “Why does my child forget instructions so easily?”

Working memory helps us hold and manipulate information in our minds. If your child struggles with remembering multi-step directions, recalling spelling rules, or keeping track of what they’ve just read, working memory challenges could be at play.

3. Processing Speed – “Why does reading take my child so long?”

Processing speed is the rate at which the brain takes in and responds to information. A slower processing speed means that even when a child understands a concept, it might take them longer to read, comprehend, and respond—leading to frustration and fatigue.

4. Reading Fluency and Comprehension – “My child can read the words, but they don’t seem to understand the story.”

Because decoding takes so much effort, your child might struggle to read fluently, which can affect comprehension. By the time they reach the end of a sentence or paragraph, they may have lost track of the meaning.

5. Self-Esteem and Anxiety – “My child says they hate reading and school.”

When reading feels like a constant struggle, children with dyslexia may feel frustrated, embarrassed, or even begin to believe they aren’t smart. This can impact their confidence, motivation, and emotional well-being.

What You Can Do to Help Your Child Thrive

Now that you understand how dyslexia affects learning, the next step is to find ways to support your child and build their confidence. Here’s where to start:

1. Structured, Multisensory Phonics Instruction

The most effective way to support a dyslexic learner is through structured, evidence-based phonics programs. These programs systematically teach letter-sound relationships using a multisensory approach—engaging sight, sound, touch, and movement to help your child build reading skills.

2. Embrace Assistive Technology

There are many tools that can help your child read and write with greater ease:

  • Text-to-Speech (TTS): Reads text aloud, helping with comprehension.
  • Audiobooks: Allow your child to enjoy books at their intellectual level without the frustration of decoding.

Multi-Tiered System of Support: The Difference Between Tier 2 and Tier 3

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In education, the Multi-Tiered System of Support (MTSS) or Response to Intervention (RTI) frameworks are invaluable tools for addressing the needs of all students, especially those who struggle. While Tier 2 and Tier 3 interventions both aim to provide additional support beyond core instruction, they differ significantly in their intensity, focus, and implementation.

Understanding these differences is critical for educators, especially when addressing the needs of students requiring the highest level of support. Moreover, the expertise of a reading specialist or clinician becomes crucial at Tier 3, where the challenges are most profound and individualized approaches are essential.

Overview of the Multi-Tiered System

Tier 1: Core Instruction

Tier 1 represents classroom-based instruction provided to all students in general education.

This tier includes:

  • Universal teaching strategies aimed at meeting the needs of the majority of students.
  • Regular assessments to monitor progress and identify those who may require additional support.

Most students succeed with Tier 1 instruction, but some may need supplemental help, which leads to Tier 2 or Tier 3 interventions.

Understanding Tier 2 and Tier 3

Tier 2: Learning Support and Enrichment

  • Purpose: Targeted support for students who are not making adequate progress with core instruction alone (Tier 1).
  • Group Size: Typically small groups of 3-6 students.
  • Focus: Address specific skill gaps identified through assessments, such as phonics, fluency, or comprehension in reading.
  • Program Design: Often structured programs with evidence-based practices, applied consistently across a group of students with similar needs.
  • Duration: Interventions are short-term and progress is closely monitored.

Tier 2 programs often use standard interventions, such as a scripted reading program or a math skill-building activity, that have been proven effective for the majority of students who need extra support.

Tier 3: Intensive Interventions

  • Purpose: Intensive, individualized support for students who show minimal progress despite Tier 2 interventions. These students often have more significant learning difficulties.
  • Group Size: One-on-one or very small groups of 1-2 students.
  • Focus: Highly specific, individualized goals based on detailed diagnostic assessments.
  • Program Design: Tier 3 interventions are not just more intense versions of Tier 2 programs. They often require customized instructional approaches tailored to the unique needs of the student.
  • Duration: Longer-term interventions with frequent monitoring to adapt instruction.

Key Point: Differentiation of Programs for Tier 3 Students

While Tier 2 students can benefit from shared, structured programs addressing general skill gaps, Tier 3 interventions must go beyond these programs. The differentiation lies in:

  1. Individualization: Tier 3 focuses on the specific needs of the student, which may require significant adjustments or entirely different instructional strategies.
  2. Program Adjustments: A program effective for Tier 2 students might not work for Tier 3 students without modifications. For example, a Tier 2 phonics program may need to be broken down further, paced more slowly, or combined with multisensory techniques for a Tier 3 student.
  3. Progress Monitoring: Data collected at Tier 3 is used to constantly refine the approach, ensuring interventions meet the student’s evolving needs.

One of our programs: UFLI’s Foundations

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At The Reading Specialists, we’re passionate about equipping children with the tools they need to become confident and successful readers. We constantly explore evidence-based approaches to reading intervention, and the UFLI’s (University of Florida Literacy Institute) Foundations program is one of the supported and utilised programs at The Reading Specialists.

Developed by the University of Florida’s Literacy Institute, Foundations is an explicit and systematic phonics program. This means it provides clear and structured instruction in the relationships between letters and sounds (phonics), a foundational skill for reading success.

 

Strengths of the UF Literacy Institute’s Foundations Program:

  • Systematic and sequential: The program follows a carefully designed sequence, ensuring children build skills step-by-step. This logical progression allows them to master basic concepts before moving on to more complex ones, fostering a strong understanding of the alphabetic code.
  • Aligned to reading science: UFLI is grounded in the “Science of Reading”, which emphasises the importance of explicit phonics instruction for developing foundational reading skills. This means it directly targets the skills needed for students to decode words and become fluent readers.
  • Multisensory learning: Foundations incorporates a variety of activities that engage different learning styles. This might include visual aids, auditory instruction, and kinesthetic activities like manipulating letters. This multisensory approach caters to individual learning preferences and helps solidify learning.

 

Benefits of the UF Literacy Institute’s Foundations Program:

  • Strong phonics foundation: By explicitly teaching phonics skills, Foundations equips children with the ability to sound out unfamiliar words, increasing their reading accuracy and fluency.
  • Improved decoding skills: As children master phonics, they become more adept at decoding new words, fostering a sense of independence and confidence as they approach reading challenges.
  • Preparation for reading success: A strong foundation in phonics sets children on the path to becoming successful readers. This can improve their overall literacy skills and academic performance.

 

Who can benefit from the UF Literacy Institute’s Foundations Program?

The Foundations program can be beneficial for a variety of learners, including:

  • Those in the early stages of reading development
  • Those who struggle with phonics skills
  • Those who show signs of reading difficulties

 

At The Reading Specialists, we believe the UF Literacy Institute’s Foundations program offers a valuable approach to developing strong reading skills. While we may not use this specific program in every intervention plan, we incorporate many of these same principles, tailoring our approach to each child’s unique needs.

If your child is struggling with reading, contact us today for a free consultation. We can discuss your child’s specific needs and explore the best approach to help them reach their full literacy potential.

learning irregular words

One of our programs: Irregular word recognition

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Evidence-based enhancements to our program

 

At The Reading Specialists, we continuously refine our evidence-based interventions to support students with Dyslexia. Recognising the specific challenges irregular words present, we’ve incorporated three innovative methods into our Irregular Word Program, leveraging a child’s existing orthographic knowledge (understanding of written word patterns).

What are irregular words?

Irregular words represent a departure from the expected letter-sound relationship established through phonics instruction.

Unlike regular words, where letters consistently correspond to their most common sounds (e.g., C-A-T = “cat,”) irregular words exhibit ‘irregularities not seen frequently in other English words (e.g., “said,” “though”). These inconsistencies necessitate developing strategies to learn how to read and spell irregular words, e.g., the ‘AI’ in ‘said’ makes an /e/ sound. The ‘s’ and the ‘d’ still follow letter-sound rules and so phonics instruction is still relevant when reading irregular words.

Teaching irregular words presents a challenge for children with Dyslexia or reading difficulties, so it’s essential to use evidence-based strategies to ensure that this improves alongside explicit phonics instruction. After a recent overview of evidence-based programs, we have found three strategies that will help improve the literacy of our students.

Research-driven strategies for success:

 

  1. Targeted multisensory instruction: We now utilise the “Look, Say, Cover, Write, Check” strategy specifically for irregular words. This multisensory approach reinforces the visual memory of these challenging spellings, promoting accurate recall.
  2. “Heart Words” integration: Our program now incorporates the research-validated “Heart Words” list developed by the University of Florida Literacy Institute (UFLI). These high-frequency irregular words are critical for reading fluency and can be memorized for automatic recognition, reducing cognitive load during reading.
  3. Phonics-based strategy for advanced learners: For students with strong phonics skills, we implement the Mispronunciation Correction Strategy. This involves pronouncing the irregular word phonetically, allowing your child to bridge the sound-symbol relationship and utilise their existing phonics knowledge to accurately spell the word.
Benefits of a multifaceted approach:

We understand that each child possesses a unique learning style. To optimise irregular word acquisition, our evidence-based interventions are tailored to these individual styles. By offering three distinct, research-supported programs, we can select the most effective option for each student. This decision is informed by our experience working 1:1 with our students and the strong working relationships we build.

  • Enhanced reading and spelling accuracy: By strategically targeting irregular words and strengthening orthographic memory, your child will develop greater confidence and accuracy in their literacy abilities.
  • Solidified phonics foundation: The Mispronunciation Correction Strategy further strengthens phonics skills, empowering students to independently tackle irregular words they encounter.
  • Improved reading fluency: Automatic recognition of high-frequency “Heart Words” significantly improves reading speed and comprehension.

 

The Reading Specialists is dedicated to providing your child with the most effective tools for literacy success. Contact us to learn more about our comprehensive Irregular Word Program and how it can empower your child’s learning journey!

 

Disclaimer: This article is for informational purposes only. Image by Freepik.

Reading intervention letter formation

One of our programs: Letter formation

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At The Reading Specialists, we know that seeing your child struggle with writing can be a source of concern. Forming letters correctly is a foundational skill for successful writing, and we’re here to help! We offer a variety of evidence-based reading intervention treatments specifically designed to improve letter formation.

Why is proper letter formation important?

There are several reasons why forming letters correctly is important:

  • Improved readability: Well-formed letters are easier to read for both your child and others, fostering clear communication.
  • Fine motor skills development: Writing helps strengthen the small muscles in the hand and fingers (fine motor skills). This improved dexterity benefits writing fluency and other activities like drawing.
  • Preparation for spelling: Proper letter formation lays the groundwork for learning to spell words correctly, a crucial skill for academic success.
  • Confidence building: When children struggle with forming letters, it can lead to frustration and a negative attitude towards writing. Effective intervention builds confidence and promotes a love of language.

Our approach to letter formation:

Our team of Specialists understands that every child learns differently. We use a multisensory approach to letter formation, catering to various learning styles and ensuring engagement. Here are some of the methods we incorporate:

  • Visual aids: Including fun games to guide children as they practice writing.
  • Multisensory integration: We may incorporate auditory cues like saying the letter sound while forming it, or kinesthetic elements like tracing the letter in the air.
  • Positive reinforcement: We create a supportive and encouraging environment, celebrating your child’s progress and building their confidence in writing.

 

Individualised support:

Our programs are personalised to address your child’s specific needs. We assess their current skills and tailor activities to target areas that require improvement. This may include focusing on proper letter size, spacing, or hand position.

Seeing improvement:

We understand the importance of progress. We monitor your child’s writing development through ongoing assessments and adjust the program as needed. Our goal is to equip your child with the skills they need to write confidently and legibly.

 

Ready to help your child master letter formation?

Contact The Reading Specialists today for a free consultation. Together, we can help your child develop strong letter formation skills and unlock their potential as a writer!

Reading comprehension

Effective reading comprehension strategies for your child

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At The Reading Specialists, we understand that reading is more than just decoding words. It’s about understanding the meaning of the text and engaging with the story. Yet, some children struggle with reading comprehension, the ability to grasp the message of what they read. We’re here to help!

The importance of reading comprehension:

Strong reading comprehension skills are essential for academic success. They allow children to:

  • Understand the main ideas and details: Comprehension allows children to extract key information from a text, answer questions, and follow the plot of a story.
  • Make connections: Children can connect what they read to their own experiences and prior knowledge, deepening their understanding.
  • Critical thinking: Reading comprehension fosters critical thinking skills as children analyse information, draw conclusions, and form their own opinions.
  • Develop a love of reading: When children can understand and enjoy what they read, they are more likely to develop a lifelong love of literature.

Our approach to reading comprehension:

We offer evidence-based reading intervention treatments specifically designed to improve comprehension skills. We take a personalised approach, tailoring our programs to address your child’s unique needs. However, we base our reading comprehension treatments on Lindamood Bell’s Visualising Verbalising Language Comprehension and Thinking program.

Seeing results:

We understand the importance of progress tracking. We monitor your child’s development through ongoing assessments and adjust the program as needed. Our goal is to equip your child with the strategies they need to become confident and independent readers who can truly enjoy the world of literature.

Ready to help your child unlock the power of reading?
Contact The Reading Specialists today for a free consultation. Together, we can help your child develop strong reading comprehension skills and unlock a love of learning!

Strong vocabulary

One of our programs: Building strong vocabularies

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At The Reading Specialists, we believe every child deserves the opportunity to explore the rich world of language. Vocabulary development is a cornerstone of strong reading comprehension, and for some children, it can be a challenge. We’re here to help! We offer a range of evidence-based reading intervention treatments designed to expand your child’s vocabulary.

Why is a strong vocabulary important?

A strong vocabulary unlocks a world of possibilities for young learners. Here’s how:

  • Reading comprehension: Knowing a wider range of words allows children to understand texts more deeply, grasp complex ideas, and follow the flow of a story.
  • Communication skills: A rich vocabulary empowers children to express themselves clearly and confidently, both orally and in writing.
  • Academic success: Strong vocabulary skills are essential for academic achievement across all subjects.
  • Lifelong learning: A love of language fosters a lifelong passion for learning and exploration.

Our approach to vocabulary development:

We understand that vocabulary development is an ongoing process. Within our tailored Building Strong Vocabularies program, our team of Specialists implements a multisensory and engaging approach to learning new words, catering to different learning styles. Here are some strategies we incorporate:

  • Explicit instruction: We directly teach the meaning and use of new words, incorporating context clues and visual aids for deeper understanding.
  • Interactive activities: Learning through fun games, puzzles, and discussions keeps children engaged and motivated to learn new vocabulary.
  • Exposure and repetition: We ensure children encounter new words multiple times through various activities, solidifying their meaning and usage.
  • Connecting words: We help children connect new words to their existing knowledge and build semantic networks, fostering deeper understanding.
Tailored for your child:

Our programs are individualised to address your child’s specific needs. We assess their current vocabulary level and design activities that target areas for improvement. This may include focusing on synonyms, antonyms, word families, or using vocabulary in context.

Seeing progress:

We know progress tracking is important. We monitor your child’s vocabulary development through ongoing assessments and adjust the program as needed. Our goal is to equip your child with the skills and confidence to use language effectively and navigate the exciting world of words.

 

Ready to help your child build a rich vocabulary?

Contact The Reading Specialists today for a free consultation. Together, we can help your child unlock the power of language and become a confident communicator!

 

Power of reading

Easy ways to encourage a love of reading

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The holidays are coming and one of our favourite online teachers, Mr. Shameer has written this handy guide to encourage children to keep reading during the school break.

Shameer is a strong advocate for building the enjoyment of reading in his students and we have seen first-hand how his passion leads reluctant readers to not only improve their reading but enjoy reading as well.

Shameer’s suggestions for nuturing a love of reading in children are:
  • Let children read anything they want, even if it’s something you think is not quality reading, e.g., comic books
  • If a child does not like the book they are reading, put it to one side and find a book they do enjoy reading
  • Parents – never stop reading to your kids. As well as being a great bonding experience it can help demonstrate reading skills.
Why is holiday reading important?

Numerous studies indicate that students who don’t read or read infrequently during their school vacation see their reading abilities stagnate or decline. This effect becomes more pronounced as students get older and advance through the school system.

If a child reads just 6 books over the summer, or several longer ones, they can prevent the decline in reading comprehension skills.

Every year about a third of our students report not reading a single book over the holidays, while another third report reading just one book. We see this then play out in their reading abilities and relationships as they come ready for Grade 3 and beyond. Simply put, when children don’t read over the holidays, we see a decline in their reading skills which means that they start the next year at a deficit.

How can you help?

While we know many of you already promote holiday reading (thank you!), here are a few more ideas on how adults can help kids make great holiday reading plans:

  • Have a to-be-read list: All year we have learnt how to choose books that we would like to read. Let your child exercise choice in selecting books for their to-be-read list.
  • Visit places where books are present: Sign up for a library card and make it a routine every week to go and get new books. Bookstores are great too.
  • Make it social: We love reading a great book and then talking to others about the book or even better passing the book on to them. Make reading a social aspect of your holidays, have reading ‘parties’ where kids can discuss books safely, create a book swap with other families. Offer up yourself to read with you learner or get more then one copy of a book (if you have access to them) so that others may join in the reading. Offer yourself up as a reading partner or get a friend of your child to be a reading partner.
  • Read aloud: Many home adults assume that their kids (especially those who can read independently) do no want to be read aloud to, and yet, our students tell us repeatedly how much they miss it.

One of our programs – Cracking the ABC Code

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Cracking the ABC Code is a reading program developed by Dr. Lillian Fawcett to help those with reading and spelling difficulties. This program uses a multisensory approach to delivering direct, systematic and structured evidence-based literacy intervention. Cracking the ABC Code has shown evidence in being effective in improving reading accuracy, spelling and reading comprehension.

Cracking the ABC Code has been successfully completed by hundreds of students of all ages in Australia, New Zealand, Singapore, Thailand and the United States of America. It is also approved for use by SPELD, a not-for-profit organisation focused on finding early support and intervention for those with learning difficulties

The Cracking the ABC Code program targets gaps in the following:

  • Letter-sounds and digraphs
  • Sight word reading and spelling
  • Vocabulary
  • Phonological awareness
  • Reading accuracy and fluency
  • Syllabification

The Cracking the ABC Code treatment program has an intensive approach, which is shown to give the best outcomes, however, the mode of delivery is flexible depending on each individual’s circumstances. There is a choice of either:

a) One session with a specialist with four ‘homework’ sessions with a parent or carer per week, or;

b) Five sessions per week with a reading specialist

Option a) requires the parent/carer to be present at every scheduled session with the specialist, so the specialist can present and demonstrate the lesson. The parent/carer will then replicate the lesson during the ‘homework’ sessions.

Key features of the program include:

  • Flexible treatment options
  • Direct, systematic structured approach
  • Developed using evidence-based research
  • Multisensory approach
  • Easy to administer at home

 

Cracking the ABC Code is offered to our clients alongside our current programs from the Macquarie University Reading Clinic.

The Reading Specialists programs offer what is essential to successful reading and spelling intervention:

  • Evidence-based
  • Structured
  • Direct approach
  • Target phonics
  • High frequency sight words

If you would like more information on which program would best suit yourself or your child, please contact us for a free consultation.