Understanding AuDHD: The Science Behind the Nervous System

Complete 9-Poster Research-Informed Collection

Autism and ADHD can overlap in complex ways. A person may need predictability and seek novelty, experience deep focus and difficulty switching attention, appear to cope while using enormous internal effort, or know exactly what needs to be done while still finding it difficult to begin.

This 9-poster AuDHD collection from Nonspeaking Autism explores some of these experiences through accessible, visual and research-informed explanations.

Designed to help people look beyond behaviour and understand what may be happening underneath, the collection brings together sensory processing, executive function, attention, emotional regulation, overload, recovery, camouflaging and co-regulation.

Rather than focusing on compliance or correction, these resources encourage understanding, accommodation, connection and practical support.

💙 Different brains. Shared challenges. A fuller picture.

🌻 What's Included — 9 A2 Posters

1. The Science Behind Task Paralysis & Getting Stuck in AuDHD

Explores why knowing what to do and being able to start, organise, shift or continue an action can be very different things. Covers executive control, attention, motivation, sensory overload and practical ways to reduce barriers.

2. The Science Behind Attention Switching & Interest-Based Attention in AuDHD

Looks at why attention may lock deeply onto something meaningful, drift away or become difficult to redirect. Explores attention networks, executive control, motivation, interest and switching between activities.

3. The Science Behind Overload, Depletion & Recovery in AuDHD

Explores how sensory, cognitive, emotional and social demands can accumulate, reducing available capacity and creating a need for genuine recovery.

4. Understanding Sensory Sensitivity in AuDHD

Explores why everyday sensory input may feel louder, sharper, faster or harder to ignore when autistic and ADHD sensory and attentional differences overlap.

5. Understanding Emotional Dysregulation in AuDHD

Looks at why emotions may feel bigger, arrive more quickly and take longer to settle, including the possible roles of sensory processing, attention, cognitive load, uncertainty and nervous-system regulation.

6. The Science Behind the AuDHD Need for Novelty vs Predictability

Explores the seemingly contradictory experience of seeking stimulation and new experiences while also needing routine, familiarity and predictability — and why both needs can be genuine at the same time.

7. The Science Behind Camouflaging in AuDHD

Looks beneath the visible layer of "coping" to explore the cognitive, sensory and emotional effort that may be involved in masking, compensating and camouflaging autistic and ADHD-related differences.

8. The Science Behind Co-Regulation in AuDHD

Explores how a calm, responsive and connected person can help support regulation during stress, sensory overload and recovery — with practical guidance for supportive adults and children or young people.

9. The Science Behind Executive Function in AuDHD

Explores planning, focus, working memory, flexibility, inhibition, task initiation, monitoring and organisation, while recognising that executive-function differences can coexist with significant strengths.

💙 The Approach

Throughout the collection, the emphasis is on understanding the whole person and nervous system, rather than making assumptions based only on outward behaviour.

The posters reinforce messages such as:

It isn't laziness.

Overload is not a lack of effort.

Appearing regulated and being regulated are not always the same thing.

Different needs can coexist.

Support the process, not just the outcome.

Connection over correction. Understanding over expectation.

🌻 Perfect For

SEND and clinical training, therapy rooms, staff CPD, schools and educational settings, parent carer forums, neurodiversity training, community organisations, workplaces, support services and personal understanding.

They can be used individually or displayed together to create a broader visual resource about the lived complexity of combined autism and ADHD.

📥 Your Download

Your purchase includes 9 individual high-quality A2 print-ready PDF posters.

Poster size: 420 × 594 mm (A2)

The files are supplied individually so you can print and display the posters most relevant to your setting.

This is a digital product only. No physical item will be posted.

📚 Research-Informed

These resources are informed by research across autism, ADHD, sensory processing, executive functioning, attention regulation, emotional regulation, camouflaging and co-regulation.

Where evidence specifically examining the combined AuDHD profile remains limited, the posters draw carefully on relevant findings from autism, ADHD and overlapping research rather than presenting emerging evidence as settled fact.

The resources are intended to make complex ideas more accessible while recognising that every person's experience is individual.

📜 Usage Licence

Purchasers may print and publicly display these posters in educational, clinical, workplace, community or training settings.

The licence applies to the purchaser and the setting in which the posters are being used.

Redistribution, resale, public upload, sharing of the digital files with third parties, alteration, editing, extraction of artwork, or use of the digital PDF files to create derivative or commercial products is not permitted.

Please direct other individuals or organisations wishing to obtain digital copies to purchase their own licensed copy.

⚠️ Disclaimer

These resources are provided for educational and informational purposes only. They are intended to support understanding of autism, ADHD, AuDHD and associated experiences and do not constitute medical, diagnostic, psychological, therapeutic or other professional advice.

Autistic and ADHD people are not a homogeneous group. Experiences, abilities, sensory profiles, communication, regulation needs, support needs and responses can vary considerably between individuals and across situations.

The information presented should therefore not be used to diagnose an individual, assume why a particular behaviour is occurring, or replace individual assessment and support.

Where there are concerns about a person's health, development, mental health, sensory processing, communication, behaviour or wellbeing, please seek guidance from an appropriately qualified professional.

Nonspeaking Autism accepts no responsibility for injury, loss or harm arising from the use or misuse of the information contained within these resources.

🌻 Nonspeaking Autism

Connection. Understanding. Belonging.

Different needs. A brighter tomorrow.

See beyond the behaviour. Understand the whole system.

Connection over correction. Understanding over expectation.

© Nonspeaking Autism 2026. All rights reserved.