Every day we work with incredible children who learn in different, dynamic ways. Many of our pupils have a neurodiverse profile including dyslexia, ADHD, and autism—that shapes how they interact with the world and how they learn.
Understanding the workings of the brain helps us support our pupils more effectively. One area that plays a crucial role in learning—but is often overlooked—is the world of neurotransmitters.
In this blog, we’ll explore what neurotransmitters are, why they’re important for learning and how differences in neurotransmitter activity can impact children with SEND.
What Are Neurotransmitters?
Neurotransmitters are chemical messengers that transmit signals between nerve cells (neurons) in the brain and body. They influence how we focus, process information, regulate emotions, and respond to the world around us.
Some key neurotransmitters involved in learning include:
- Dopamine – supports motivation, reward, focus, and working memory.
- Serotonin – affects mood, sleep, and emotional regulation.
- Norepinephrine – helps with attention, alertness, and response to stress.
- Acetylcholine – important for memory, learning, and sensory processing.
- GABA (gamma-aminobutyric acid) – helps calm the brain and support self-regulation.
Neurotransmitters shape learning and behaviour—particularly in children who are neurodivergent.
Dyslexia and the Neurotransmitter Connection
Dyslexia isn’t about intelligence—it’s a difference in how the brain processes written and spoken language. Emerging research suggests that dopamine and acetylcholine play important roles in reading and language learning.
- Dopamine supports working memory, essential for holding letters and sounds in mind while decoding words.
- Acetylcholine is vital for language acquisition and memory consolidation—key for retaining phonics rules and spelling patterns.
Some children with dyslexia may have lower dopamine activity, which can affect motivation and sustained attention. This means they might struggle more to stay engaged with traditional, text-heavy learning, especially if success doesn’t come quickly.
At Toucan, we address this by using multi-sensory, emotionally positive learning environments that help activate the brain’s reward system and build self-esteem alongside academic learning.
ADHD and the Chemistry of Focus
ADHD is strongly linked to dopamine and norepinephrine imbalances. These two neurotransmitters are essential for executive functioning—a set of mental skills that includes impulse control, organisation, attention and emotional regulation.
- In ADHD, the dopaminergic pathways are underactive, making it harder for children to:
- Start tasks
- Stay focused
- Delay gratification
- Follow through on multi-step instructions
This isn’t a question of willpower—it’s a biological difference in how the brain’s motivation and attention circuits are wired.
At Toucan we embed movement, novelty and play into our specialist teaching approach. These activities boost dopamine and norepinephrine naturally, helping children with ADHD learn in ways that are engaging, energising and effective.
Autism and Sensory Integration
Autistic learners often experience the world in heightened ways—whether through sensitivity to sound, light, texture, or social cues. Neurotransmitters like GABA, serotonin and glutamate play a major role in this sensory regulation.
- GABA helps the brain filter out unnecessary stimuli. If GABA levels are low, children may become overwhelmed or anxious in busy environments.
- Serotonin supports mood regulation and flexible thinking, which are often areas of difficulty for autistic pupils.
- Glutamate is involved in learning and memory but can cause overstimulation when out of balance.
We tailor the learning environment to meet the needs of each individual child, providing quiet zones, predictable routines and various therapeutic supports to help children with autism feel calm, safe and able to learn.
We also recognise that many autistic learners have intense interests and thrive when these are integrated into learning. Following a child’s interests taps into the brain’s dopamine system, creating intrinsic motivation and joy.
Why This Science Matters for Learning
Understanding neurotransmitters helps both parents and educators move from “why won’t this child concentrate?” to “how can I support this child’s brain to function at its best?”
At Toucan, our teaching strategies are neuro-affirming and science-informed:
- We allow children to move around as and when they need and build movement breaks and physical activity into every day to boost dopamine and focus.
- We create emotionally safe environments that reduce cortisol and support serotonin.
- We use visuals, rhythms, and hands-on activities to support memory and attention.
- We personalise learning to each child’s holistic needs—not just academic targets.
Neurotransmitters may be invisible, but they are powerful. For children with dyslexia, ADHD, and autism, they play a big part in how easily they can focus, engage, regulate emotions and learn. Understanding brain chemistry is essential. It helps us create a learning environment where every child has their needs met and they feel supported as well as making academic progress.
Interested in how we support neurodiverse learners at Toucan?
Explore more on our blog and socials, and find more about our Flexi School here.