The orchestra in your head - and why not every section plays the same score
- Richard Moore
- Mar 19
- 12 min read
Imagine your brain as a symphony orchestra. In a neurotypical brain, the strings, brass, woodwind and percussion tend to follow the conductor in broadly predictable ways. In a neurodivergent brain, some sections may play louder, some quieter, some at a different tempo, and occasionally the timpanist launches into a solo nobody asked for. The music is not wrong. It is different. Sometimes strikingly beautiful. Sometimes chaotic. Almost always interesting.
Neurodiversity, as a concept, emerged through disability scholarship and autistic advocacy in the 1990s and is commonly used to describe natural variation in how human brains develop and function (Chapman, 2025). It is most often discussed in relation to ADHD, autism, dyslexia, dyspraxia, dyscalculia and Tourette syndrome. That does not mean these differences never come with difficulty. They can. But it changes the question. Instead of asking, “How do we fix this brain?”, a better question is often, “How does this brain work, what challenges does it face, and what support genuinely helps?” NHS guidance reflects that shift, describing autism as a difference in how the brain works and ADHD as a condition where the brain works differently to most people (NHS, 2022, NHS, 2025).
If you are reading this and recognising yourself, or your child, in these descriptions, this matters: your brain is not broken. It is built to a different blueprint.
ADHD: when the spotlight will not stay where the script wants it
ADHD is one of the most discussed forms of neurodivergence, and one of the most misunderstood. It is not simply an inability to pay attention. Many people with ADHD can focus intensely on things that are novel, urgent or deeply engaging, and that same wiring can bring genuine creativity, rapid ideation and an ability to make connections others miss. The core difficulty is usually regulation of attention, activity and impulse control, not a total absence of attention. The NHS notes that symptoms typically begin before age 12 and involve inattention, hyperactivity and impulsivity (NHS, 2025).
One useful analogy is the theatre spotlight. In some brains, the spotlight operator follows the script fairly smoothly. In ADHD, the spotlight may swing toward something more interesting, or stick on one performer while the rest of the stage fades out. That image fits reasonably well with current neuroscience. NIH-supported work published in 2024 found heightened connectivity in youth with ADHD between deep brain regions involved in reward, learning, movement and emotion, and frontal brain regions involved in attention and control of unwanted behaviours (Owens et al., 2024). That does not mean ADHD is reducible to one circuit, but it does support the idea that ADHD reflects altered communication across brain networks rather than a simple lack of willpower.
Autism: when the brain processes the world at full volume
Autism affects how a person communicates, interacts and experiences the world, and the word “spectrum” matters because autistic people differ enormously in presentation and support needs. The NHS describes autism as a lifelong difference rather than an illness or disease (NHS, 2022).
A useful way to explain autism is to think of the brain as processing the world in higher sensory resolution. Where one brain may filter out fluorescent lights, scratchy clothing, background chatter or subtle changes in routine, an autistic brain may register much more of that input, much more intensely. That heightened processing can be both a genuine strength and genuinely exhausting. Reviews describe sensory processing differences as common in autism and note ongoing evidence for atypical sensory integration and altered multisensory processing, while also making clear that the mechanisms remain complex and unresolved (DuBois et al., 2024; Marco et al., 2011; Thye et al., 2018). Autism research is full of fascinating signals, but fascinating is not the same as final.
Dyslexia and dyspraxia: when the route is different, not the destination
Dyslexia is a common specific learning difficulty that mainly causes problems with reading, writing and spelling, and it does not affect intelligence. Dyspraxia, or developmental co-ordination disorder, affects physical co-ordination and can make everyday tasks feel effortful or clumsy (NHS, 2022b, ).
For dyslexia, a helpful analogy is a postal sorting office. In some brains, sounds and written symbols are matched quickly and automatically. In dyslexia, the sorting system may use a less efficient route, especially for phonological processing. Neuroimaging research supports that broad idea. A 2023 study in Communications Biology reported altered task-related connectivity in dyslexia, including stronger reliance on a dorsal decoding route and stronger interaction with the right cerebellum, with these network differences linked to reading performance (Türker et al., 2023).
For dyspraxia, the GPS analogy works well. The brain may know what it wants the body to do, but timing, sequencing and execution do not always line up smoothly. NHS guidance describes DCD/dyspraxia as affecting physical co-ordination and daily activities, and notes that children may appear awkward or clumsy (NHS, 2023).
Dyscalculia: when numbers refuse to behave
Dyscalculia is to numbers what dyslexia is to words. It affects the intuitive sense of quantity and numerical relationships. Research has long linked mathematical learning difficulties with differences in number-processing networks, especially the intraparietal sulcus (Butterworth et al., 2011; Molko et al., 2003). Dyscalculia also commonly co-occurs with other developmental difficulties, and early identification can make a meaningful difference to educational support (Butterworth et al., 2011; Rapin, 2016).
Tourette syndrome: when the movement filter is less effective
Tourette syndrome is a neurological condition characterised by motor and vocal tics. The NHS notes that it cannot currently be cured, although behavioural therapy and medication can help manage symptoms, and that ADHD and OCD commonly co-occur (NHS, 2025b).
A simple analogy is that the brain’s movement filter is less effective at damping down stray signals. That is not a full explanation of Tourette syndrome, but it is more humane and accurate than implying tics are voluntary. NHS guidance also notes there is little evidence that complementary treatments, including herbs and supplements, help Tourette symptoms overall (NHS, 2025b).
So far we have looked at how these brains are wired. The natural next question is what, if anything, we can do about the day-to-day experience of living in one.
So where does Functional Medicine fit?
This is where the conversation often goes wrong. Functional Medicine should not claim that autism is caused by the gut, that ADHD is just a magnesium deficiency, or that dyslexia can be fixed with fish oil. The more defensible position is subtler: neurodiversity reflects real differences in brain development and brain network function, but nutrition, sleep, movement, gut symptoms and nutrient status may still influence how well that brain functions day to day. Review-level evidence in children and adolescents supports that broader systems-based frame, while also making clear that evidence quality varies substantially between interventions (Khazdouz et al., 2024; Talib et al., 2024).
Elimination diets: useful for some, not a universal answer
The few-foods or oligoantigenic diet has shown benefit in some children with ADHD, but it is restrictive, hard to implement and not something to attempt casually. Reviews suggest the field may be moving toward identifying responder subgroups rather than assuming one exclusion strategy will work for everyone (Pelsser et al., 2017).
In autism, the same caution applies to gluten-free and casein-free diets. A recent scoping review described the evidence as mixed and called for better-quality research (Zafirovski et al., 2024). That means these diets may help some children, but they should not be presented as a universal autism protocol, especially where the child already has severe food selectivity.
The gut–brain axis: fascinating, but not yet definitive
The gut–brain axis is one of the most exciting areas in this field. The gut microbiome can influence immune signalling, metabolite production and communication with the brain. That is real biology, not wellness fluff. But there is a huge gap between “interesting” and “clinically established” (Soleimanpour et al., 2024).
In autism, two 2024 meta-analyses reached slightly different conclusions. One reported significant improvement in behavioural symptoms with probiotics, while another found only borderline benefit for core autism symptoms (Kotowska et al., 2024; Soleimanpour et al., 2024). Taken together, they suggest that microbiome-targeted approaches may help some autistic children, especially those with gastrointestinal symptoms, but the evidence is not strong enough to say probiotics treat autism itself.
That middle ground is probably the right one for parents: take gut symptoms seriously, but do not confuse a promising frontier with a proven answer.
Supplements: where the evidence is real, but rarely dramatic
Omega-3s are biologically plausible because neuronal membranes are rich in long-chain polyunsaturated fats. But plausibility is not the same as clinical effectiveness. A 2023 meta-analysis found that omega-3 fatty acids did not improve ADHD core symptoms overall, although longer-term supplementation may have some potential (Liu et al., 2023). Earlier meta-analyses found small benefits in some studies, particularly with higher EPA content (Chang et al., 2018). The most honest summary is that omega-3s may help some children modestly, but they are not a miracle intervention.
Magnesium, vitamin D, zinc and iron are best handled the same way: test where appropriate, then correct genuine insufficiency. A 2025 randomised trial found that high-dose vitamin D3 reduced tic severity more than low-dose vitamin D3 in children with chronic tic disorders (Mohamed et al., 2025). That is interesting, but far from enough to justify blanket supplementation for all children with tics.
The MADDY trial is one of the more interesting studies in the broader micronutrient space. It tested a broad-spectrum multinutrient formula in children with ADHD and irritability and found a higher rate of clinician-rated responders in the micronutrient group than in placebo, although not all outcome measures separated cleanly (Johnstone et al., 2021). That makes it important, but not definitive. It points toward the future of personalised, systems-based care rather than proving that every child needs a multinutrient formula.
Exercise and sleep: the least glamorous, most reliable tools
If there is one lifestyle intervention with consistently supportive evidence across several neurodivergent presentations, it is movement. A 2025 meta-analysis found that physical activity improved executive functions in school-aged children with ADHD (Li et al., 2025), and other 2025 meta-analytic work suggests benefits for working memory and related cognitive outcomes (Cheng et al., 2025). In developmental co-ordination disorder, a 2026 meta-analysis found exercise improved motor coordination, fine motor skills, hand–eye coordination and balance (Peng et al., 2026).
The pattern may extend beyond ADHD. Recent work suggests exercise may support executive function in autistic children as well, although the evidence base is still smaller and more heterogeneous than many headlines imply. None of this means exercise is a cure, but it is one of the more consistently supported lifestyle interventions across several neurodivergent presentations.
Sleep is just as important, and just as overlooked. Children and adolescents with ADHD often take longer to fall asleep, sleep less efficiently and report more sleep problems than peers. Systematic reviews indicate that behavioural sleep interventions can improve these outcomes (Larsson et al., 2023; Malkani et al., 2022). Poor sleep can amplify attention problems, emotional volatility and sensory overwhelm, so supporting sleep is often one of the highest-yield interventions available.
What this means for you
If you are a parent, you do not need to choose between two extremes. You do not need to believe diet is irrelevant. And you do not need to believe every sweeping claim about curing autism through the gut or fixing ADHD with supplements. The current evidence supports a more measured position than either extreme (Talib et al., 2024).
A better set of questions is: Is my child sleeping well enough? Is their diet extremely restricted? Do they have constipation, bloating, pain or reflux? Could they have a genuine nutrient shortfall? Is movement helping them regulate, or stressing them out more? Are we supporting this child’s function, or trying to force them into someone else’s idea of normal? Those questions are usually more useful than chasing a universal protocol.
And if you are the neurodivergent person reading this - not the parent, not the ally, but the one living it - these questions apply to you too. If you spent years being told to just try harder before anyone thought to ask whether your brain might simply work differently, you are not alone, and that was not your failing. But the practical questions still matter. Are you sleeping? Are you eating in a way that gives your brain stable fuel? Are you moving in a way that works for your body, not against it? Have you had your nutrient levels checked, or are you guessing? You deserve the same thoughtful, individualised attention that we would give a child. Your brain is not a problem to be solved. It is a system that works best when its basic needs are met.
That is where a thoughtful, evidence-based functional approach can help most: not by promising to erase neurodiversity, but by improving the conditions in which that brain has to function.
How You Nutrition can help
At You Nutrition, the aim is not to promise a cure for neurodiversity. It is to support children, adults and families in exploring the modifiable factors that may be affecting everyday function, including restricted eating, gut symptoms, likely nutrient gaps, erratic meals, low diet quality, poor sleep foundations, supplement confusion and sensory-friendly food expansion.
That might mean helping a child gradually widen a very limited range of accepted foods. It might mean supporting an adult to better understand how sleep, nutrition and routine affect day-to-day focus, energy and regulation. It might mean identifying red flags that need onward medical referral, or helping someone distinguish between interventions with real potential and those that are simply overpromised. Most of all, it means supporting the individual in front of you rather than chasing a one-size-fits-all protocol.
At You Nutrition Clinic, we have a paediatric team - Jessica and Clare - who specialise in neurodiversity. Both are ARFID trained. In addition, Jessica's specialism is PANS/PANDAS, which is often misinterpreted as neurodivergence, and Clare, a qualified fertility practitioner, can support mothers who want to optimise their health and the health of their infant during pregnancy.
Because a neurodivergent brain may have different wiring. But every brain still deserves the best conditions to function well.
To find out more, or to arrange a free introductory chat, please contact us at admin@younutritionclinic.com.
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Stay curious. Stay hopeful. Support your brain. 🧠
Disclaimer: This article is for informational and educational purposes only and does not constitute medical advice. Always consult with a qualified, registered medical doctor (MD) for diagnosis and treatment decisions.
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