Understanding Sensory Sensitivity in Autistic Adults: When the world feels turned up too loud
Imagine your brain has a sound mixing desk, the kind you see at the back of a concert. Every sense has its own slider: sound, light, touch, taste, smell, movement, balance, and the signals coming from inside your body. The sound engineer's job is to keep everything balanced so you can enjoy the music without it becoming noise.
For many autistic adults, that mixing desk was built a little differently. Some sliders sit higher by default, so the hum of the fridge, the tag in your shirt or the fluorescent light at work arrive at full volume. Other sliders sit lower, so you might not notice you are hungry, cold or needing the bathroom until the signal is suddenly urgent. And on some days the whole desk is already near its limit before you have even left the house.
None of this means your mixing desk is broken. It means it is tuned to pick up more detail, and that tuning comes with both real strengths and real costs. If you have spent years being told you are "too sensitive", "fussy" or "dramatic", understanding your sensory profile can be the first step towards self-compassion and a life that fits your nervous system.
Quick answer: what is sensory sensitivity in autistic adults? Sensory sensitivity refers to differences in how the brain receives and processes sensory information. Many autistic adults experience some senses as more intense (hypersensitivity), some as less intense (hyposensitivity), or a mix of both. These differences are part of how autism is described in diagnostic criteria, can change with stress and fatigue, and are often hidden through masking. Understanding your own sensory profile with a neurodiversity-affirming psychologist can reduce overload and burnout and help you build a life that works with your brain. |
What is sensory sensitivity?
Sensory processing is how your brain takes in information from your body and the world, filters it, and decides what to pay attention to. Sensory differences are one of the core features of autism, and they are recognised in the diagnostic criteria for autism as over-responsiveness or under-responsiveness to sensory input, or unusual interest in sensory aspects of the environment.1 Research estimates that atypical sensory experiences occur in up to 90% of autistic people.1
Sensory sensitivity generally shows up in three ways:
• Hypersensitivity (slider turned up): input feels louder, brighter, sharper or more overwhelming than it seems to for others.
• Hyposensitivity (slider turned down): input registers less strongly, so you may not notice it, or you may seek out more of it.
• Sensory seeking: actively looking for input that feels regulating, like deep pressure, movement, strong flavours or a favourite texture.
Most autistic adults have a mix, and sensory profiles vary widely from one person to the next.1 You might be highly sensitive to sound but crave deep pressure, or avoid strong smells while barely noticing pain. Your profile can also shift from day to day depending on stress, sleep, hormones, illness and how much masking you have been doing.
The eight senses (yes, eight)
Most of us learned about five senses at school. In reality, sensory processing includes at least eight systems, and the three "hidden" senses often explain experiences autistic adults have never had words for.
1. Auditory: sound
2. Visual: light, colour, movement and visual clutter
3. Tactile: touch, texture, temperature and pressure on the skin
4. Olfactory: smell
5. Gustatory: taste and food texture
6. Vestibular: balance and movement, the sense of where your head is in space
7. Proprioception: body awareness, the sense of where your limbs are and how much force you are using
8. Interoception: internal body signals, like hunger, thirst, temperature, heartbeat, needing the toilet, pain and the physical sensations of emotions
What sensory sensitivity can actually feel like: real examples from autistic adults
Sensory differences are often invisible from the outside, which is part of why they are so easily dismissed. Here are some everyday experiences that autistic adults commonly describe. You might recognise a few, many, or almost none, and all of those are valid.
Sound
• Hearing every conversation in a café at the same volume, and being unable to filter out the table next to you to follow your own friend.
• Feeling physically jolted, or even pained, by a dropped plate, a car horn, a baby crying or a hand dryer.
• Finding chewing sounds, pen clicking or someone sniffing unbearable, to the point of needing to leave the room.
• Noticing the buzz of electrical appliances or the hum of a fridge that no one else can hear.
• Open-plan offices leaving you completely drained by lunchtime, even when you "did not do much".
Light and vision
• Fluorescent or LED lighting feeling flickery, harsh or headache-inducing.
• Needing sunglasses on cloudy days, or turning screen brightness down as low as it will go.
• Supermarkets feeling overwhelming because of bright lights, busy packaging and moving people all at once.
• Visual clutter at home making it hard to think or relax.
Touch and texture
• Clothing tags, seams, waistbands, wool or certain fabrics feeling scratchy, itchy or even painful all day.
• Wearing the same few items of clothing on repeat because they are the only ones that feel okay.
• Light, unexpected touch (like a tap on the shoulder or a hug you did not see coming) feeling startling or uncomfortable, while firm pressure feels calming.
• Strong reactions to wet sleeves, sticky hands, sand, or the feeling of a hairdresser washing your hair.
Smell and taste
• Perfume, cleaning products or cooking smells making you feel nauseous, getting a headache or needing to leave.
• Noticing smells others do not, like a colleague's laundry detergent from across the room.
• Having a set of "safe foods", and avoiding foods because of their texture (slimy, mixed, lumpy) rather than taste.
• Strongly preferring certain brands because small changes in a recipe are immediately noticeable.
Movement, balance and body awareness
• Feeling car sick easily, or disliking lifts, escalators or theme park rides.
• Bumping into door frames, dropping things or being told you are "clumsy".
• Craving movement: rocking, pacing, bouncing a leg, or spinning in an office chair to think.
• Finding weighted blankets, tight hugs or compression clothing deeply calming.
Interoception: signals from inside the body
• Not realising you are hungry until you are shaky, irritable or "hangry", or forgetting to eat altogether.
• Noticing you desperately need the toilet only when it becomes urgent.
• Struggling to tell the difference between anxiety, excitement, hunger and tiredness, because they all feel like "something is wrong".2
• Not noticing pain or illness until it is quite advanced, or being very sensitive to small physical sensations.
• Difficulty naming emotions (sometimes called alexithymia) because the body signals that usually tell us what we feel are hard to read. Research suggests around half of autistic people experience alexithymia, compared with about 5% of non-autistic people.3
Sensory overload, meltdowns and shutdowns
When the total amount of sensory input exceeds what your nervous system can process, you reach sensory overload. Think of every slider on the mixing desk being pushed up at once until the speakers start to distort.
Overload can look like irritability, difficulty thinking or speaking, needing to escape, tears, headaches, a racing heart or a sudden drop in energy. If the input continues, some autistic adults experience a meltdown (an intense outward release of distress) or a shutdown (going quiet, withdrawing, losing words or feeling numb). These are not tantrums or choices. They are a nervous system that has reached capacity and is trying to protect you.
Overload is cumulative. A noisy commute, a bright office, back-to-back meetings and a busy supermarket on the way home can each feel manageable on their own, but together they can leave you with nothing left by the evening. In research with autistic adults, sustained input that is hard to escape, like waiting rooms and train stations, was described as especially draining.4
Masking sensory distress: the hidden cost
Many autistic adults, especially those who are late-identified or high-masking, have spent a lifetime hiding their sensory distress. Masking (sometimes called camouflaging) is when you suppress, hide or compensate for autistic traits so you can fit in, avoid judgement or stay safe. When it comes to sensory experiences, masking might look like:
• Sitting through a loud work dinner smiling and nodding while every sound feels like it is scraping your nervous system.
• Wearing uncomfortable "professional" clothes all day.
• Forcing yourself to stay in a bright, busy shopping centre because leaving would seem "rude" or "dramatic".
• Suppressing stims, like fidgeting, rocking or hand movements (that actually help you regulate).4
• Saying "I'm fine" when you are overwhelmed, then falling apart once you get home.
Masking can be a clever and protective survival strategy, especially in environments that have not been safe or accepting. Autistic adults describe masking to fit in, avoid bullying and manage how others see them.5 But it is also very expensive, and many describe it as mentally, physically and emotionally draining.6 You are experiencing the full intensity of the sensory input and spending extra energy hiding your reaction to it. That is double the load.
How sensory sensitivity and masking can impact wellbeing
Over time, ongoing sensory distress that is hidden rather than accommodated can take a real toll. Research has found that masking can be associated with higher levels of anxiety and depression in autistic adults5,7. Some of the impacts people describe include:
• Chronic exhaustion that rest never quite seems to fix.
• Anxiety that is actually anticipation of sensory overload ("I can't go to that event because I know what it will be like").
• Low mood and loss of identity, after years of pushing through and being told your experiences are not real.
• Avoidance and isolation, where life gradually shrinks around the places that feel bearable.
• Physical symptoms like headaches, stomach issues, muscle tension and poor sleep.
• Autistic burnout: a state of deep exhaustion, withdrawal and reduced functioning, often with increased sensory sensitivity. Australian research has linked it to the fatigue of masking, cognitive overload and unaccommodating sensory environments.8
Many late-identified autistic adults first seek support for anxiety, depression or burnout, only to discover later that unrecognised sensory differences and years of masking were a big part of the picture. If that sounds familiar, you are not alone, and it is never too late to understand yourself better.
The other side: sensory sensitivity as a strength
A mixing desk that picks up more detail is not only a source of difficulty. When the environment fits, many autistic adults find their sensory sensitivity is a strength. It can show up as:
• Noticing details, patterns and errors that others miss. Research describes a detail-focused style of perception in autism, such as finding a target faster in a cluttered scene.1
• A deep appreciation of music, art, nature, textures, flavours and beauty.
• Being highly attuned to environments, and knowing exactly what makes a space feel calm, safe or welcoming.
• Strong skills in work that rewards precision, quality control, design, research, sound, food, the creative arts and caring roles.
• Intense, joyful sensory experiences: the perfect hoodie, a favourite song on repeat, the smell of rain. Researchers note that sensory seeking may be beneficial for autistic wellbeing.4
The goal of neurodiversity-affirming support is not to turn your sliders down so you can tolerate more. It is to understand your desk, protect it from overload, and create more room for the experiences that light you up.
Neurodiversity-affirming ways to support your sensory system
So what helps? Not "pushing through", "toughening up" or forcing exposure to things that hurt. Affirming strategies work with your nervous system rather than against it.
Map your sensory profile. Notice which senses are turned up, which are turned down and what you seek. Keep a simple note of when you feel drained or regulated and what was happening around you. Patterns often appear quickly.
Think in sensory budgets. You only have so much capacity each day. If you know a busy event is coming, build in quieter time before and after, and trim other demands on that day without guilt.
Use sensory tools without shame. Noise-cancelling headphones or earplugs designed for noise reduction, sunglasses or a cap, soft and tagless clothing, fidget items, weighted blankets, and keeping safe snacks and water on hand are all accommodations, not indulgences.
Adjust your environment where you can. Lamps instead of overhead lights, a quieter desk position, unscented products at home, or doing your shopping at quieter times can make a noticeable difference to your daily energy. Autistic adults report using strategies like visiting at quieter times and knowing where a quiet space is.4
Build interoception check-ins. If body signals are hard to read, use external cues: an alarm to eat, a water bottle in sight, or a quick body scan at natural landmarks in your day.
Plan your recovery, not just your output. Have a go-to decompression routine after demanding environments: dark room, favourite show, shower, movement or quiet time.
Practise unmasking safely. Start with the people and places where it feels lowest risk. Letting yourself stim, wear the comfortable clothes or say "I need a break" is a skill, and it can feel strange at first. Autistic adults describe needing time alone after masking to recover.6
Communicate your needs. You are allowed to ask for reasonable adjustments at work and in relationships. Having language for your sensory needs makes this much easier.
How a psychologist can help you understand your sensory brain
Many autistic adults have spent years trying to "fix" themselves without ever being given an accurate map of how their brain works. Working with a neurodiversity-affirming psychologist can change that. Rather than treating sensory sensitivity as a problem to eliminate, we work with you to understand it, so you can navigate the hard parts and make the most of the strengths.
Support with a psychologist might include:
• Making sense of your experiences. Exploring your unique sensory profile across all eight senses, and connecting it to patterns in your energy, mood and relationships. For many people, this alone brings a huge sense of relief: "So that is why."
• Untangling sensory distress from anxiety. Understanding when what looks like anxiety is actually anticipation of overload, so you can respond to the real need.2
• Reducing the cost of masking. Gently exploring where and why you mask, what it costs you, and where you might be able to set some of that load down.
• Recovering from and preventing burnout. Building a sustainable rhythm of energy accounting, pacing and recovery.
• Self-advocacy and workplace adjustments. Finding the words to explain your needs and identifying practical adjustments that fit your life.
• Processing internalised shame. Unpacking years of being called "too sensitive" and building a kinder, more accurate relationship with yourself.
• Leaning into your strengths. Identifying the sensory joys, interests and environments that help you feel well, capable and more like yourself.
People who access this kind of support often describe feeling more confident in their own judgement, less exhausted, and better able to plan life around what their nervous system actually needs.
Could I be autistic? When sensory experiences are part of a bigger picture
Sensory sensitivity on its own does not mean someone is autistic. Many people have sensory sensitivities for other reasons. But for a lot of adults, recognising their sensory experiences is the first clue that leads them to explore autism. You might want to consider an adult autism assessment if, alongside sensory differences, you also relate to things like:
• Feeling "different" for as long as you can remember, without knowing why.
• Social interaction feeling effortful, scripted or exhausting, even when you enjoy people.
• Needing predictability, routine or time to adjust to change.
• Deep, absorbing interests that bring you energy and joy.
• Recurring burnout, or a history of anxiety or depression that has not fully made sense.
• Recognising yourself in the experiences of autistic people online or in your family.
A neurodiversity-affirming adult autism assessment is not about labelling what is "wrong" with you. It is about building an accurate understanding of how your brain works, so you can access the right support, accommodations and community.
Frequently asked questions about sensory sensitivity in autistic adults
Is sensory sensitivity a sign of autism in adults?
Sensory differences are one of the core features of autism and are included in the diagnostic criteria, and research estimates up to 90% of autistic people experience them.1 However, sensory sensitivity can also occur with anxiety, trauma, migraines and other conditions, or in people who are not neurodivergent at all. A comprehensive assessment looks at the whole picture rather than one trait.
Can you be autistic and not have sensory sensitivities?
Sensory differences are very common in autism, but they vary widely. Some autistic adults are mostly hyposensitive or sensory seeking, and many do not recognise their experiences as "sensory" until they learn about the hidden senses like interoception and proprioception.
What is the difference between sensory overload and anxiety?
They can feel very similar in the body: racing heart, tension, irritability and an urge to escape. Sensory overload is driven by too much input for your nervous system to process, and usually eases when the input is reduced. Anxiety is driven by worry or perceived threat. Many autistic adults experience both, and anxiety is often anticipation of overload. A psychologist can help you tell them apart and respond to what you actually need.
Why do my sensory sensitivities seem worse lately?
Sensory tolerance tends to drop with stress, poor sleep, illness, hormonal changes and burnout. If your sensitivities have become noticeably more intense, it can be a sign your nervous system is running low on capacity and needs more rest, support and accommodation. Increased sensory sensitivity is one of the recognised features of autistic burnout.8
How can a psychologist help with sensory sensitivity?
A neurodiversity-affirming psychologist can help you understand your sensory profile, identify triggers and regulating inputs, reduce the cost of masking, prevent and recover from burnout, develop language for self-advocacy and plan practical adjustments. The focus is on understanding and supporting your nervous system, not making you tolerate distress.
Can I get an adult autism assessment via telehealth in Australia?
Yes. The Neuro Nurture Collective offers neurodiversity-affirming adult autism assessments and therapy via telehealth, so you can access support from home anywhere in Australia, including Adelaide, Melbourne, Sydney, Brisbane, Perth, Hobart, Canberra and Darwin. Many people find this especially helpful for sensory reasons, as you can attend from a space that feels comfortable.
You are not "too sensitive": your brain is tuned for detail
If you have spent years turning down your reactions to fit in, it makes sense that you might feel tired. Your sensitivity is not a flaw to fix. It is information about what your nervous system needs, and when it is understood and supported, it can be a source of insight, creativity and joy.
At The Neuro Nurture Collective, our psychologists support late-identified and high-masking autistic and ADHDer adults. We take a neurodiversity-affirming approach to therapy and adult autism assessments, delivered via telehealth Australia-wide. We will not ask you to mask, push through or "toughen up". Instead, we collaborate with you to understand your sensory profile, reduce overwhelm, unpack internalised shame and build a life that fits the way your brain works.
If you would like to explore therapy or an adult autism assessment, you can reach us at admin@theneuronurturecollective.com or book directly through our client portal (https://clientportal.zandahealth.com/clientportal/tnnc).
References
1. Robertson, C. E., & Baron-Cohen, S. (2017). Sensory perception in autism. Nature Reviews Neuroscience, 18, 671. https://doi.org/10.1038/nrn.2017.112
2. Garfinkel, S., Tiley, C., O'Keeffe, S., Harrison, N., Seth, A., & Critchley, H. (2016). Discrepancies between dimensions of interoception in autism: Implications for emotion and anxiety. Biological Psychology, 114, 117–126. https://doi.org/10.1016/j.biopsycho.2015.12.003
3. Kinnaird, E., Stewart, C., & Tchanturia, K. (2019). Investigating alexithymia in autism: A systematic review and meta-analysis. European Psychiatry, 55, 80–89. https://doi.org/10.1016/j.eurpsy.2018.09.004
4. MacLennan, K., Woolley, C., @21andsensory, E., Heasman, B., Starns, J., George, B., & Manning, C. (2023). "It is a big spider web of things": Sensory experiences of autistic adults in public spaces. Autism in Adulthood, 5(4), 411–422. https://doi.org/10.1089/aut.2022.0024
5. Cage, E., & Troxell-Whitman, Z. (2019). Understanding the reasons, contexts and costs of camouflaging for autistic adults. Journal of Autism and Developmental Disorders, 49, 1899–1911. https://doi.org/10.1007/s10803-018-03878-x
6. Hull, L., Petrides, K. V., Allison, C., Smith, P., Baron-Cohen, S., Lai, M.-C., & Mandy, W. (2017). "Putting on my best normal": Social camouflaging in adults with autism spectrum conditions. Journal of Autism and Developmental Disorders. https://doi.org/10.1007/s10803-017-3166-5
7. Hull, L., Levy, L., Lai, M.-C., Petrides, K. V., Baron-Cohen, S., Allison, C., Smith, P., & Mandy, W. (2021). Is social camouflaging associated with anxiety and depression in autistic adults? Molecular Autism, 12, 13. https://doi.org/10.1186/s13229-021-00421-1
8. Arnold, S., Higgins, J., Weise, J., Desai, A., Pellicano, E., & Trollor, J. (2021). Investigating autistic burnout (#AutBurnout): Final report. Autism CRC. https://www.autismcrc.com.au/sites/default/files/reports/3-076RI_Autistic-Burnout_Final-report.pdf
