Causes and Coping With Sensory Overload as an Autistic Adult

An autistic adult in a group session learning how to cope with sensory overload

At a Glance

Sensory overload in autistic adults is a neurological response to continual or overwhelming sensory input. Without the right coping mechanisms, this can trigger discomfort, anxiety and physiological changes that risk an autistic adult’s well-being. Inclusive environments and workplace accommodations go a long way in reducing the impact of sensory sensitivities.

Connect to Autism can offer practical recommendations and healthier coping strategies to manage sensory triggers more effectively. Book a free consultation to learn how a formal assessment can help.

Why Sensory Overload in Autistic Adults Shouldn’t Be Ignored

Growing up, autistic individuals often experience a form of distress at the sight of bright lights, loud noises or strong smells without quite knowing why. When this happens, they feel the urge to escape or shut down due to the discomfort. Sensory overload in autistic adults should be taken seriously, as it can easily place them in a fight or flight response, triggering anxiety and impacting their physical and psychological well-being.

For this reason, it’s crucial to understand the environmental triggers for sensory overload in autistic adults. This can help individuals with autism self-advocate more effectively while ensuring that work and home environments accommodate their needs. Most importantly, this can change how sensory sensitivities in autism are viewed and shift the narrative from a place of weakness or lack of resilience to a sense of validation.

In this article, we discuss sensory overload in autistic adults and how formal assessments can provide practical coping strategies to reduce its impact.

What Is Sensory Overload?

The brain is designed to receive information continually, and for neurotypical individuals, this is hardly a challenge, as their brains are wired for it. However, for neurodivergent adults, they can find this stressful, as a surge of information makes it difficult for them to interpret or prioritise it correctly.

Sensory overload can be summed up as a neurological traffic jam of sorts that can trigger physiological effects. This may include a heightened sense of distress, anxiety, nausea, and headaches. 

For many autistic adults, the urge to escape or shut down is rather strong when this happens and is a coping mechanism they use to survive. For others, masking the discomfort of such sensory overload is an acquired skill through repeated experience.

Common Causes and Triggers

Sensory sensitivities in autism can be triggered due to a variety of factors, and individual experiences are highly subjective. While there’s no one common cause that can be attributed to sensory overload in autistic adults, there are some environmental triggers worth keeping in mind.

  • Repetitive loud sounds or high-pitched noises
  • Certain textures
  • Specific smells
  • Cluttered environments
  • Prolonged information input
  • Sudden weather changes, extreme heat or cold
  • Crowded spaces
  • Multiple conversations are happening at the same time
  • Distracting background noises
  • Flickering, bright or neon lights

Signs and Symptoms

Autistic adults have learned to mask and camouflage their distress from a young age. They use this same technique to manage sensory sensitivities, many of which are internalised and hardly show up externally. However, if you pay close attention, you’ll notice some tell-tale signs that an autistic adult is experiencing a sensory overload.

This includes behaviours such as stimming, squinting, or covering their ears to self-regulate. Emotional irritability and a sudden urge to leave a room or environment can also signal that the person is experiencing distress due to sensory sensitivity. 

A sudden loss of verbal ability, an increased heart rate, and symptoms of a panic attack with shallow breathing are all signs of sensory overload. At Connect to Autism, Anne Marie helps individuals with autism by providing practical recommendations and effective coping strategies to make daily life easier. Book a free 30-minute consultation to explore how a formal assessment can help you.

How Sensory Overload Affects Daily Adult Life 

Neurotypical environments can trigger sensory overload in autistic adults and become a barrier to success in personal and professional environments. The constant effort expended in coping with these triggers in daily life can lead to autistic burnout.

While this can be misinterpreted as poor social skills or a lack of focus, the truth is that the environmental triggers for sensory overload in autistic adults can cause chronic fatigue. If not managed correctly, it can also lead to secondary anxiety disorders, trigger self-isolation and other unhealthy coping mechanisms.

For individuals with autism, sensory sensitivities can hamper daily living experiences as they find themselves struggling to go out for routine activities. Even simple chores like shopping for groceries or taking a pet out for a walk can feel triggering. 

Coping Strategies 

Sensory overload in autistic adults may not always appear with an outward manifestation. Sometimes recognising the signs and symptoms ahead of time helps minimise their effects and gives space and time to recover. For instance, exiting a room or space with loud noises or bright lights is a safe coping strategy. Here, an autistic adult must permit themselves to leave such an environment for their own sanity and peace.

Clinicians like Anne Marie at Connect to Autism recommend maintaining a low-sensory environment at home. This can serve as a personal space for autistic adults to rest after a high-stimulus day and help reset their nervous systems.

This should also be implemented in the workplace through reasonable workplace accommodations, like a low-traffic, low-light workspace. It’ll help autistic adults focus better at work, minimising the likelihood of sensory overload.

Want to Better Understand Sensory Sensitivities in Autism? Contact Connect to Autism

If you think you might be autistic or know someone who could be, you’re not alone. Getting a formal autism assessment can help you manage sensory overload as an autistic adult.

Connect to Autism provides online autism assessments and ADHD screening assessments for adults aged 16 and over. The service is led by Anne Marie Gallagher, a Speech and Language Therapist with over 25 years of experience in autism diagnosis and assessments.

Our professional autism assessments include comprehensive evaluations and detailed reports to help you better understand yourself and develop tailored strategies for your emotional and psychological well-being. 

To learn more, book a free 30-minute consultation today.

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