Inclusive Design: Shining Light on Invisible Disabilities

by Amy Shoemaker | EDAC | Senior Designer

“Just because you can’t see it, doesn’t mean it isn’t there.” – Hidden Disabilities Sunflower

As a parent of a child with invisible disabilities—Autism and ADHD—navigating the world often feels like a minefield. Every outing is layered with unpredictability. How will my son respond to the environment? Is it too noisy? Too bright? Too crowded? Even a seemingly simple task like using a public restroom becomes daunting when you factor in glaring lights, long waits, and the sudden blast of an air dryer.

For families like mine, interior spaces are full of sensory landmines. Large open areas, long lines, and chaotic environments can trigger anxiety, sensory overload, or even elopement. While most people may walk through these spaces without a second thought, for individuals with hidden disabilities, these same environments can be overwhelming or even inaccessible.

In the past 30 years, we’ve seen important strides in accessibility thanks to the Americans with Disabilities Act (ADA). These guidelines have shaped how buildings are designed, offering vital support for people with physical disabilities. But is this enough?

A design instructor once told me, “Designing to code means doing just enough to get by.” And that’s the issue—we’re meeting the minimum standard, not designing with true inclusion in mind.

ADA regulations primarily address physical or visible disabilities, often overlooking those that can’t be seen. Hidden disabilities—including neurological and cognitive conditions (like Autism or Dementia), sensory processing disorders, visual and auditory impairments, and chronic conditions such as diabetes or asthma—require a different approach to accessibility.

According to the 2024 U.S. Census, 28.7% of Americans live with some type of disability, and 13.9% have a cognitive impairment. These conditions affect thinking, learning, memory, focus, and how individuals interact with their environments. Yet, most of our design frameworks still prioritize mobility over mental and sensory accessibility.

This gap presents an opportunity—and responsibility—for designers. We can create environments that are not only functional but empathetic. By embracing universal design principles and going beyond basic code, we can craft spaces that adapt to a wider range of needs.

While the term “sensory-friendly” may suggest stripping away stimuli entirely, the goal isn’t to eliminate sensation—it’s to offer control and choice. Dimmable lighting, sensory toolkits (including noise-canceling headphones or fidget items), clear wayfinding, and buffer zones between loud and quiet areas all contribute to a more inclusive experience.

After all, everyone’s sensory baseline is different. “Normal” is rarely universal.

Good design is layered, adaptable, and human-centered. By considering lighting, sound, texture, and even scent as variables—not constants—we can build environments that not only welcome everyone but affirm their place within them.

The same space, two different experiences—while a crowded museum can overwhelm the senses, a calm gallery with noise-reducing headphones offers a thoughtful, inclusive alternative for visitors with sensory sensitivities.

 

Scents can guide us just as much as signs—fragrant flowers, herbal plantings, or even the smell of brewing coffee can become powerful olfactory landmarks, helping individuals intuitively navigate a space through memory and sensory cues.

 

Designed with inclusivity in mind, this sensory room offers calming textures, muted lighting, and quiet nooks—empowering individuals with hidden disabilities to self-regulate and engage on their own terms.

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