For many patients, healthcare environments conjure associations with stress: harsh fluorescent lighting, hard surfaces, and a sense of sterility formerly pervaded these spaces, often reinforcing feelings of anxiety. But a growing movement within the design community is helping to redefine clinical interiors, utilizing evidence-based design practices to reshape expectations, transforming these spaces into places that nurture patients, enhance agency, and positively impact emotional well-being.
Evidence-based design (EDB) is rooted in one simple but exceedingly powerful question: How does experiencing the built environment influence patient outcomes? Instead of relying on intuition alone, EDB draws on a range of sources, from peer-reviewed research to behavioral studies and patient experience data, to guide decision making. From materials and layout to lighting, acoustics, and sensory considerations, this approach recognizes patients as individual entities with diverse needs and preferences, using research-backed insights to incorporate elements with a proven track record of ameliorating patient health.
Supporting Individual Autonomy
The move toward customization has been one of the most meaningful shifts to emerge in patient-centered interiors over the last decade. Studies consistently show that increased perception of control over one’s surroundings can reduce stress, support emotional regulation, and improve satisfaction for users in medical spaces. Designers are leveraging these findings into intentional elements within patient rooms that offer simple, intuitive ways to adjust the environment.
Movable furniture allows patients to reorient their space as needed, whether for conversation, rest, or more privacy. Dimmable lighting serves to manage light exposure throughout the day, offering the ability to create more relaxed settings during longer stays. Even small details like the ability to reposition personal items, or a choice between multiple types of seating if space permits, can contribute to a greater sense of autonomy at the moments where patients feel the most vulnerable.
While these features might seem subtle, they reflect a broader shift towards the psychological as a cornerstone of patient-centered care. With the ability to tailor environments at will, patients begin to feel less like their spaces are a clinical background and more like an extension of their needs.
Designing for Inclusivity and Neurodiversity
Another key factor of the EBD approach is the understanding that not all patients interact with their environments in the same way. For neurodiverse individuals who might experience hypersensitivity to sound, light, or specific textures, traditional healthcare settings can feel overwhelming. Evidence-based strategies provide a more direct avenue for designers hoping to account for and anticipate these sensory differences.
Practically, materials with acoustic dampening properties can help to mitigate background noise, which provides particular benefits in areas like emergency departments and waiting rooms that can often be overly stimulating. Adjustable lighting and spaces that are clearly zoned can also help individuals regulate the inputs to their senses. Quiet rooms and dedicated low-stimulation areas also provide spaces of respite for patients who need a moment to destress and recalibrate during visits.
Inclusivity today also extends beyond the physical, extending to emotional accessibility as well. Clear wayfinding, spatial organization, and seating arrangements help to accommodate a wider range of mobility, ensuring that patients navigate these spaces with confidence. The thoughtful implementation of these elements provides a welcoming experience that signals respect and safety psychologically to meaningfully impact the patient journey.
The Calming Power of Biomimicry
The ability of nature to enhance feelings of calm and connection in humans is also well-documented, and EBD relies on this research in its deployment of biomimicry: applying nature-inspired forms, textures, and patterns into built spaces. Instead of overly literal representations like murals or landscapes (though these do have the potential to enhance care), these elements utilize organic geometry, natural color palettes, and subtle material choices to create an underlying sense of familiarity and comfort.
This can take several forms. For instance, implementing soft greens and earth tones help to reduce visual contrast, which can in turn reduce stress. Repeated geometric patterns that mimic shapes found in nature have similarly been shown to lower heart rates and ease cognitive strain. Taken to its logical extreme, even layouts can take inspiration from the outdoors: curved circulation paths with moments of refuge mirror the way people instinctively seek out moments of respite in outdoor settings.
Working holistically, these elements ground environments to create restorative, supportive spaces tailored to better support physical and emotional healing.
An Evidence-Backed, Human-Centered Future for Healthcare Interiors
When examining the impact of interior and architectural design on patients, increased communication is one of the most desired byproducts. Patients who are more at ease are not only more likely to ask questions, but also to voice concerns, advocate for themselves where necessary, and participate in shared decision-making. EBD helps break down barriers that typically inhibit this more personal engagement.
Evidence-based practices and associated strategies mark a final shift away from impersonal, one-size-fits-all healthcare environments. With individual feelings and emotions inextricably linked to the environments we inhabit, healthcare professionals and designers are fully embracing an approach characterized by research, empathy, and an understanding of the full spectrum of human needs. In the future, as the design community continues to integrate EBD strategies, the future of healthcare spaces is certain to be more inclusive, intuitive, and human.
Image Source: ID 28624334 | Hospital Interior ©
Kadirlookatme | Dreamstime.com

Alexandra Bonner
Alexandra Bonner, NCIDQ, CHID, IIDA, is an Associate, Project Interior Designer at FCA.






