Threshold Spaces as Mediators of Focus, Creativity, and Mindfulness

The modern workday unfolds across a spectrum of environments, from enclosed offices that demand focus, to open, natural spaces that invite imagination. While the ability to focus is associated with productivity, innovation hinges on creativity – yet these two cognitive states thrive under very different conditions. Indoor spaces are typically designed to limit distraction and sustain attention, whereas outdoor settings offer restoration and stimulate new ideas. Between these two realms lie threshold spaces and other transitional zones, whose role in shaping our cognitive and emotional states remains surprisingly underexplored.

Thresholds such as balconies, terraces, porches, atriums, courtyards, and even framed views through windows are more than mere connectors. They are transitional environments that offer sensory engagement, psychological relief, and spatial connection. Architectural theorists have described these threshold spaces as liminal spaces where transformation and heightened awareness occur.^1-3 In the workplace environments, thresholds play the role of cognitive mediators and can help restore attention, foster creativity, and stimulate mindfulness.

This article explores how thresholds serve as cognitive mediators, balancing the demands of focus and creativity in the workplace. It relates threshold spaces to focus, creativity, and mindfulness, by blending architectural theories and practice, conscious design principles, environmental psychology, and biophilia. By integrating evidence across these different disciplines, the article argues that thresholds can act as intentional design interventions that enhance cognitive performance, workplace health, and well-being.

Cognitive Mediation in Threshold Spaces

Cognitive mediation theory suggests that an individual’s thoughts, judgments, perceptions, and expectations facilitate behaviour.⁴ Workplace environments influence the way spaces are interpreted and perceived not only by providing a stimulus, but also via mental frameworks. Threshold spaces, by their very ambiguity, being neither fully inside nor outside (Figure 01), function as cognitive mediators. They encourage individuals to pause, reframe, and redirect mental states.

This cognitive mediation also resonates with other environmental and psychological theories. Attention Restoration Theory (ART) highlights that exposure to natural elements restores directed attention by engaging “soft fascination” and offering cognitive recovery.⁵ Berman et al suggests with empirical data that a walk in a natural setting significantly improves working memory and attention.⁶ Thresholds embody these qualities through framed views, daylight, or vegetation, offering restorative micro-moments even within dense workplace environments. Even a simple window view of nature can facilitate recovery from stress. ⁷

Biophilic design research further reinforces the importance of nature and natural elements in the vicinity for wellbeing. Integrating natural light, airflow, greenery, and sensory variation into workplace environments can help strengthen connections with nature, enhancing satisfaction and performance.⁸ Various researchers highlight how biophilic design in the workplace improves productivity, reduces stress and enhances creativity.^9-11 Furthermore, “Prospect–Refuge” theory complements this by explaining preference for spaces that balance openness with shelter.¹² Thresholds in their own forms of terraces, corridors, atriums or porches provide a sense of enclosure and safety while setting a sense of boundary. 

Architectural theory extends this understanding by conceptualising thresholds as liminal and transformative. Zimmerman¹ argues thresholds embody liminality, characterized by layering, ambiguity, discontinuation, which heighten awareness as individuals experience them.¹ Boettger describes them as spaces that shift perception through counterbalance of open and closed spatial elements.² Mukherji argues they are inherently transitive, intensifying awareness and creating conditions for change.³ Salingaros’ work on architectural theory further supports this, arguing that thresholds are active, meaningful spaces that shape human behaviour and experience.¹³ Consequently, thresholds also resonate with mindfulness theory, which defines awareness as purposeful attention to the present.¹⁴

The uncertainty and ambivalence of thresholds attracts attentiveness, while their sensory richness provides stimuli for mindful noticing. Hence, thresholds are not just byproducts of circulation but active mediating spaces that guide cognition, demand less focused attention, and stimulate creativity.

Thresholds, Focus, Creativity, and Mindfulness

Studies highlight that threshold-like environments (Figure 02) enhance both focused and creative cognition. Workers in green-certified buildings, often designed with access to daylight, fresh air, and views, report higher cognitive performance.¹⁵ Exposure to natural light and greenery enhances mental recovery, while semi-outdoor spaces stimulate divergent thinking.¹⁶ Even a small movement such as stepping into a balcony after deep work, provides a sense of relief through sensory contrast.¹¹ Moreover, brief exposure to natural light recalibrate circadian rhythms and improve alertness.^5,10

Thresholds allow for cognitive switching. In the case of fatigue, moving to thresholds provides a restorative reset to individuals. Thresholds also offer freshness and openness that spark creative inspiration. For instance, walking in a courtyard or pausing in a glazed stairwell encourages creative thinking.¹⁶ Oppezzo and Schwartz found that movement and environmental variation are linked with idea generation and can have a positive effect on divergent thinking.¹⁶ Unlike outdoor spaces that may be farther away, thresholds provide immediate, low-barrier opportunities for cognitive transitions. Zimmerman¹ on the other hand also suggests that thresholds disrupt routine and heighten awareness, fostering shifts in perception that support innovation.¹

Mindfulness emerges naturally in thresholds. Hülsheger et al showed that mindfulness at work supports emotion regulation, focus, and satisfaction.¹⁷ Shapiro et al describe mindfulness as “reperceiving”, which is a shift in perspective that allows individuals to step outside habitual patterns.¹⁸ Thresholds physically and symbolically enact this shift. By interrupting routine, they encourage mindful presence, whether through observing light patterns in an atrium or pausing to breathe in a courtyard, or taking a breather at the entrance door. 

Yu and Zellmer-Bruhn extend mindfulness to the collective scale, framing it as an organisational capacity for attentiveness and adaptability.¹⁵ Thresholds can anchor diverse cultures and traditions. For instance, terraces used for reflective meetings, atriums designed as pause points, or stairwells framed with culturally diverse artworks become shared resources for collective awareness. In this way, thresholds support not only individual well-being but also inclusivity and resilience.

Designing Thresholds for Workplaces

Threshold spaces are not secondary, but critical cognitive infrastructures in workplace environments. Their design has implications for focus, creativity, mindfulness, and organisational well-being. Designing these thresholds with care and intention, informed by architectural and environmental psychology along, conscious design principles that emphasise awareness, responsibility, and co-creation,¹⁹ and evidence-based frameworks like the WELL Building Standard²⁰ can ensure that spatial transitions actively support social, psychological and cognitive flourishing.

Design strategies for thresholds in workplaces can be organised into four interconnected categories (as seen in Figure 03) : spatial & functional design, sensory & biophilic engagement, mindfulness & well-being practices, and social, cultural & responsive dimensions. These categories provide a holistic framework for rethinking thresholds as intentional spaces promoting health, focus and creativity rather than being incidental architectural by-products.

1. Spatial & Functional Design
   Thresholds need to be embedded within the functional fabric of workplace circulation and layout. In this manner, they are encountered naturally rather than being peripheral.
   • Spatial accessibility and movement
     Thresholds can be intentionally integrated into circulation networks such that they are encountered naturally during the workday. This aligns with research showing incidental movement enhances creativity and alertness.^16,20 Terraces adjacent to common areas, or stairwells designed as open atriums with daylight, provide such opportunities. Employees can walk through these thresholds without breaking the workflow.
   • Layered and Scalable Thresholds 
     In dense urban workplaces, thresholds can be layered in the form of stacked terraces, sky gardens, or double-skin façades, which create multiple levels of semi-outdoor connections. These systems expand the restorative and creative potential of thresholds and distribute them across the building.²

2. Sensory & Biophilic Engagement
   Thresholds offer a unique opportunity to engage multiple senses and provide contact with nature even in urban settings. By combining sensory richness with biophilic qualities, thresholds reinforce restorative and mindful effects.
   • Sensory Richness and Biophilic Integration
     Effective thresholds must engage multiple senses. Daylight, airflow, rich textures, and natural elements such as plants or water features stimulate restorative and mindful responses.^8,10,11,20 Even symbolic cues like wood finishes and natural patterns evoke biophilic connections where direct access to nature is limited. 
   • Circadian and restorative support
     Thresholds should be designed with access to natural light and if possible, nature. They can hence provide moments of pause, by stepping into daylight after deep work, or taking a break by a window with a view of greenery. These moments recalibrate circadian rhythms, aid stress recovery, and improve alertness.^{5,10, 20}

3. Mindfulness & Well-being Practices
   Thresholds embody liminality, making them naturally suited to mindful awareness and restorative pause. By embedding mindful practices within these spaces, organisations can harness their potential to balance focus and creativity.
   • Mindful Practices
     Thresholds can be programmed as mindful micro-environments. Providing benches, alcoves, balconies, or terraces explicitly for short breaks encourages mindful pausing. Organisational cultures can further embed mindfulness by encouraging “micro-breaks” in thresholds, leveraging their liminal quality to support presence and reflection. ^15,17,18,20
   • Restorative and recovery spaces
     Thresholds can be designed as dedicated restorative spaces with access to natural features to support cognitive recovery and mental well-being.²⁰ The sensory and spatial differences of thresholds act as cognitive reset points. Whether stepping briefly into a courtyard or pausing in an atrium, these moments can adhere to recovery from attentional fatigue and alleviate stress. 

4. Social, Cultural and Responsive Dimensions
   Thresholds are not only individual cognitive mediators, but also collective spaces where social interaction and culture converge. Their design must acknowledge community, symbolism, and long-term responsiveness.
   • Social Interaction and Co-creation 
     Threshold spaces can be designed for fostering both individual reflection and social interaction. They can also be co-designed and co-created with their users, recognising that meaning and belonging emerge from community participation.¹⁹ Thresholds can moreover act as shared social spaces, which are found to influence knowledge exchange and quality of learnings.²¹ These shared spaces can be designed with different seating arrangements from small tables for one-on-one interaction and large tables for team meetings, or modular adjustable furniture adapting to the size of the group. 
   • Symbolic and Cultural Integration
     Thresholds also carry symbolic weight: entry porches, lobbies, and courtyards mark transitions not just in space but in organisational culture. Designing them as welcoming, mindful spaces reinforces values of openness, adaptability, and well-being. Integrating artwork in these spaces that reflect various cultures and traditions can help with creating a more inclusive and welcoming workplace.²⁰
   • Occupant Evaluation and Feedback
     Finally, thresholds should be subject to post-occupancy evaluation. Ongoing observation and re-imagination of these threshold spaces should not be considered a static process, but in turn a dynamic one. These spaces should be continuously “reimagined, redesigned, recreated and reassessed”, conscious design principles that consider evolving organisational goals and user needs.¹⁹ Such data also strengthens the case for intentional integration in workplace standards and policies.²⁰ 

Conclusion

Threshold spaces provide immense opportunity for cognitive switching, balancing focus, creativity, and mindfulness. These physical transition spaces such as balconies, terraces, atriums, porches, and visual transition spaces like framed views and glazing are often overlooked in workplace design. It is evident that thresholds are active spaces, with potential to shape how individuals focus, create, and cultivate mindfulness. By blending environmental psychology, architectural theory, and mindfulness research, thresholds can be understood as liminal infrastructures of cognition. These spaces help restore attention, stimulate creativity, and foster mindful presence.

Designing thresholds intentionally requires not only physical accessibility, sensory engagement in terms of materials and textures but also inclusive, diverse emotional, social and cultural integration. More than transitional corridors, thresholds represent opportunities for cognitive reset, mindfulness, and collective innovation. When co-created with the community and continuously ameliorated in response to their feedback, these spaces can enhance social, emotional, cognitive and psychological development. Future research should examine thresholds empirically, testing their role in creativity, mental and emotional recovery, and well-being across workplace typologies. Reframing thresholds as cognitive mediators instead of incidental architectural spaces positions them as vital components of sustainable and conscious workplaces.

References

1. Zimmerman PT. Exploring Liminal Space Through Liminal Lenses. University of Tennessee; 2012.
2. Boettger T. Threshold Spaces: Transitions in Architecture. Birkhäuser; 2014.
3. Mukherji S, ed. Thinking on Thresholds: The Poetics of Transitive Spaces. De Gruyter; 2011.
4. DeWitt DJ. The Investigation of a Cognitive-Mediation Training Program to Improve Athletic Performance. Purdue University; 1980.
5. Kaplan S. The restorative benefits of nature: Toward an integrative framework. J Environ Psychol. 1995;15(3):169-182.
6. Berman MG, Jonides J, Kaplan S. The cognitive benefits of interacting with nature. Psychol Sci. 2008;19(12):1207-1212.
7. Ulrich RS. View through a window may influence recovery from surgery. Science. 1984;224(4647):420-421.
8. Kellert SR, Heerwagen J, Mador M. Biophilic Design: The Theory, Science, and Practice of Bringing Buildings to Life. Wiley; 2008.
9. Heerwagen JH. Biophilia, biophilic design & the workplace. In: Kellert SR, Heerwagen JH, Mador ML, eds. Biophilic Design: The Theory, Science, and Practice of Bringing Buildings to Life. Wiley; 2008:51-76.
10. Nieuwenhuis M, Knight C, Postmes T, Haslam SA. The relative benefits of green versus lean office space: Three field experiments. J Exp Psychol Appl. 2014;20(3):199-214.
11. Lottrup L, Grahn P, Stigsdotter UK. Workplace greenery and perceived level of stress: Benefits of access to a green outdoor environment at the workplace. Landscape Urban Plan. 2013;110:5-11.
12. Appleton J. The Experience of Landscape. London: Wiley; 1996.
13. Salingaros NA. A theory of the threshold. Symmetry: Culture and Science. 2006;17(1-2):1-19.
14. Brown KW, Ryan RM. The benefits of being present: Mindfulness and its role in psychological well-being. J Pers Soc Psychol. 2003;84(4):822-848.
15. Yu L, Zellmer-Bruhn M. Introducing collective mindfulness to organizations. J Bus Res. 2020;116:163-174.
16. Oppezzo M, Schwartz DL. Give your ideas some legs: The positive effect of walking on creative thinking. J Exp Psychol Learn Mem Cogn. 2014;40(4):1142-1152.
17. Hülsheger UR, Alberts HJ, Feinholdt A, Lang JW. Benefits of mindfulness at work: The role of mindfulness in emotion regulation, emotional exhaustion, and job satisfaction. J Appl Psychol. 2013;98(2):310-325.
18. Shapiro SL, Carlson LE, Astin JA, Freedman B. Mechanisms of mindfulness. J Clin Psychol. 2006;62(3):373-386.
19. Patli I. Conscious Design Principles. The Conscious Centre of Design. Accessed September12, 2025 https://theccd.org/conscious-design-principles/
20. International WELL Building Institute. The WELL Building Standard v2. WELL Certified. Published 2020. Accessed August 18, 2025. https://v2.wellcertified.com/en/wellv2-2
21. Nunes, MB, Orlikowski, WJ. Learning from the physical environment. In: Knowledge, Learning and Strategic Organization. Routledge; 2015: 111-125.