Why your brain has to work harder in an open-plan office than private offices
Phys.org
February 22, 2026
AI-Generated Deep Dive Summary
The shift toward smaller office spaces since the pandemic has led to a noticeable increase in noise and busier environments in open-plan workspaces. While organizations have focused on bringing employees back to the office, there has been limited consideration of how this change impacts workers' cognitive efforts. Open-plan designs, which aim to foster collaboration, often result in higher levels of distraction and sensory overload, making it harder for individuals to concentrate and perform tasks effectively.
Research shows that constant interruptions from conversations, machinery, or even background noise can significantly impair focus and productivity. In open-plan offices, employees are more likely to experience stress responses due to the lack of personal space and control over their environment. This chronic exposure to distractions not only reduces efficiency but also contributes to mental fatigue and burnout, particularly on days when larger numbers of staff are present in the office.
The science behind this phenomenon lies in how our brains process information. In open-plan settings, the brain must work harder to filter out irrelevant stimuli, which can lead to depletion of cognitive resources over time. Studies have found that even subtle noise levels can impair memory retention and decision-making abilities, highlighting the importance of creating environments that support focus and minimize distractions.
For employees returning to hybrid work models, understanding these challenges is crucial. Open-plan offices may offer collaboration benefits, but they also come with significant drawbacks for individual productivity and well-being. Employers are increasingly recognizing the need to redesign workspaces or implement flexible policies, such as noise-canceling
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Originally published on Phys.org on 2/22/2026