Our brains are overstimulated, and cities aren’t helping
You are standing at a crosswalk. The light is red. A bus roars past you a little too closely. Your phone buzzes with a BOGO offer from Starbucks. A billboard changes from a perfume ad to a phone number of a personal injury law firm. Someone is talking about their cheating ex-boyfriend beside you. The walk signal starts flashing. You step forward, but a pickup truck next to you is already inching…
In bustling cities, we often find ourselves overstimulated, struggling to concentrate amid a barrage of visual and auditory distractions. Rather than attributing our diminished focus to personal weakness, we must acknowledge that city design plays a significant role in this cognitive strain.
Neuroscience reveals attention relies on limited-capacity cognitive systems, constantly deciding which information merits priority while filtering out competing stimuli. In this context, attention becomes a precious resource, demanding careful management from the environments we inhabit.
Public infrastructure inadvertently amplifies cognitive demands by actively engaging citizens, regardless of the potential consequences. While urban environments offer numerous benefits—social, educational, and recreational—excessive stimulation can compromise our mental well-being.
Urban planners and policymakers have the opportunity to enhance public health and cognitive function by addressing the cognitive demands imposed on residents. Measures such as limiting digital advertising in crowded spaces, expanding quiet areas, planting trees, and creating sensory relief zones could mitigate the negative impact of urban environments on our attention.
São Paulo's Clean City Law provides a tangible example of how cities can take action. Enacted in 2007, this Brazilian ordinance banned outdoor advertising, leading to the removal of over 15,000 billboards and restrictions on numerous business signs. The law successfully reduced visual clutter while allowing controlled advertising forms, demonstrating that cities can regulate commercial messages in shared public spaces.
Beyond reducing visual distractions, cities can address light pollution through outdoor lighting codes. Pittsburgh's Dark Sky Ordinance, implemented in partnership with dark sky experts, employs shielding, dimmers, and warmer lighting in city parks, facilities, and streetlights. This initiative mitigates unnecessary light distraction while reducing energy waste.
Cities can also simplify the decisions people must make daily. Banning right turns at red lights in dense urban areas, as implemented in Cambridge, Massachusetts, can alleviate the mental burden of interpreting traffic signals. Such interventions, along with the creation of slow streets and pedestrian-only zones, reduce cognitive demands and enhance pedestrian safety.
Barcelona's Superblocks exemplify a more radical approach to reclaiming streets for people over cars. While the implementation has faced political challenges, the transformative potential of such designs cannot be dismissed. Protecting human attention does not necessitate a quiet, empty city; instead, it demands thoughtful design choices that consider cognitive demands without sacrificing livability.
Ultimately, cities must recognize the limited nature of attention and the responsibility they bear in safeguarding this vital resource. By asking whether our infrastructure exhausts or supports cognitive function, cities can strive to create environments that protect and restore attentional functioning. As we continue to design our cities, let us ensure that they offer mental respite alongside physical accessibility, ensuring that our brains can thrive amidst the urban landscape.
Written by urgent.news from Fast Company's reporting — not their text. Machine-written — may contain errors; check the original before relying on it.