Glancing at a grassy green roof significantly boosts concentration [news item]
A green grassy roof in Toronto, a city renowned for its efforts to balance nature and urban space.
The study, published in the Journal of Environmental Psychology, gave 150 students a boring, attention-sapping task. The students were asked to press a key as a series of numbers repeatedly flashed on a computer screen, unless that number was three.
They were given a 40-second break midway through the task to view a city rooftop scene. Half the group viewed a flowering meadow green roof, the other half looked out onto a bare concrete roof.
After the break, students who glanced at the greener vista made significantly less errors and demonstrated superior concentration on the second half of the task, compared to those who viewed the concrete roof.
The green roof provided a restorative experience that boosted those mental resources that control attention, researchers concluded.
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