Saturday, Oct 08, 2022
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Growing Up In A City Can Harm Your Spatial Skills – New Research

According to the new research, the cities designed to ease navigation can in turn lower the spatial skill of those who grow up in them.

Representational Image
Representational Image Getty Images

The science fiction film Tron Legacy opens with voice of main character, Kevin Flynn, musing of a digital world of his creating: The Grid.

"The Grid. A digital frontier. I tried to picture clusters of information as they moved through the computer. What did they look like? Ships? Motorcycles? Were the circuits like freeways? I kept dreaming of a world I thought I’d never see. And then one day. I got in." (“The Grid” a song by Daft Punk, soundtrack to Tron Legacy).

Like computer circuit boards, many American cities are organised in a grid. People flow through them in vast numbers. In our new study published in Nature, we reveal the city grid has a legacy. Designed to ease navigation, they can in turn lower the spatial skill of those who grow up in them.

Learning to navigate is an important life skill. It allows us to be independent, adventure to new places and avoid the embarrassment of being lost. Many factors influence navigation ability. With age, we tend to navigate less successfully. In some countries, men appear to have an advantage, but we also know navigation is a skill that can be learned. It also seems to help to grow up in a country with a higher GDP.

One overlooked factor has been the environment we grow up in. For example, cities afford very different experiences in terms of navigational challenges compared to the countryside.

The ‘urban jungle’ may provide many routes to puzzle over and a dazzling array of landmarks to take stock of. By contrast, the countryside may stretch further and place a higher demand on keeping track of direction. We therefore wanted to find out whether it is better to grow up in the city or countryside for sharpening navigation skills.

To answer this question, we tested the navigation skills of over four million people via an app-based video game we developed – Sea Hero Quest. We also asked participants about their background, including whether they grew up in a city, rural environment, suburbs or a mix.

We revealed that, on average, people who grew up outside cities were better navigators than people who grew up in them. This applied whether they were from a rural environment or a suburb.

We found this was true for most of the 38 countries where we could estimate the population. The advantage for those growing up outside cities was present across the lifespan, with a slight increase in effect in later life and similar patterns in men and women.

Cities, in fact, appear to be detrimental for developing navigation skill. But why? We first considered that it might be due to more education. Education tends to improve performance on tests, and people outside cities might be more educated. Thus, differences in navigation skill might be more strongly linked to education. We found this wasn’t the case. Independently of education, cities appear to result in worse navigation skill overall.

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