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Excessive smartphone use has no role to play in cognitive health: Study

Published on:4 July 2021, 10:00am IST
A new research suggests there is no scientific evidence that shows smartphones and digital technology harm our biological cognitive abilities. Instead, it functions as an auxiliary, serving as tools that are good at memorization, calculation and storing information.
ANI
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smartphone and brain
Too much screen time might not make you dumb but it can have an impact on your eyes. Image courtesy: Shutterstock
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According to a new University of Cincinnati research by social/behavioural expert Anthony Chemero, while there are plenty of negatives associated with smart technology, there is also a positive side to it.

“Despite the headlines, there is no scientific evidence that shows that smartphones and digital technology harm our biological cognitive abilities,” says the UC professor of philosophy and psychology who recently co-authored a paper stating such in Nature Human Behaviour.

Here’s what the study has to say

In the paper, Chemero and colleagues at the University of Toronto’s Rotman School of Management expound on the evolution of the digital age, explaining how smart technology supplements thinking, thus helping us to excel.

smartphone and mental health
Staying glued to your smartphone is a kind of addiction called Nomophobia. Image courtesy: Shutterstock.

“What smartphones and digital technology seem to do instead is to change the ways in which we engage our biological cognitive abilities,” Chemero says, adding “these changes are actually cognitively beneficial.”

For example, he says, your smartphone knows the way to the baseball stadium so that you don’t have to dig out a map or ask for directions, which frees up brain energy to think about something else. The same holds true in a professional setting: “We’re not solving complex mathematical problems with pen and paper or memorizing phone numbers in 2021.”

Computers, tablets and smartphones, he says, function as an auxiliary, serving as tools that are good at memorization, calculation and storing information and presenting information when you need it.

Usage of too much smartphone can impact your eyes though

Additionally, smart technology augments decision-making skills that we would be hard-pressed to accomplish on our own, says the paper’s lead author Lorenzo Cecutti, a PhD candidate at the University of Toronto.

smartphone and mental health
Give your eyes a break. Image courtesy: Shutterstock

Using GPS technology on our phones, he says, can not only help us get there but lets us choose a route based on traffic conditions. “That would be a challenging task when driving round in a new city.”

Chemero adds: “You put all this technology) together with a naked human brain and you get something that’s smarter…and the result is that we, supplemented by our technology, are actually capable of accomplishing much more complex tasks than we could with our un-supplemented biological abilities.”

While there may be other consequences to smart technology, “making us stupid is not one of them,” says Chemero.