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Less screen time associated with better cognition in children: study




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Two Caucasian brothers, 13 and 9, play hand electronics, indoors on blue wall and look down in profile, candid

A new study on children across the country The United States, which was published in The Lancet Child & Adolescent Health found that when they spend more than two hours a day on screens, in tests of perception, they are in a poorer state of shock Research in recent years ̵

1; and many anecdotal evidence – but it's nice to have more confirmation in the form of research results.

The study by researchers at the Children's Hospital of the Eastern Ontario Research Institute, looked at data from 4,500 children ages 8 to 11 years at 20 sites in the US Parents answered questions about their usual screen usage, their sleep and physical activity, and conducted a cognitive test h, at which executive function, attention, working memory were measured, episodic memory, language and processing speed.

Not many of the children complied with current recommendations for screen time (two hours or less per day), sleep (9-11 hours / night), or physical activity (60 minutes / day). Only half of them got the recommended amount of sleep, 37% met the recommendations on screen time and 18% met the training recommendation. Nearly 30% have not met; 5% met all three. The average screen time per day was 3.6 hours. Interestingly, the meeting showed only the recommendation for physical activity, but not the other two (ie children who received the recommended amount of exercise, but no screen time or sleep) did not associate with cognition – which is strange since Exercise is commonly known to benefit knowledge. It is possible that even when a child is exercising, spending too much time on the screens and not sleeping enough, it may override the benefits of physical activity.

In fact only the on-screen time recommendation (less than two hours) was associated with higher scores in the cognitive tests. It was better to meet both the screen time and the sleep recommendations – this combination had the strongest correlation with cognitive function.

The authors sought to consider variables that could influence outcomes, such as parenting, household income, ethnicity, body mass index, and other factors. But it is possible that other interactions take place, and finally the study is only a correlation. Another limitation is that the data was collected only at the beginning of the study, not over time.

But there is some logic in the idea that screen time could affect perception. The author of an accompanying editorial, Eduardo Esteban Bustamante of the University of Illinois, puts it in a nutshell: "Any minute spent on screens necessarily shifts one minute of sleep or cognitively challenging activities." That seems pretty logical. And he adds that the recovery of stress, or lack thereof, could further explain the connection.

"Through a stress-adjusting lens," he writes, "the strong associations between global perception and the fulfillment of [the authors] may reflect the disruption of the stress-recovery cycle necessary for the growth of children receiving the Recommendation does not match. "

He adds that adults streamline screen time and say it's educational or enriching. "But it's probably not enough to justify the time most kids spend with it." As Bustamante says, "It's tempting to comfort the findings that cognitively challenging on-screen activities may benefit the perceptions of children already consistently and predictably choose more stimulating screen activity than less stimulating screen activity. "

Other studies in recent years point to a consistent link between boulders and boulders and time and mental health issues, including depression and suicidality – which is a unique but potentially related connection – some of the developers of apps and social media Sites have lately expressed their regrets about what they have created and even forbidden their own children from using them.

There is probably a complex interaction between screen time, mental and social health, physical activity, and cognition While science is still thinking about it, go on with what research has said so far – and what your gut is saying about what screen time could do for the developing brains of children.

19659015] Two Caucasian brothers, 13 and 9, are playing hand electronics, indoors on blue wall and looking down in profile Open

A recent study of children in the US, published in The Lancet Child & Adolescent Health notes that when they spend more than two hours a day on screens, they cognitively test worse off. This may not be a complete shock given the research in recent years. and many anecdotal evidence – but it's nice to have more confirmation in the form of research.

Eastern Ontario Research Institute's Children's Hospital Study Researches Data from 4,500 Children, ages 8-11, from Twenty Sites Across the United States Their parents answered questions about their usual screen usage, sleep, and physical activity, and completed one cognitive test in which executive functions, attention, working memory, episodic memory, language, etc. were measured Processing Speed ​​

Not many of the children complied with the current recommendations for screen time (two hours or less per day), sleep (9-11 hours / Night) or physical activity (60 minutes / day). Only half of them got the recommended amount of sleep, 37% met the recommendations on screen time and 18% met the training recommendation. Nearly 30% have not met; 5% met all three. The average screen time per day was 3.6 hours. Interestingly, the meeting showed only the recommendation for physical activity, but not the other two (ie, children, the recommended amount of exercise, but no screen time or sleep), no association with cognition – which is strange since exercise is well known is to benefit from cognition. It is possible that even when a child is exercising, spending too much time on the screens and not sleeping enough, it may override the benefits of physical activity.

In fact only the on-screen time recommendation (less than two hours) was associated with higher scores in the cognitive tests. It was even better to meet both the on-screen time and sleep recommendations – this combination had the strongest correlation with cognitive function.

The authors sought to consider variables that could influence outcomes, such as parenting, household income, ethnicity, body mass index, and other factors. But it is possible that other interactions take place, and finally the study is only a correlation. Another limitation is that the data was collected only at the beginning of the study, not over time.

But there is some logic in the idea that screen time could affect perception. The author of an accompanying editorial, Eduardo Esteban Bustamante of the University of Illinois, puts it in a nutshell: "Any minute spent on screens necessarily shifts one minute of sleep or cognitively challenging activities." That seems pretty logical. And he adds that the recovery of stress, or lack thereof, could further explain the connection.

"Through a stress-adjusting lens," he writes, "the strong associations between global perception and the fulfillment of [the authors] may reflect the disruption of the stress-recovery cycle necessary for the growth of children receiving the Recommendation does not match. "

He adds that adults streamline screen time and say it's educational or enriching. "But it's probably not enough to justify the time most kids spend with it." As Bustamante says, "It's tempting to comfort the findings that cognitively challenging on-screen activities may benefit the perceptions of children already consistently and predictably choose more stimulating screen activity than less stimulating screen activity. "

Other studies in recent years point to a consistent link between boulders and boulders and time and mental health issues, including depression and suicidality – which is a unique but potentially related connection – some of the developers of apps and social media Sites have lately expressed their regrets about what they have created and even forbidden their own children from using them.

There is probably a complex interaction between screen time, mental and social health, physical activity, and cognition While science is still thinking about it, go on with what research has said so far – and what your gut says about what screen time could do for children's developing brains.


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