To raise your children smart… Screen time should be reduced to within ○ (Research)

A traditional play should be at least 15 minutes

A child who spends a long time looking at a screen may have delayed cognitive development. [사진=게티이미지뱅크]

Children who spend less than an hour staring at the screen of electronic devices such as mobile phones, personal computers, and televisions, that is, screen time, have much better brain development than their peers who spend more time than and peers. Researchers at the University of Illinois at Urbana-Champaign (UIUC) found that two-year-olds who limited screen time to 60 minutes a day and engaged in traditional play activities of 15 minutes a day performed better than their peers who spending more screen time. than their peers

They also scored highly in memory, concentration, decision making and multitasking skills. The research team explained, “When you play outside or play with traditional toys, your brain floods with blood, which increases blood vessels and strengthens nerve cell (neuron) connections, making cognitive development easier.”

On the other hand, looking at electronics does not stimulate the brain and is known to thin the cerebral cortex, which stimulates critical thinking and reasoning. The average screen time for children in the US per day is 2 hours 30 minutes, compared to 3 hours in the UK. As homeschooling became more common due to the COVID-19 pandemic, screen time increased significantly.

The research team conducted a study on 356 children in the United States. Through parents, the children’s daily physical activity status, screen time, and diet were investigated. They also assessed memory, the ability to plan and organize thoughts, manage emotional responses, refrain from impulsive behaviour, and share tasks.

The study found that children who had screen time for less than an hour a day had better ability to recall information, control impulses, and general executive function. Children who were more physically active for at least 15 minutes a day also scored higher on memory tests.

“Infancy is a sensitive period for cognitive development and rapid brain growth, and factors such as food, exercise and screen time play an important role,” said Professor Niman Kahn (Department of Physical Epidemiology and Community Health) from the research team. “The effect of doing something on cognitive abilities appears to be evident in early childhood, particularly in behaviors related to physical activity and sedentary time.”

The American Academy of Pediatrics (AAP) guidelines recommend less than an hour of screen time per day for children between the ages of two and five. The results of this study (Adherence to screen time and physical activity guidelines are associated with executive function in US toddlers participating in the STRONG Kids 2 birth cohort study) were published in the medical journal ‘The Journal of Pediatrics’ ‘.

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