Children’s brains are altered by the time they spent on electronic devices – World News Network


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Washington DC [US], November 19 (ANI): According to a review of 23 years of neuroimaging research, time spent watching television or playing computer games has significant and long-term implications on children’s brain function, which, while exhibiting some negative effects, also shows some favourable ones.
The researchers, however, stop short of endorsing screen time limits, which they believe can lead to conflict. Instead, they advocate for legislators to assist parents in navigating the digital world by promoting programmes that promote positive brain development.
The evidence review, which was published today in the peer-reviewed journal Early Education and Development, is an examination of 33 research pieces that used neuroimaging technology to assess the influence of digital technology on the brains of children under the age of 12. There are almost 30,000 participants in all.
The study discovered that screen usage causes alterations in the pre-frontal cortex of the brain, which is the foundation of executive skills including working memory and the ability to plan or respond flexibly to situations.
It also discovers effects on the parietal lobe, which aids in the processing of touch, pressure, heat, cold, and pain; the temporal lobe, which aids in memory, hearing, and language; and the occipital lobe, which aids in the interpretation of visual information.
“It should be recognized by both educators and caregivers that children’s cognitive development may be influenced by their digital experiences,” said the study’s corresponding author, Chair Professor Hui Li, from the Faculty of Education and Human Development Faculty of Education and Human Development, at The Education University of Hong Kong.
“Limiting their screen time is an effective but confronting way, and more innovative, friendly, and practical strategies could be developed and implemented.
“Those in policymaking positions should supply suitable guidance, involvement and backing for children’s digital use.”
The research team, which as well as experts from the Education University of Hong Kong, included those from the Shanghai Normal University in China and Macquarie University in Australia, wanted to know how digital activity affected the brain’s plasticity – or malleability – during critical periods of development. It is known that visual development mostly takes place before the age of eight, while the key time for language acquisition is up to 12.
They synthesized and evaluated studies on children’s digital use and associated brain development published between January 2000 and April 2023, with the ages of participants ranging from six months upwards.
Screen-based media were the most commonly used by the participants, followed by games, virtual visual scenes, video viewing and editing, and internet or pad use.
The paper concludes that these early digital experiences are having a significant impact on the shape of children’s brains and their functioning.
This was deemed as both potentially positive and negative, but mainly more negative.
For example, negative impacts were witnessed in some studies on how screen time influences the brain function required for attention, executive control abilities, inhibitory control, cognitive processes, and functional connectivity. Other studies suggested that higher screen time is associated with lower functional connectivity in brain areas related to language and cognitive control, potentially adversely affecting cognitive development.
Some device-based research was assessed in the research pool. Tablet device users were found to have worse brain function and problem-solving tasks. Video gaming and high internet users were found, in four studies, to produce negative changes in brain areas, impacting intelligence scores and brain volume.
General “intensive media usage” was shown to potentially impact visual processing and higher cognitive function regions.
There were six studies, however, demonstrating how these digital experiences can positively impact a child’s brain functionality.
Such as, one found improved focusing and learning abilities in the frontal lobe of the brain. Meanwhile, another study suggested playing video games can increase cognitive demand, potentially enhancing children’s executive functions and cognitive skills.
Overall Chair Professor Li’s team conclude that policymakers must act on these findings to support evidence-based practice for teachers and parents.
Lead author, Dr Dandan Wu of the Education University of Hong Kong, states: “This investigation contains significant implications for practical improvement and policymaking. Foremost, it should be recognized by both educators and caregivers that children’s cognitive development may be influenced by their digital experiences. As such, they should supply suitable guidance, involvement, and backing for children’s digital use.
“It is imperative for policymakers to develop and execute policies grounded in empirical evidence to safeguard and enhance brain development in children as they navigate the digital era.
“This could involve offering resources and incentives for the creation and examination of digital interventions aimed at bolstering brain growth in children.”
A limitation of the study, the authors comment, is the lack of research reviewed, which they state maybe because this topic is “novel and emerging, and research technologies are also evolving”. Additionally, “this scoping review”, they add, “has not addressed the critical questions, such as whether it is the early digital use (for example, screen time) or the cognitive processes (i.e., learning experience) that have driven the change of brain function and structure, and whether there are different effects of digital equipment types and the mode of use.”
Therefore, the authors recommend future research should explore techniques such as longitudinal research on the impact of screens on brain functions. (ANI)

Disclaimer: This story is auto-generated from a syndicated feed of ANI; only the image & headline may have been reworked by News Services Division of World News Network Inc Ltd and Palghar News and Pune News and World News


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