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. 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. "Those in policymaking positions should supply suitable guidance, involvement and backing for children's digital use." "Limiting their screen time is an effective but confronting way, and more innovative, friendly, and practical strategies could be developed and implemented. "It should be recognized by both educators and caregivers that children's cognitive development may be influenced by their digital experiences," says 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. It also finds impacts on the parietal lobe, which helps us to process touch, pressure, heat, cold, and pain the temporal lobe, which is important for memory, hearing and language and the occipital lobe, which helps us to interpret visual information. In particular, the research finds screen time leads to changes in the pre-frontal cortex of the brain, which is the base of executive functions such as working memory and the ability to plan or to respond flexibly to situations. In total, more than 30,000 participants are included. The evidence review, published today in the peer-reviewed journal Early Education and Development, is an analysis of 33 studies which use neuroimaging technology to measure the impact of digital technology on the brains of children under the age of 12. Instead, they urge policymakers to help parents navigate the digital world by promoting programs which support positive brain development. However, the researchers stop short of advocating limits on screen time, which they say can lead to confrontation.
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