Neuroscientists at the University of North Carolina in the United States conducted serial brain scans of middle school students aged 12-15, a period of rapid brain development. The researchers found that children who regularly viewed social media feeds around the age of 12 showed a clear sign of increased sensitivity to social rewards from their peers over time. Adolescents who were less engaged in social media showed the opposite trend, with a continued decline in interest in social rewards. The researchers acknowledge the study’s limitations and cannot assert cause and effect between social media use and brain changes. The researchers also caution that the changes could have long-term effects in adulthood.
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