Study: Covid-19 pandemic prematurely aged teens' brains
Scientists continue to discover fallout from having COVID-19, including prematurely aging teenagers' brains.The past few years have been rough on students. They’ve endured online schooling, social isolation, family hardships and news of a mounting global death toll. For teens, the virus and its many social side effects arrived during a crucial window in their brain’s maturation.
Beatriz Luna did not take part in the new study. But as a developmental neuroscientist, she’s familiar with this period of brain changes. Luna works at the University of Pittsburgh in Pennsylvania. She says the new study did not link the brain changes it found to poor mental health during the pandemic. But, she adds, “We know there is a relationship between adversity and the brain.” Our mind will try “to adapt to what it’s been given,” she notes.
The researchers looked at differences in 64 scans from each group. Those groups had about the same mix of boys and girls. The average age was around 16.Adolescent brains undergo a remodeling process as kids mature into adults. Part of this remodeling thickens two brain regions. One is the hippocampus. It’s involved in memory and concentration. The other, the amygdala, regulates how we process emotions. At the same time, the outer layer of the brain gets thinner.
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