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Quick brackdrop. this was ongoing before the pandemic. they were looking at adolescent brains before the pandemic scanning these kids every couple years when the pandemic happened they continued the study. so now they have scans before the pandemic and then at least a year into the pandemic. and let me show you quickly, if i can, a few things that really jumped out in this study. one is there was sort of a thinning of the cortex, this area of the brain, think of that as like the bark on a tree, the outermost layers. this area often responsible for executive reasoning and judgment, those areas ...

Hijacking our natural reward system. changing sensitivity to neurotransmiters like don't mean. it is implanted causing changes in two different brain regions. he said that stimulating this area can normalize, essentially rebooting the reward system. >> the other stimulation is basically trying to decrease impulseivity by adding more frontal lobe activity. better judgment, better executive reasoning. >> better decision making. that part also with addiction is less active. >> it would take weeks or months to see if the improvement would stick. first, his life now involves taking the medication t...

Razai drilled a hole in jared's skull and then worked in a tiny piece of wire and started stimulating deep in jared's brain. addiction causes physical changes in the brain, hijacking our national reward system, changing neurotransmitters like d dopamine. razai said by stimulating this area, it can normalize the dopamine response, essentially reb rebooting the reward system. >> the other reward system is decreasing simplicity by better judgment, executive reasoning, things like that. >> that are decision making, because that part also with addiction is less active. >> reporter: it would take we...