reporter: ceecee, too, has found it difficult to fully disconnect. do you still have social media accounts? i don t have instagram but i have senate chat and facebook. you almost feel like you have to have it in order to be included. reporter: eight out of ten american teens say social media makes them feel more connected to their friends lives. about a third admit to spending too much time on the apps and more than half say it would be hard to give up. the long-term effects of all this usage on teens may not be known for years. but scientists like mitch and eva at the university of north carolina chapel hill are trying to figure it out. can i play the game? uh-huh. i check my phone a lot. reporter: for three years, the professor and her team had 175 children starting from age 12 play this game once a year while inside an mri machine. we re taking pictures of their brain while they play this game. reporter: it s designed to mimic peer feedback on the social media apps. i m clicking as shapes appear.
Known for years. but scientists like mitch and eva at the university of north carolina chapel hill are trying to figure it out. can i play the game? i check my phone a lot reporter: for three years, the professor and her team had 175 children starting from age 12 play this game once a year while inside an mri machine. we re taking pictures of their brain while they play this game. reporter: it s designed to mimic peer feedback on the social media apps. i m clicking as shapes appear. the faces i m shown appear depending on how quickly i react. it s a queue for children and adolescence and smiling faces is a reward. scowling faces is a punishment. we re looking at brain activation right before they get that feedback. so, like, as you anticipate maybe getting a smile from your
The democrat agenda assigninecg a law a once in a generation in investment over billion, 200200- trillion, $200 billion. got l people got laid offai.rted e so did everything fromves to refrigerators, cell phones. all told, we ve created,000 b more than 12,000, 12,000 jobs since he took office. e. yet at the same time, a big argument for biden is that he is incapable of explaining his record and the democrat agenda. now, let me explain what i m talking abou agenda.t. democr democrats know that there are hugegadvantages to havinat a figurehead who can barely talk as their nominee because the press won barast bother asg biden any hard questions. sure, because they re biaseder. also because they know it s pointless. it s like talkiness. g to a piece ofm. styrofoam. all of us management budgets playedoffice a major role along with mitch, ron, mitch landrieu and our infrastructure coordinator. but but secretary blinken had a great trip to chinain
Risk factor have higher risks. don t take if allergic to rinvoq, as serious reactions can occur. tell your doctor if you are or may become pregnant. disrupt the itch and rash of eczema. talk to your doctor about rinvoq. learn how abbvie can help you save. local news. each guest shears a story where hi are prosecute exit vote and the person gets the right tea cups with mow in disneyland and my buddy mitch. i checked tape thanksgiving i won 3 more emmies up it 53.