Recent social media lawsuits have addressed concerns about mental health. But what about its cognitive effects?A few years ago, when I’d just started graduate work, I was waiting with a grandmother finishing a questionnaire I’d handed her about her 19-year-old granddaughter who was in the testin g room next door. They were participating in a study that used brain imaging to look at adolescent development. The older woman had a soft southern accent and a warm laugh.“What’s funny?” I asked. Continue reading... ...read more read less