Teenagers are particularly sensitive to facial expressions of anger and fear and lose some of that sensitivity as they age, finds a study in the Journal of Experimental Psychology: General. Researchers tested more than 9,500 online participants, ages 10 to 85, on a...
Teenagers and young adults who take amphetamine-based stimulants to treat attention-deficit hyperactivity disorder (ADHD) are at increased risk for developing psychosis, finds a study in the New England Journal of Medicine. Researchers analyzed the health-insurance records of nearly 222,000 young people, ages 13...
The risk of developing autism spectrum disorder (ASD) is largely determined by genetics, suggests a study in JAMA Psychiatry. Researchers analyzed data from more than 2 million individuals from Denmark, Finland, Sweden, Israel, and Australia born between 1998 and 2012, of...
Children born to older parents have fewer behavioral problems than those born to younger parents, according to a study in Child Development. Researchers in the Netherlands analyzed parent and teacher reports of problem behavior from 32,892 10- to 12-year-old Dutch...
Patients in the early stages of Alzheimer’s disease may show disruptions in non-REM deep sleep, suggests a study in Science Translational Medicine. Researchers studied 119 U.S. older adults (average age 70) who were either cognitively typical or only slightly impaired. They...