Researchers have discovered a key neural circuit responsible for sexual rejection, identifying a group of brain cells that play a critical role in whether a female accepts or rejects mating attempts, depending on her reproductive cycle.
Preschoolers who have difficulty controlling their emotions and behavior show more symptoms of attention deficit hyperactivity disorder (ADHD) at age seven, a new study suggests.
"Some people are clearly better than others at segmenting events into meaningful chunks," Smith said. "Can we improve that ability, and will that lead to better memory? Those are questions we're still trying to answer."
Internet use may be associated with higher levels of life satisfaction, better health and fewer symptoms of depression among adults over 50 in 23 countries.
