Researchers say it takes a lot of brainpower to stop an action, once it's underway. A study found that when people have to change a planned movement, 11 different brain areas have to get involved.
A comparison of brain tissue from monkeys, chimps and humans suggests that our brains produce the chemical messenger dopamine, which plays a major role in pleasure and rewards, far differently.
Acts of altruism — like saving swimmers caught in a riptide from drowning or donating a kidney to a stranger — are among the thorniest puzzles of human nature, says guest blogger Abigail Marsh.
People can't simulate realistic, internal sensations, like temperature change or pain — which is a reason why more people aren't terrified by climate change, says guest blogger Lisa Feldman Barrett.
When temperatures soar, there's nothing like a frozen treat to take off the edge. But if we dive in too fast, our brains are thrown for a distressing and sometimes painful loop. Here's why.
When we see a familiar face, we know instantly if we can remember that person's name. That's because the human brain has an ability called metamemory. Looks like rats may have that higher power, too.
NIH Director Francis Collins and Renée Fleming, who is Artistic Advisor at Large for the Kennedy Center in Washington, D.C., discuss music and medicine. They also sing a duet.
Sometime between grade school and grad school, the brain's information highways get remapped in a way that dramatically reins in impulsive behavior.