Video Game Brains
Violent video games can affect brain activity well after the games are over.
CHANGING BRAINS - Why London taxi drivers have bigger brains, how eye movements reveal what we've really seen, and why emulating the eye movements of experts produces better surgeons. And, what long-dead brains can tell us about mental illness. Also: how violent video games could be changing young men's brains.
The brains of would-be London taxi drivers get bigger during their multi-year training for the job.
Researchers hope to stave off depression by training kids to gravitate toward positive images.
Paper wasps, which can recognize each other, seem to process faces in ways similar to humans.
REM sleep, in which dreams occur, also may help take the edge off painful memories.
THE BRAIN, MOOD & BEHAVIOR - Could dreaming help heal emotional wounds? The relationship between the placebo effect and chronic pain. New research into the genetics of empathy. Also: a computer program to help prevent depression in girls, and exploring sex differences in mood disorders.
People tend to underestimate numbers when they lean to the left, and overestimate them when they lean to the right.
Researchers are studying how female and male rats respond differently to stress in order to shed light on why women are disproportionately affected by mood disorders.
Contrary to expectations, some teenagers' IQ scores changed significantly over a four-year period.
SCIENCE UNDERWATER - Why the seas of the future may belong to jellyfish, why fish tanks can be breeding grounds for aggression, how chatter between ocean bacteria contributes to climate change, and good news about sea turtles. Also, scientists unveil the first underwater cloaking device.
PREVENTIVE HEALTH - Vitamin D and ethnicity, a breath test for toxins, drinking and the immune system, measuring pain in the brain, and a new weapon to combat allergic reactions.
An update on a landmark experiment probes the neurological roots of delayed gratification.
A computer algorithm partially reconstructs movies from patterns of brain activity in people watching them.
HORMONES & BEHAVIOR - Testosterone and fatherhood, the genetics of oxytocin and depression, gender and spatial reasoning revisited, where taste is found in the brain, and more.
Computer scientists used football footage to develop a sophisticated kind of artificial intelligence.
Rats are supposed to be afraid of cats, but a tiny pathogen has turned the relationship around for its own benefit.