Psychology & Psychiatry

Stress shrank brain area of Japan tsunami survivors: study

Emotional stress caused by last year's tsunami caused a part of some survivors' brains to shrink, according to scientists in Japan who grasped a unique chance to study the neurological effects of trauma.

Neuroscience

Finding unseen damage of traumatic brain injury

The soldier on the fringes of an explosion. The survivor of a car wreck. The football player who took yet another skull-rattling hit. Too often, only time can tell when a traumatic brain injury will leave lasting harm - there's ...

Genetics

'Gene overdose' causes extreme thinness

Scientists have discovered a genetic cause of extreme thinness for the first time, in a study published today in the journal Nature.

Neuroscience

Study: Pace of brain development still strong in late teens

Boys and girls have put many of the trappings of teenagerhood behind them by the age of 18 or 19, but at least some of the brain resculpting that characterizes the decade of adolescence may still be going as strong as ever, ...

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