Tag Archives: Brain Shrink

Emotional Stress Causes Brain Shrinkage After Japan Tsunami

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

On a quest to better understand post-traumatic stress disorder, the researchers compared brain scans they had taken of 42 healthy adolescents in other studies in the two years before the killer wave with new images taken three to four months thereafter.

Among those with PTSD symptoms, they found a shrinking in the orbitofrontal cortex, a part of the brain involved in decision-making and the regulation of emotion, said a study published yesterday in Molecular Psychiatry.

Read the rest of the story: Brains melting down after Japan tsunami.