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August 29, 2007

Study finds emotional trauma can alter size of a child's brain

Jill Tucker:

Hoping to unlock some of the mysteries of post-traumatic stress disorder in children, a Stanford University researcher looked inside their heads.

What Dr. Victor Carrion found was startling: Children with PTSD and exposure to severe trauma had smaller brains.

Carrion found a nearly 9 percent reduction in the size of the hippocampus, a horseshoe-shaped sheet of neurons that deals with memory and emotions.

The study, released earlier this year, was just a first step toward understanding the physical effects of trauma and why some children have a greater ability to ward off physical and mental reactions.

Posted by Jim Zellmer at August 29, 2007 12:00 AM
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