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Detecting Subtle Brain Injuries - New imaging methods may help distinguish brain damage from psychiatric disorders

A message from Clymer.."CC"..Conrad Clyburn to all members of Traumatic Brain Injury - TBI on MedTechIQ!

As reported in MIT Tech Review...Researchers have shown that three novel imaging techniques can detect mild brain damage not visible using traditional methods. The findings will help scientists better define the type of damage that can lead to long-lasting memory and emotional problems, as well as help identify those who are most vulnerable to further trauma.

Such tools are of great interest to the military, which needs ways to distinguish traumatic brain injury from post-traumatic stress disorder. Both are common in veterans returning from Iraq and Afghanistan, and they have similar symptoms, but they require different types of treatment.

One of the most promising techniques for detecting subtle brain injury, called diffusion tensor imaging (DTI), is a variation of MRI that tracks water molecules in the brain's white matter. A second variation of MRI, known as magnetic resonance spectroscopic imaging (MRSI), can analyze the spectral frequencies of chemicals in the body. A third is magnetoencephalography (MEG), which measures the magnetic fields produced by the electrical activity of nerve cells.

Read on: http://www.technologyreview.com/biomedicine/21681/?nlid=1517

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