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U of MN researchers discover noninvasive diagnostic tool for brain diseases
Date:8/22/2007

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All behavior and cognition in the brain involves networks of nerves continuously interactingthese interactions occur on a millisecond by millisecond basis. The MEG has 248 sensors that record the interactions in the brain on a millisecond by millisecond basis, much faster than current methods of evaluation such as the functional magnetic resonance imaging (fMRI), which takes seconds to record. The measurements they recorded represent the workings of tens of thousands of brain cells.

Georgopoulos and his team were inspired to try to use the MEG as a diagnostic tool after discovering that neural interactions across human subjects were very similar. The team published on this novel way to assess the dynamic interactions of brain networks acting in synchrony in a 2006 issue of the Proceedings of the National Academy of Sciences. Now the team will continue to collect more data on the six disease groups, as well as begin to analyze research subjects with other brain diseases, including depression, post-traumatic stress disorder, autism, and Parkinsons disease, to see if the same technique can be applied.


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Contact: Sara E. Buss
buss@umn.edu
612-626-7037
University of Minnesota
Source:Eurekalert

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