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publicado em 26/08/2013 às 14h30:00
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Brain scans detect bipolar disorder with 81% accuracy

Neuroimaging techniques using blood flow to the differentiation between disorder and depression

 
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This method showed a 81% accuracy in determining which women suffer from bipolar disorder and unipolar depression which women had
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This method showed a 81% accuracy in determining which women suffer from bipolar disorder and unipolar depression which women had

Team of researchers from the University of Pittsburgh, USA found that new imaging methods that measure cerebral blood flow may help diagnose bipolar disorder in its early stages.

The results, published in the British Journal of Psychiatry, also show that the techniques can differentiate the disorder of depression.

The team analyzed 44 women for the study. Of these, 18 had bipolar disorder-I, 18 with unipolar depression and 18 served as a control group, without any form of mood disorder or depression.

Using a new imaging method called arterial spin labeling, researchers were able to measure the blood flow of the participants, in order to monitor the regions of the brain related to depression.

This new imaging method showed an accuracy of 81% in determining which women suffered from bipolar disorder and unipolar depression which women had.

Another new method was also used, called "Pattern Recognition Analysis", which allows researchers to monitor the specific differences in the brain for each individual.

"Earlier, more accurate diagnosis can make a huge difference to patients and their families, and can even save lives. This is a very promising discovery that highlights the utility of neuroimaging to help identify biomarkers associated with different conditions mental health, "says lead researcher Jorge Almeida.

Source: Isaude.net
   Palavras-chave:   Bipolar disorder    Depression    Brain scans    Neuroimaging    University of Pittsburgh   
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