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Fibromyalgia Patients Show Decreases In Gray Matter Intensity

Date:
June 18, 2009
Source:
American Pain Society
Summary:
Previous studies have shown that fibromyalgia is associated with reductions in gray matter in parts of the brain, but the exact cause is not known. Using sophisticated brain imaging techniques, researchers have found that alterations in levels of the neurotransmitter dopamine might be responsible for gray matter reductions.

Previous studies have shown that fibromyalgia is associated with reductions in gray matter in parts of the brain, but the exact cause is not known. Using sophisticated brain imaging techniques, researchers from Louisiana State University, writing in The Journal of Pain, found that alterations in levels of the neurotransmitter dopamine might be responsible for gray matter reductions.

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For the study, magnetic imaging resonance data from 30 female fibromyalgia patients were compared with 20 healthy women of the same age. The primary objective of the study was to confirm original findings about reduced gray matter density in a larger sample of fibromyalgia patients. They explored whether there is a correlation between dopamine metabolic activity and variations in the density of gray matter in specific brain regions.

Results showed there were significant gray matter reductions in the fibromyalgia patients, which supports previous research. In addition, the fibromyalgia patients showed a strong correlation of dopamine metabolism levels and gray matter density in parts of the brain in which dopamine controls neurological activity.

The authors concluded that the connection between dopamine levels and gray matter density provide novel insights to a possible mechanism that explains some of the abnormal brain morphology associated with fibromyalgia.


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The above story is based on materials provided by American Pain Society. Note: Materials may be edited for content and length.


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American Pain Society. "Fibromyalgia Patients Show Decreases In Gray Matter Intensity." ScienceDaily. ScienceDaily, 18 June 2009. <www.sciencedaily.com/releases/2009/06/090616190258.htm>.
American Pain Society. (2009, June 18). Fibromyalgia Patients Show Decreases In Gray Matter Intensity. ScienceDaily. Retrieved April 18, 2015 from www.sciencedaily.com/releases/2009/06/090616190258.htm
American Pain Society. "Fibromyalgia Patients Show Decreases In Gray Matter Intensity." ScienceDaily. www.sciencedaily.com/releases/2009/06/090616190258.htm (accessed April 18, 2015).

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