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Brain activity separates CFS from depression, healthy controls

Wednesday 13 July 2011's Adrienne Dellwo reports:


BrainBrain Activity Separates Chronic Fatigue Syndrome From Depression, Healthy Controls

By Adrienne Dellwo, Guide
July 5, 2011

New research shows that brain activity is significantly different between people with chronic fatigue syndrome, depression, and normal fatigue with otherwise good health.

Researchers performed electroencephalographography (EEG), which measure electrical activity in the brain. They found 40 differences between the chronic fatigue syndrome and normal fatigue groups, with the most important involving the temporal lobes.

You have two temporal lobes -- one just above each ear. As their location would suggest, they're involved in hearing. However, they also play a role in several other functions, including:

  • Processing what you hear
  • Memory formation
  • Language & visual comprehension
  • Emotion
  • Learning

All of these functions can be impaired in chronic fatigue syndrome.

The EEG results also were able to identify chronic fatigue syndrome with nearly a 90% accuracy in those who were unmedicated, and with 74% accuracy in those on brain-affecting drugs. No participants with depression were misclassified as having chronic fatigue syndrome.

Researchers concluded that chronic fatigue syndrome involves distinct differences in brain physiology and that this kind of test may prove useful for diagnosing the condition, if results are confirmed by further testing.

Learn more or join the conversation!


What is Chronic Fatigue Syndrome?
Chronic Fatigue Syndrome Symptoms
What Causes Chronic Fatigue Syndrome?


The above, with comments, originally appeared here.


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