Distortion of the progress of multiple sclerosis using pulsed magnetic field of 4-13 Hz frequencies and 0.5-1 mTintensities was attempted on 30 patients in the study (Richards et al., 1997) which also recorded the changes in the brain with electroencephalography.
Besides quantitative electroencephalography (EEG) during language task (patient was asked to come up with a verb for a given noun), a clinical evaluation using Kurtzke and performance scales were also conducted, including bladder control, cognitive function, fatigue, hand function, mobility, touch, spasticity, vision.
Pulsed magnetic therapy applied to either acupuncture point on the back, shoulder or hip had a statistically significant effect on performance measures in comparison to the placebo group. Also, the control group showed worsening depression and moodiness. However, the most interesting were the findings of EEG, according to which alpha waves (8-13 Hz; at the electrodes C3, P3, T5, F7, T3 and PZ) increased during the language task thanks to the effects of pulsed magnetic field which clearly indicates an improvement in brain functions.
During normal brain activation the alpha waves decrease (blocking of alpha activity) in the activated part of the brain. During the learning process, the brain becomes more efficient, the smaller is its activated part. It can be said that the reduced intensity of alpha waves means local use of energy. At the same time, if unconnected parts of the brain produce more alpha waves during a given task, the brain is less activated. Therefore patient producing more alpha waves thanks to the application of pulsed magnetic therapy uses less energy and has more efficient brain. Figuratively speaking, brain of such patient requires lower consumption of liters per kilometer during a given activity.
The results also showed that pulsed magnetic field can be applied to areas further from the brain through acupuncture points. However, type of the nerve is, according to the study, important. Applications of pulsed magnetic fields to the median nerve seems to be most optimal for patients with multiple sclerosis.
Most importantly, pulsed magnetic therapy not only contributes to the overall quality of life of patients suffering from multiple sclerosis, but also significantly preserves the brain by tuning its functions.
Reference: Richards, T. L., Lappin, M. S., Acosta-Urquidi, J., Kraft, G. H., Heide, A. C., Lawrie, F. W., & … Cunningham, C. A. (1997). Double-blind study of pulsing magnetic field effects on multiple sclerosis. Journal Of Alternative And Complementary Medicine (New York, N.Y.), 3(1), 21-29.
Double-blind study of pulsing magnetic field effects on multiple sclerosis
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Related diagnosis: Multiple Sclerosis – MS
Find out more about PEMF: Principle of Pulse Electromagnetic Field Therapy (PEMF)