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Updated: Jul 5, 2026
Low-Cost Electroencephalographic Recording System Combined with a Millimeter-Sized Coil to Transcranially Stimulate the Mouse Brain In Vivo
Published on: May 26, 2023
Meg recordings of patients with CNS disorders before and after external magnetic stimulation
P Anninos1, A Kotini, N Anninou
1Laboratory of Medical Physics, Medical School, Democritus University of Thrace, Alexandroupolis and Xanthi, Greece. anninosf@axd.forthnet.gr
Abstract:
Magnetoencephalographic (MEG) recordings of patients with CNS disorders were obtained using a whole-head 122-channel magnetometer SQUID and analyzed using Fourier statistical analysis. External transcranial magnetic stimulation in the order of pico Tesla (pTMS) was applied to the above patients with proper characteristics (magnetic intensity 1-7.5 pT; frequency: 8-13 Hz) which were obtained with MEG recordings prior to pTMS. The MEG recordings after the application of pTMS showed a rapid attenuation of the high abnormal activity followed by an increase in the number of the low frequency components toward the patients alpha-rhythm. The possible mechanisms of the effects of external magnetic stimulation on the pineal gland in the brain are presented.
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