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Cosmic magnetic fields

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Magnetic fields --- Champs magnétiques

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Magnetic fields. --- Champs magnétiques --- Champs magnétiques

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Transcranial magnetic stimulation (TMS) is used both as a diagnostic instrument and for therapy, available only at some psychiatric clinics for treatment of depression and at clinical neurophysiology where TMS is used for diagnosis of nerve damage. The Swedish National Board of Health and Welfare issued a referral edition about the use of repetitive TMS as an alternative treatment for depression. This may lead to a major increase in the application of TMS to treat depression. TMS is based on induction of an electric (E) field inside the brain by application of an external magnetic field with rapid rise and fall time. The E field in the brain has been calculated when different coils were used for the treatment. The reported E fields are of the order of tens to hundreds of volts per meter and the induced current density is estimated at tens of A/m2. This field can depolarize neurons or modulate cortical excitability by selecting the appropriate parameters for stimulation and the duration of the treatment session. The mechanisms of action of neurostimulation still remain incompletely understood.

Health risk assessment. --- Magnetic fields. --- Neuropsychology.

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In the study of Magnetic Positioning Equations, it is possible to calculate and create analytical expressions for the intensity of magnetic fields when the coordinates x, y and z are known; identifying the inverse expressions is more difficult. This book is designed to explore the discovery of how to get the coordinates of analytical expressions x, y and z when the intensity of the magnetic fields are known. The discovery also deals with the problem of how to analyze, define and design any type of transmitter along with its positioning equation(s).Presents new simple mathematic

Electric fields -- Mathematics. --- Electrons -- Measurement. --- Magnetic fields - Mathematics. --- Magnetic fields -- Mathematics. --- Magnetic fields - Measurement. --- Magnetic fields -- Measurement. --- Magnetic fields --- Physics --- Physical Sciences & Mathematics --- Electricity & Magnetism --- Mathematics --- Measurement --- Mathematics. --- Measurement. --- Fields, Magnetic --- Field theory (Physics) --- Geomagnetism --- Magnetics