Stimulation of Irritable Tissues by Means of an Alternating Magnetic Field.

Abstract

Stimulation of frog nerves and of excised frog muscles submerged in Ringer's solution has been obtained without the use of electrodes by means of sinusoidal alternating magnetic fields. This effect is due to eddy currents induced in conductive tissues and their surroundings. Visual and non-visual sensations have been induced in human subjects by non-homogeneous alternating magnetic fields adjacent to the brain.