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E-meter
Device that measures electrical charges on skin
For the scientific instrument, see electrometer.
The E-Meter (also electropsychometer and Hubbard Electrometer) is an electronic device used in Scientology that allegedly "registers emotional reactions".[1] After claims by L. Ron Hubbard that the procedures of auditing, which used the E-Meter, could help heal diseases, the E-Meter became the subject of litigation.[2][3][4] Since then, the Church of Scientology publishes disclaimers declaring that the E-Meter "by itself does nothing", is incapable of improving health, and is used solely for spiritual purposes.
History
[edit]Mathison
[edit]Volney Mathison built an EDA meter based on a Wheatstone bridge,[a] a vacuum tubeamplifier, and a large moving-coil meter that projected an image of the needle on the wall. He patented his device in 1954 as an electropsychometer or E-meter,[8] and it came to be