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Tuesday April 14, 2009 2:27 pm

DIY Truth Wristband Kit

Posted by Sheila Franklin Categories: Design, Misc. Tech

Truth Wristband KitFind out what your date is really thinking. The Truth Wristband kit measures the galvanic skin response which is used in larger lie detector tests, and turns from blue to red when the wearer gets nervous. All the parts you need are included: an etched PCB, finger strap, Velcro wristband, TRUTH face plate, batteries and instructions. You need to do some soldering but for $44.95, we figure it should pay for itself after the first transgression.

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Skin response Skin response 3/25/14 2:52 pm

Closely associated with the visceral and neural activity occurring during emotion are certain significant changes in the electrical properties of the body. When perspiration breaks out on the surface of the body during emotion, two important changes occur in the electrical properties of the skin: (1) the tissues actually generate an electromotive force (voltage) and (2) the electrical resistance of the skin is changed. These changes, which may be measured with great sensitivity by special electrical apparatus, constitute the galvanic skin response (GSR). In older tests this response was often called the psychogalvanic response (PGR). http://behaviouralsciences.net

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