WebMay 18, 2013 · The four major components that make up a polygraph machine are the pneumograph, galvanograph, cardiosphygmograph, and the kymograph. These components work together to be able to determine if a... WebAug 5, 2004 · The development of currently used "lie detection" technologies has been based on ideas about physiological functioning but has, for the most part, been independent of systematic psychological research. Early theorists believed that deception required effort and, thus, could be assessed by monitoring physiological changes. ...

Scholarly Commons: Northwestern Pritzker School of Law

WebGalvanograph - elecrtrical Current recording, known as the GSR, galvanic skin response and galvanic skin conductance. Galvanometer - measures the small differences in … WebPersonalities involved in the development & use of galvanograph: • Sticker-(1897) worked on the galvanograph component & studied the influence and relation of the sweat glands to skin resistance. • Veraguth- (1907)formulated the term psycho-galvanic skin reflex. He claimed that electrical phenomena are due to the activity of the sweat glands. riverwood south condos tulsa

History of the Polygraph: Lie Detector, Polygraph Examiner, …

WebFeb 1, 2013 · Future Development. Galvanometers have been used for creating accurate measurements since the early 19th century. Communications are positively influenced by the galvanometer technology. The mirror galvanometer, in particular, was used for several years to position pens capable of recording results during an electrocardiogram. WebCredited with the discovery of galvanic skin reflex (GSR) By experimenting with frogs, discovered the muscles were controlled by electricity and produce an electrical current. Cesare Lombroso First person to utilize an instrument recording physiology for the purpose of detection deception. riverwood skyrim location