Unraveling Deception: A Journey Through the Evolution of Lie Detection Techniques

Ancient Methods of Detecting Deception

In ancient civilizations, methods of lie detection were deeply rooted in superstition and ritualistic practices. For instance, in ancient China, suspects were given a handful of dry rice to chew and then spit out. If the rice remained dry, it was believed that the individual was lying, based on the assumption that fear inhibits saliva production. Similarly, in medieval Europe, trial by ordeal was a common practice where the accused underwent painful tests under the belief that divine intervention would reveal their guilt or innocence.

The Birth of Physiological Lie Detection

The late 19th and early 20th centuries marked a shift towards scientific approaches in lie detection. Italian criminologist Cesare Lombroso developed the hydrosphygmograph, an instrument designed to measure changes in blood pressure and pulse rate, aiming to identify deception through physiological responses. This innovation laid the groundwork for future developments in the field. ...Read More

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