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心理测试主要依据生理心理学基本理论,人在受到威胁时,植物交感神经被激活,出现以下生理现象:面部紧张、眼睛张大、呼吸急促、瞳孔放大、手心出汗、嘴巴发干、血压升高等。心理测试仪通过采集生理现象中不可控生理通道的数据来判断受测人是否说谎。心理测试作为一门新兴的刑事技术,已普遍被公安、交通、法院、检察等部门使用。无锡市公安局自2000年初开展心理测试以来,运用该技术已成功侦破了凶杀、强奸、投毒、盗窃等一系列重特大案件,经过近200人次的测试,我们在总结经验不断完善这项应用技术的同时也注意到其中的误差和失误。
Psychological testing is mainly based on the basic theory of physiological psychology, when people are threatened, plant sympathetic nerve is activated, the following physiological phenomena: facial tension, eyes wide, shortness of breath, pupil enlargement, palm sweating, dry mouth, elevated blood pressure, etc. . Psychological tester through the acquisition of physiological phenomena in the uncontrollable physiological channel data to determine whether the test subjects lying. Psychological testing as a new criminal technology, has been generally used by public security, transportation, courts, prosecutors and other departments. Wuxi City Public Security Bureau since the psychological tests carried out in early 2000, the use of the technology has successfully detected a series of major cases of murder, rape, poisoning, theft and other serious cases, after nearly 200 people test, we sum up experience to continuously improve the application Technology also notices errors and mistakes.