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PozycjaAnalysis of Facial Skin Temperature Changes in Acquaintance Comparison Question Test(Oficyna Wydawnicza AFM, 2011) Polakowski, Henryk; Kastek, Mariusz; Pilski, JarosławFrom introduction: "Polygraph instruments have been used in criminal investigations for a long time now, and several types of tests using the polygraph have been developed. One such test is called the Acquaintance Comparison Question Test (ACQT) , which is extremely effective when traditional polygraph measures are used. However, the devices used to record these measures still resemble the fi rst models from 20 years ago [2, 3] and most often include metal electrodes attached to the fingers, pneumatic tubes surrounding the thoracic and abdominal areas, and a pneumatic blood pressure cuff attached to the upper arm overlying the brachial artery. Th ese sensors require time to attach, and the examinee can feel certain discomfort when the blood pressure cuff is infl ated for more than approximately fi ve minutes. Additionally, the autonomic nervous system (ANS) measures of the orienting response rely on such cognitive phenomena as memory updating rather than emotional responses to the test questions [4–7]. Many believe that increases in polygraph accuracy might be possible if questions could be determined. Th is would be useful not only in the ACQT format, but in other polygraph test formats as well. Research has documented a link between behavioral reactions and the expression of specific emotions [8–11]. Th e cited studies typically involve detailed measures of facial muscles as specifi c emotions are invoked. One technology that shows promise in overcoming some of the limitations of traditional polygraph measurements is thermography."(...)