Polygraphs could be history -- honest: thermal imaging may help flush out the liars. (Frontlines).(Brief Article)

Using high definition thermal imaging to capture a facial reflection could obviate the polygraph and maybe aid in homeland security. When people lie, they often become startled or anxious and produce physiological effects, such as excessive blood flow in the area around the eyes. The Mayo Clinic of Rochester and Honeywell Laboratories of Minneapolis have developed a thermofacial screening that is statistically similar to a polygraph's efficacy and can be given with significantly less hassle (I. Pavlidis, et al., "Seeing through the face of deception," Nature, 415:35, Jan. 3, 2002.) The new …