When a person lies, he or she experiences a “Pinocchio effect”, which is an increase in the temperature around the nose and in the orbital muscle in the inner corner of the eye. In addition, when we perform a considerable mental effort our face temperature drops, and when we have an anxiety attack our face temperature rises, according to a pioneering study that has introduced new applications of thermography.
via ScienceDaily: Latest Science News http://www.sciencedaily.com/releases/2012/12/121203081834.htm?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+sciencedaily+%28ScienceDaily%3A+Latest+Science+News%29