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Transcript of Psychology
Gillian Foster: He assumes you're a liar if you're a Homo sapien.
Become a human lie detector
Polygraph a.k.a. lie detector
Jimmy Kimmel as a lie detective
The truth about lying - refuse to be deceived by knowing the signs
Anja Kohl/Tamara Schmidt 
A lie is a statement that is known or intended by its source to be misleading, inaccurate, or false.
Two types of lies:
Lies of omission:
Withholding the truth by simply not telling a fact
Lies of commission:
Falsification of information
Cal Lightman: I don't have much faith in words, myself. Statistically speaking, the average person tells three lies per ten minutes conversation.
Invented 1921 by John Augustus Larson, a medical student and police officer
Sensors attached to person recording:
Perspiration (sweat rate)
Respiration (breath rate)
Significant change indicates a lie
Ask neutral questions on topics with no reasons to lie about
Pay attention to the person's look, sound of voice and behaviour
Noticing change in baseline
Turn away from you
Changes in tone of voice
Cross their arms
Sweating, blushing, difficulty swallowing
Avoid eyecontact or hold eyecontact all the time