: Developed by Ekman and Wallace V. Friesen in 1978, this is the comprehensive system used in the show to taxonomize every human facial expression by "Action Units" (AUs).
The TV series (2009–2011) was heavily inspired by the pioneering scientific research of Dr. Paul Ekman , specifically his work on facial expressions and micro-expressions . Lie to Me (2009–2011)
: Dr. Cal Lightman (played by Tim Roth) and his team at The Lightman Group assist law enforcement and government agencies by analyzing body language and micro-expressions to uncover the truth. : Developed by Ekman and Wallace V