Thought Moments (2004)
Thought Moments (2004) is an anthropological short film in the style of cinéma vérité by Michael Simon Toon. Toon, a former Buddhist monk, titled Thought Moments after the Buddhist term for the mental states we experience when a physical or mental object enters the mind. The film is used in the study of microexpressions, eye accessing cues, and the universality of facial expressions.
More at Wikipedia.