An apparatus and method for stimulating, recording and measuring facial expression.

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Abstract
A facial cinerecorder, devised and used successfully on 108 subjects, combines a continuous automatic sound movie projector with a concealed camera so that expression is first auditorially and visually stimulated, then photographed under standard conditions[long dash]all without the subject''s knowledge. The developed cinematographic record is projected onto a translucent screen and subjected to an analysis in which the dynamic patterns of facial expression are first traced off graphically and then measured and translated into numerical representations.

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