Facial Action Coding System. | The Manual

The is the foundational technical guide for the Facial Action Coding System (FACS) , a comprehensive, anatomically based protocol for measuring and describing all visually discernible facial movements. First published in 1978 by Paul Ekman and Wallace V. Friesen, it provides a standard taxonomy that breaks down complex facial expressions into individual components called Action Units (AUs) . Quick Facts

Over 500 pages (some digital editions exceed 1,000 pages). Facial Action Coding System. The Manual

Paul Ekman , Wallace V. Friesen , and Joseph C. Hager (for the 2002 revision). Original Publication: 1978; significantly updated in 2002. The is the foundational technical guide for the

To provide an objective, descriptive analysis of facial behavior without making initial emotional inferences. Core Methodology Facial Action Coding System - Paul Ekman Group 000 pages). Paul Ekman