Cohn & Ekman Measuring Facial Action Page 1 of 117 To appear in J.A. Harrigan, R. Rosenthal, & K. Scherer (Eds.), Handbook of nonverbal behavior research methods in the affective sciences. NY: Oxford. DRAFT: August 20, 2004 RUNNING HEAD: Measuring Facial Action Measuring Facial Action by Manual Coding, Facial EMG, and Automatic Facial Image Analysis Jeffrey F. Cohn University of Pittsburgh Paul Ekman University of California San Francisco