What Can Head and Facial Movements Convey about …

What Can Head and Facial Movements Convey about Positive and Negative Affect? Zakia Hammal1, Jeffrey F Cohn1;2, Carrie Heike3, and Matthew L Speltz4 1 Robotics Institute, Carnegie Mellon University, Pittsburgh, USA 2 Department of Psychology, University of Pittsburgh, Pittsburgh, USA 3 Seattle Children’s Hospital, Seattle, USA 4 University of Washington School of Medicine, Seattle, USA

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