Motivation and Emotion · 1989 · 159 citations · 44 references
Social SciencesPsychologySocial PsychologyExperimental PsychologySocial CognitionSocial PerceptionAffect DisplayFacial ExpressionFacial Expression In ComedyFacial Mimicry
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Autonomic Nervous System Activity Distinguishes Among Emotions
Paul Ekman, Robert W. Levenson, Wallace V. Friesen · Science · 1983 · 2.7K citations
The Physiological Differentiation between Fear and Anger in Humans
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Facial Reactions to Facial Expressions
Ulf Dimberg · Psychophysiology · 1982 · 837 citations