Smile Intensity in Photographs Predicts Longevity

Autonomic Nervous System Activity Distinguishes Among Emotions

Paul Ekman, Robert W. Levenson, Wallace V. Friesen · Science · 1983 · 2.7K citations

Life Sciences, Neuroscience, Psychology +15

Inferences of Competence from Faces Predict Election Outcomes

Alexander Todorov, Anesu N. Mandisodza, Amir Goren et al. · Science · 2005 · 1.5K citations

Social Sciences, Psychology, Social Psychology +14

Positive emotions in early life and longevity: Findings from the nun study.

Deborah D. Danner, David A. Snowdon, Wallace V. Friesen · Journal of Personality and Social Psychology · 2001 · 1.3K citations

Education, Human Development, Psychology +16

The Duchenne smile: Emotional expression and brain physiology: II.

Paul Ekman, Richard J. Davidson, Wallace V. Friesen · Journal of Personality and Social Psychology · 1990 · 1.3K citations

Social Sciences, Neuroscience, Psychology +16

Voluntary Facial Action Generates Emotion‐Specific Autonomic Nervous System Activity

Robert W. Levenson, Paul Ekman, Wallace V. Friesen · Psychophysiology · 1990 · 1.3K citations

Social Sciences, Neuroscience, Psychology +17