Lecture 12: Evolutionary Psychology, Emotions, and Facial Expressions | COGSCI 1 | UC Berkeley

Introduction to Cognitive Science (COGSCI 1B)
Lecture 12: Evolutionary Psychology, Emotions, and Facial Expressions

Introduction (0:00)
Variation, natural selection, and sexual selection (5:07)
Forces of natural selection (18:07)
Human variation (20:27)
Chromosomes, genes, alleles, and sexual reproduction (23:33)
Variation due to gene mutation (26:37)
Dobzhansky's fruit fly experiment (30:12)
DNA: Phosphates, sugars, and bases (37:07)
DNA bases (A, C, G, T), sequencing, and mutations (41:18)
Gene flow (47:08)
Genetic drift (51:10)
The modern synthesis in evolutionary biology (53:20)
The evolutionary tree of hominins (54:18)
Evolutionary psychology (56:08)
The evolution of emotions (1:03:26)
Facial expressions (1:25:06)
Anger, disgust, fear, happiness, sadness, and surprise (1:27:35)
The Facial Action Coding System (FACS) (1:33:33)
Conclusion (1:37:37)

References

Darwin, C. (1959). On the Origins of Species by Means of Natural Selection. London: John Murray. https://www.google.com/books/edition/...

Dobzhansky, T. (1937). Genetics and the Origins of Species. New York: Columbia University Press.
https://www.google.com/books/edition/...

Ekman, P. (1999). Facial expressions. In T. Dalgleish & M. Power (Eds.), Handbook of Cognition and Emotion (pp. 301-320). Hoboken: John Wiley & Sons. https://doi.org/10.1002/0470013494.ch16

Cohn, J. F., Ambadar, Z. & Ekman, P. (2007). Observer-based measurement of facial expression with the Facial Action Coding System. In J. A. Coan & J. J. B. Allen (Eds.), Handbook of Emotion Elicitation and Assessment (pp. 203-221). Oxford: Oxford University Press. https://psycnet.apa.org/record/2007-0...

Cosmides, & Tooby, (2000). Evolutionary psychology and the emotions. In M. Lewis & J. M. Haviland-Jones (Eds.), Handbook of Emotions (pp. 91-115). New York: Guilford. https://psycnet.apa.org/record/2000-0...

Much thanks to Alecia Barnes and Michelle Wolf at DSP Berkeley for providing professionally captioned media for the lectures in this course.