Introduction, Michele M. Tugade, Michelle N. Shiota, and Leslie D. Kirby

I. Theoretical Foundations

1. The Differentiation of Positive Emotional Experience as Viewed through the Lens of Appraisal Theory, Craig A. Smith, Eddie M. W. Tong, and Phoebe C. Ellsworth

2. Infusing Positive Emotions into Life: The Broaden-and-Build Theory and a Dual-Process Model of Resilience, Michele M. Tugade, Hillary C. Devlin, and Barbara L. Fredrickson

3. The Evolutionary Perspective in Positive Emotion Research, Michelle N. Shiota

4. What Is a Positive Emotion?: The Psychological Construction of Pleasant Fear and Unpleasant Happiness, Paul Condon, Christine D. Wilson-Mendenhall, and Lisa Feldman Barrett

5. Personality and Positive Emotion, Kimberly M. Livingstone and Sanjay Srivastava

II. The Biology of Positive Emotion

6. Approach Motivation and Its Relationship to Positive and Negative Emotions, Eddie Harmon-Jones, Tom F. Price, Phillip Gable, and Carly K. Peterson

7. Animal Neuroscience of Positive Emotion, Jeffrey S. Burgdorf, Jaak Panksepp, and Joseph R. Moskal

8. Autonomic Nervous System Aspects of Positive Emotions, Sylvia D. Kreibig

9. Spontaneous Human Laughter, Michael J. Owren and R. Toby Amoss

10. Nonverbal Expressions of Positive Emotions, Disa A. Sauter, Nicole M. McDonald, Devon N. Gangi, and Daniel S. Messinger

III. Social Perspectives and Individual Differences

11. Positive Emotions, Social Cognition, and Intertemporal Choice, Piercarlo Valdesolo and David DeSteno

12. Positive Emotions in Close Relationships, Claire I. Yee, Gian C. Gonzaga, and Shelly L. Gable

13. Traversing Affective Boundaries: Examining Cultural Norms for Positive Emotions, Chelsea Mitamura, Janxin Leu, Belinda Campos, Chelsea Boccagno, and Michele M. Tugade

14. Vive la Différence: The Ability to Differentiate Positive Emotional Experience and Well-Being, Leslie D. Kirby, Michele M. Tugade, Jannay Morrow, Anthony H. Ahrens, and Craig A. Smith

15. Positive Emotions across the Adult Life Span, Joseph A. Mikels, Andrew E. Reed, Lauren N. Hardy, and Corinna E. Löckenhoff

IV. Select Positive Emotions

16. Finding Happiness: Tailoring Positive Activities for Optimal Well-Being Benefits, S. Katherine Nelson and Sonja Lyubomirsky

17. Pride: The Fundamental Emotion of Success, Power, and Status, Jessica L. Tracy, Aaron C. Weidman, Joey T. Cheng, and Jason P. Martens

18. Romantic Love, Lisa M. Diamond

19. Compassion, Jennifer E. Stellar and Dacher Keltner

20. Gratitude, Anthony H. Ahrens and Courtney N. Forbes

21. Transcending the Self: Awe, Elevation, and Inspiration, Michelle N. Shiota, Todd M. Thrash, Alexander F. Danvers, and John T. Dombrowski

22. The Challenge of Challenge: Pursuing Determination as an Emotion, Leslie D. Kirby, Jannay Morrow, and Jennifer Yih

23. Hope Theory, Jennifer S. Cheavens and Lorie A. Ritschel

V. Outcomes of Positive Emotions

24. Health Psychology: The Importance of Positive Affect, Judith Tedlie Moskowitz and Laura R. Saslow

25. Positive Emotion Disturbance across Clinical Disorders, June Gruber, Sunny J. Dutra, Aleena C. Hay, and Hillary C. Devlin

26. Positive Emotions in Organizations, Stéphane Côté

27. Positive Emotions in Marketing and Social Influence, Samantha L. Neufeld and Vladas Griskevicius

Conclusions and Future Directions, Leslie D. Kirby, Michele M. Tugade, and Michelle N. Shiota