Acknowledgments
1. Laughter: An Introduction
2. The Road Not Taken: Philosophical and Theoretical Approaches to Laughter
3. Natural History of Laughter
4. Cracking the Laugh Code: From Sound Lab to Opera Studio
5. Chimpanzee Laughter, Speech Evolution, and Paleohumorology
6. Ticklish Relationships
7. Contagious Laughter and the Brain
8. Abnormal and Inappropriate Laughter: Clinical Perspectives
9. Laughing Your Way to Health
Appendix: Ten Tips for Increasing Laughter: Perspectives from the Mall,
Workplace, and Clinic
Notes
References
Index
