40 likes | 69 Views
Discover the intriguing world of yawning and its contagious nature across species. Dive into the theories behind this universal social behavior, from stretching to boredom theories, unraveling its physiological and evolutionary significance.
E N D
Is Yawning Contagious? Social Communication Within and Across Species
Universal Language • Smiling • Benefits of social communication
What about Yawning? • Social communication? • Why contagious?
Which theory is best? • The Stretching Theory • The Physiological Theory • The Evolution Theory • The Boredom Theory