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juli 29, 2003
Smittsamma gäspningar
I Nature-artikeln Kind people catch yawns berättas om en undersökning om hur gäspningar smittar och varför. Möjligen är det ett synkningsfenomen.
Self-aware or empathetic people are more likely to catch the yawns, say US researchers.
Contagious yawning is known to be more than coincidence. Studies have shown that 40-60% of people who watch videos or hear talk about yawning end up joining in.
...
This makes evolutionary sense, agrees Ronald Baenninger, who has studied yawning at Temple University in Philadelphia, Pennsylvania. Contagious yawning may have helped our ancestors to coordinate times of activity and rest. "It's important that all group members be ready to do the same thing at the same time," Baenninger says.
Posted by hakank at juli 29, 2003 04:23 EM Posted to Komplexitet/emergens | Social Network Analysis/Complex Networks | Social Network Analysis/Complex Networks