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They're convinced that laughter is one of the important keys to understanding humankind and its evolution. roberts provan is a neurologist behavioral specialist and professor of psychology. for many years now laughter has been the focus of his research. and for years the biology of laughter has been something of a stepchild of scientific research it's often regarded as a pseudo science something less than serious. we're also not ready for this office yet but over history there's been a lot of concern it would work to avert most grateful all sufferers have dealt with the topic of wealth or plat...

Revealed that all of the sticking vocalisations came from the same evolutionary origin which indicates that all of these folks lose ations of the great apes are laugh oh please it's so therefore we could trace back the evolution of laughter it should be at least ten to six million years. that turns out that studying the transition from primate to human laughter now we told you how other primates are different than us but also explains why we can talk to other apes care here's a case where laughter can be used as a tool of the study vocal evolution. the key event. human vocal evolution turns ou...

To wait no mirror neurons help make it possible for mammals to communicate emotion and to understand the emotions of others. over the course of evolution mirror neurons helped primates develop imitation skills which promotes social cohesion. so it's no surprise that humans the most social of animals possess and usually complex mirror mechanism and that the mechanism has a link to laughter. it's apparent that laughter is not unique to humans that discovery has helped us arrive at a better understanding of the science of evolution. the researchers working in this

High intensity form smiling a low intensity form of the seemed i was fascinated to see that this means that what we called friend brought smiling has a quite different origin in evolution from our love to laughter playful initiative rionda playful mood we're going to enjoy ourselves this is going to be fun where is the broad smile comes from don't fatah i'm friendly i like you don't be anxious i like you very much. to the left you see the equivalent of our cheap smile to decry your c.v. for. a walk in laughter face. even