We'll come back to these issues in a minute, but I'd like to say something about the theories of Robin Dunbar—an anthropologist at Oxford University.

我们稍后会回到这些议题上，但我想谈谈罗宾·邓巴的理论——他是牛津大学的人类学家。

youdao

After the programs ended, Robin Dunbar tested the volunteers to see how they reacted to pain.

节目结束之后，罗宾·邓巴测试了志愿者们对疼痛的身体反应。

youdao

The answer may lie in the research by an anthropologist and evolutionary biologist Robin Dunbar.

这个问题或许可以在人类学家和进化生物学家Robin Dunbar的研究中找到答案。

youdao

Professor Robin Dunbar is best known for his work related to how many stable social relationships the human brain can manage.

FORBES: Study: The Bigger Your Brain, the More Friendships You Can Manage

Oxford University evolutionary psychologist Robin Dunbar explained to the Times earlier this year that the muscular movements involved in producing chuckles cause a spike in endorphins.

FORBES: Is Laughter the Solution to All of Our Problems?

Moreover, the expected size of social groups in humans, based on their large brain size and the behavior of other primates, should be about 150, according to British anthropologist Robin Dunbar.

CNN: Obesity, STDs flow in social networks