瑟丹是居住在林顿(中土大陆第三纪元的西北角)的首生精灵,是帖勒瑞精灵领袖之一,林顿是贝尔兰大陆唯一存留下的一小块地方,瑟丹接受过海神的指令在林顿造船接其他精灵离开中土大陆,所以又被叫做造船者瑟丹。他是首生精灵,是中土精灵最老者。
尼丹瑟博士认为,某些人类的微笑也可以归入这些类别。
Dr. Niedenthal thinks that some human smiles fall into these categories as well.
在新发表的研究论文中,尼丹瑟博士和同事们的很多研究表明,在某人模仿者对方微笑时,双方大脑中的很多相同部分会被激活。
In their new paper, Dr. Niedenthal and her colleagues point to a number of studies indicating that this imitation activates many of the same regions of the brain that are active in the smiler.
实际上,在这种情况下,人们会倾向于回避对方的目光。这也是尼丹瑟博士模型的重点部分。
In fact, he points out, in such encounters, people tend to avoid eye contact, which Dr. Niedenthal says is central to her model.
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