Historical Mortality Dynamics on the Baja California Peninsula : Marriage, Mining Booms, Migration, and Infectious Disease [0.03%]
下加利福尼亚半岛的历史死亡率动态：婚姻，矿业繁荣，移民和传染病
Shane J Macfarlan,Ryan Schacht,Isabelle Forrest et al.
Shane J Macfarlan et al.
Historical demographic research shows that the factors influencing mortality risk are labile across time and space. This is particularly true for datasets that span societal transitions. Here, we seek to understand how marriage, migration, ...
Discriminative Grandparental Investment in China : Evidence from an Undergraduate Questionnaire Study [0.03%]
中国的区分祖辈投资现象：一项大学生问卷调查提供的证据
Liqun Luo,Yinan Zuo,Xinzhu Xiong
Liqun Luo
Many studies in Western societies show a pattern of discriminative grandparental investment as follows: maternal grandmothers (MGMs) > maternal grandfathers (MGFs) > paternal grandmothers (PGMs) > paternal grandfathers (PGFs). This pattern ...
David Waynforth
David Waynforth
Receiving social support from community and extended family has been typical for mothers with infants in human societies past and present. In non-industrialised contexts, infants of mothers with extended family support often have better hea...
Abby M Ruder,Gary L Brase,Nora J Balboa et al.
Abby M Ruder et al.
Income inequality has been empirically linked to interpersonal competition and risk-taking behaviors, but a separate line of findings consistently shows that individuals have inaccurate perceptions of the actual levels of income inequality ...
Social Substitutability and the Emergence of War and Segmental, Multilevel Society [0.03%]
社会替代性与战争及段层多级社会的产生关系研究
Paul Roscoe
Paul Roscoe
Raymond Kelly's widely cited Warless Societies and the Origin of War (University of Michigan Press, 2000) seeks to explain the origins of two central signatures of human society: war and segmented-i.e., multilevel-societies. Both, he argues...
Differences in the Social Motivations and Emotions of Humans and Other Great Apes [0.03%]
人类与其他大猿社会动机和情绪的差异
Michael Tomasello
Michael Tomasello
Humans share with other mammals and primates many social motivations and emotions, but they are also much more cooperative than even their closest primate relatives. Here I review recent comparative experiments and analyses that illustrate ...
Kristie L Poole,Heather A Henderson
Kristie L Poole
It has been theorized that the contagion of behaviors may be related to social cognitive abilities, but empirical findings are inconsistent. We recorded young adults' behavioral expression of contagious yawning and contagious smiling to vid...
Facial Expression of TIPI Personality and CHMP-Tri Psychopathy Traits in Chimpanzees (Pan troglodytes) : Evidence for Honest Signalling? [0.03%]
黑猩猩的TIPI人格和CHMP-Tri精神病特征的脸部表情：诚实信号的证据？
Lindsay Murray,Jade Goddard,David Gordon
Lindsay Murray
Honest signalling theory suggests that humans and chimpanzees can extract socially relevant information relating to personality from the faces of their conspecifics. Humans are also able to extract information from chimpanzees' faces. Here,...
The Link Between Age and Partner Preferences in a Large, International Sample of Single Women [0.03%]
大型国际单身女性样本中年龄与伴侣偏好的关系研究
Laura J Botzet,Amanda Shea,Virginia J Vitzthum et al.
Laura J Botzet et al.
Women's capacity to reproduce varies over the life span, and developmental goals such as family formation are age-graded and shaped by social norms about the appropriate age for completing specific developmental tasks. Thus, a woman's age m...
Human Amygdala Volumetric Patterns Convergently Evolved in Cooperatively Breeding and Domesticated Species [0.03%]
人类杏仁核体积模式在合作繁殖和驯化物种中趋同进化
Paola Cerrito,Judith M Burkart
Paola Cerrito
The amygdala is a hub in brain networks that supports social life and fear processing. Compared with other apes, humans have a relatively larger lateral nucleus of the amygdala, which is consistent with both the self-domestication and the c...