Are there vocal cues to human developmental stability? Relationships between facial fluctuating asymmetry and voice attractiveness [0.03%]
发声能够体现人类的发育平衡性吗？脸部细微不对称性和声音吸引力之间的关系
Alexander K Hill,Rodrigo A Cárdenas,John R Wheatley et al.
Alexander K Hill et al.
Fluctuating asymmetry (FA), deviation from perfect bilateral symmetry, is thought to reflect an organism's relative inability to maintain stable morphological development in the face of environmental and genetic stressors. Previous research...
Fructose and Uric Acid as Drivers of a Hyperactive Foraging Response: A Clue to Behavioral Disorders Associated with Impulsivity or Mania? [0.03%]
果糖和尿酸作为过度觅食反应驱动因素的作用及其与冲动或躁狂相关的行为障碍的线索作用？
Richard J Johnson,William L Wilson,Sondra T Bland et al.
Richard J Johnson et al.
Several behavioral disorders, including attention deficit hyperactivity disorder (ADHD), bipolar disorder, and aggressive behaviors are linked with sugar intake and obesity. The reason(s) for this association has been unclear. Here we prese...
Michael D Gurven,Daniel E Lieberman
Michael D Gurven
Despite recent rapid advances in medical knowledge that have improved survival, conventional medical science's understanding of human health and disease relies heavily on people of European descent living in contemporary urban industrialize...
Response to vocal music in Angelman syndrome contrasts with Prader-Willi syndrome [0.03%]
天使人综合症患者的音乐反应与普拉德-威利综合症患者不同
Jennifer Kotler,Samuel A Mehr,Alena Egner et al.
Jennifer Kotler et al.
Parent-offspring conflict-conflict over resource distribution within families due to differences in genetic relatedness-is the biological foundation for many psychological phenomena. In genomic imprinting disorders, parent-specific genetic ...
Francesca De Petrillo,Alexandra G Rosati
Francesca De Petrillo
Humans can use an intuitive sense of statistics to make predictions about uncertain future events, a cognitive skill that underpins logical and mathematical reasoning. Recent research shows that some of these abilities for statistical infer...
Common marmosets are sensitive to simple dependencies at variable distances in an artificial grammar [0.03%]
人工语法中变量距离的简单依赖关系以常见狨猴的敏感性
Stephan A Reber,Vedrana Šlipogor,Jinook Oh et al.
Stephan A Reber et al.
Recognizing that two elements within a sequence of variable length depend on each other is a key ability in understanding the structure of language and music. Perception of such interdependencies has previously been documented in chimpanzee...
Mating system change reduces the strength of sexual selection in an American frontier population of the 19th century [0.03%]
交配系统的变化减少了19世纪美国边疆人口的性选择强度
Jacob A Moorad,Daniel E L Promislow,Ken R Smith et al.
Jacob A Moorad et al.
Sexual selection, or competition among members of one sex for reproductive access to the other, is one of the strongest and fastest evolutionary processes. Comparative studies support the prediction that sexual selection is stronger in poly...
Chris von Rueden,Sarah Alami,Hillard Kaplan et al.
Chris von Rueden et al.
We test the contribution of sex differences in physical formidability, education, and cooperation to the acquisition of political leadership in a small-scale society. Among forager-farmers from the Bolivian Amazon, we find that men are more...
Jessica L Barker,Pat Barclay
Jessica L Barker
Why should organisms incur a cost in order to inflict a (usually greater) cost on others? Such costly harming behavior may be favored when competition for resources occurs locally, because it increases individuals' fitness relative to close...
Robin I M Dunbar,Richard Sosis
Robin I M Dunbar
We examine community longevity as a function of group size in three historical, small scale agricultural samples. Community sizes of 50, 150 and 500 are disproportionately more common than other sizes; they also have greater longevity. Thes...