Reciprocity is probably one of the most debated theories in evolutionary research. After
more than 40 years of research, some scientists conclude that reciprocity is an almost …

The neuropeptide oxytocin plays a critical role in social behavior and emotion regulation in
mammals. The aim of this study was to explore how nasal oxytocin administration affects …

Oxytocin has gained a reputation in popular culture as a simple “love drug” or “cuddle
hormone”, yet emerging biological evidence indicates that the effects of oxytocin are …

Relationships between adult females are fundamental to understanding diversity in animal
social systems. While cooperative relationships between kin are known to promote fitness …

It has been suggested that dogs' ability to comprehend human pointing gestures evolved as
a by-product of the socio-emotional changes associated with domestication. Given the large …

两个实验考察催产素对社会善念的作用以及面孔吸引力对二者关系的影响. 实验1 采用双盲实验,
使用安慰剂作对照, 发现催产素可以促进社会善念, 不受面孔性别的影响. 实验2 …

Although several animals respond negatively to inequity, the underlying neurochemistry of
the process remains poorly understood. In this study, we tested whether the neuropeptide …

Peace ethology: behavioral processes and systems of peace Peace Ethology Page 2 Peace
Ethology Behavioral Processes and Systems of Peace Edited by Peter Verbeek University of …

Behavioural differences have been found in humans, chimpanzees and other social animals
across populations (Marler & Tamura, 1962; Weilgart & Whitehead, 1997; Whiten et al …

This chapter offers an introduction to the study of natural peace through the lens of peace
ethology. The first two sections of the chapter, Concepts and Contexts and Situating Human …