Although the social role of oxytocin came to light due to sex-specific interactions such as
mother–offspring bonding, current understanding of sex differences in the effects of oxytocin …

The neuropeptide oxytocin has historically been associated with reproduction and maternal
behavior. However, more recent research has uncovered that oxytocin has a much wider …

Empathy, the ability to understand the feelings of other people, is critical for navigating our
social world and maintaining social connections. Given that acute stress, and resulting …

The challenge hypothesis makes specific predictions about the association between
testosterone and status-seeking behaviors, but the findings linking testosterone to these …

Understanding emotions in males is crucial given their higher susceptibility to substance
use, interpersonal violence, and suicide compared to females. Steroid hormones are …

Abstract Swift-Gallant et al.(2020) provide a thought-provoking perspective on the topic of
digit ratio research, research that has had some prominence in the journal Hormones and …

Empathy is crucial for social functioning as well as social coherence. It can be influenced by
modulatory factors such as familiarity and liking (ie, emotional closeness). Furthermore …

The second-to-fourth digit ratio (2D: 4D) has been associated with sexual dimorphism, with a
lower 2D: 4D in males. A large body of research has relied on the 2D: 4D as a proxy for …

Same-sex attraction, a heritable trait with a reproductive cost, lacks a comprehensive
evolutionary explanation. Here we build on a hypothesis invoking antagonistic pleiotropy …

Testosterone has been theorized to direct status-seeking behaviors, including competitive
behavior. However, most human studies to date have adopted correlational designs, and …