Simple Summary The zebrafish is one of the most commonly used animals in scientific
research, but there remains a lack of consensus over good practice for zebrafish housing …

The aim of this review is to discuss recent arguments and findings in the comparative study
of empathy. Based on a multidisciplinary approach including psychology and ethology, we …

Emotional contagion is the most ancestral form of empathy. We tested to what extent the
proximate mechanisms of emotional contagion are evolutionarily conserved by assessing …

In this review, we consider the definitions and experimental approaches to emotional
contagion and prosocial behaviour in mammals and explore their evolutionary …

Emotional contagion, the emotional state‐matching of an individual with another, seems to
be crucial for many social species. In recent years evidence on emotional contagion in …

Stress is ubiquitous and thus, not surprisingly, many hypotheses and models have been
created to better study the role stress plays in life. Stress spans fields and is found in the …

Social buffering of stress refers to the effect of a social partner in reducing the cortisol or
corticosterone response to a stressor. It has been well studied in mammals, particularly …

The fitness benefits of social life depend on the ability of animals to affiliate with others and
form groups, on dominance hierarchies within groups that determine resource distribution …

Affective empathy, the ability to share the emotions of others, is an important contributor to
the richness of our emotional experiences. Here, we review evidence that rodents show …

Empathy is critical to adjusting our behavior to the state of others. The past decade
dramatically deepened our understanding of the biological origin of this capacity. We now …