Aggression is a social behavior essential for securing resources and defending oneself and
family. Thanks to its indispensable function in competition and thus survival, aggression …

Based on a wide variety of data, it is now clear that birds and teleost (bony) fish possess a
core “social behavior network” within the basal forebrain and midbrain that is homologous to …

Social processes profoundly influence speech and language acquisition. Despite the
importance of social influences, little is known about how social interactions modulate vocal …

Behavioral neuroendocrinology is an integrative discipline that spans a wide range of taxa
and neural systems, and thus the appropriate designation of homology (sameness) across …

Vertebrate animals exhibit a spectacular diversity of social behaviors, yet a variety of basic
social behavior processes are essential to all species. These include social signaling; …

In a well‐studied model of social behaviour, male zebra finches sing directed song to court
females and undirected song, used possibly for practice or advertisement. Although the two …

The steroid hormone estradiol plays an important role in reproductive development and
behavior and modulates a wide array of physiological and cognitive processes. Recently …

Many vertebrates are highly motivated to communicate, suggesting that the consequences
of communication may be rewarding. Past studies show that dopamine and opioids in the …

Birdsong is a learned motor skill that is performed with a high degree of stereotypy in adult
birds. Nevertheless, even in species where song “crystallizes” in a form that remains stable …

Social behaviors such as courtship, parenting, and aggression depend primarily on two
factors: a social signal to trigger the behavior, and a hormonal milieu that facilitates or …