Social signals can serve as potent emotional triggers with powerful impacts on processes
from cognition to valence processing. How are social signals dynamically and flexibly …

Integration of social cues to initiate adaptive emotional and behavioral responses is a
fundamental aspect of animal and human behavior. In humans, social communication …

When people are forced to be isolated from each other, do they crave social interactions? To
address this question, we used functional magnetic resonance imaging to measure neural …

Selective relationships are fundamental to humans and many other animals, but
relationships between mates, family members, or peers may be mediated differently. We …

John Cacioppo has compared loneliness to hunger or thirst in that it signals that one needs
to act and repair what is lacking. This paper reviews Cacioppo's and others' contributions to …

Rats were given repeated choices between social and nonsocial outcomes, and between
familiar and unfamiliar social outcomes. Lever presses on either of 2 levers in the middle …

Wild-type Norway rats reciprocate help received in a well-replicated experimental food-
giving task, but the criteria to appraise the received help's value are unclear. We tested …

Helping behaviour is of special interest for prosociality because it appears to be motivated
by the needs of others. We developed a novel paradigm to investigate helping in pigs (Sus …

Early life environment influences the development of various aspects of social behavior,
particularly during sensitive developmental periods. We studied how challenges in the early …

Helping behavior tasks are proposed to assess prosocial or “empathic” behavior in rodents.
This paradigm characterizes the behavior of subject animals presented with the opportunity …