Although uniquely destructive and wasteful, intergroup conflict and warfare are not confined
to humans. They are seen across a range of group-living species, from social insects, fishes …

Peaceful coexistence and trade among human groups can be fragile and intergroup
relations frequently transition to violent exchange and conflict. Here we specify how …

Political ideology has been hypothesized to be associated with cooperation and national
parochialism (ie greater cooperation with members of one's nation), with liberals thought to …

Although the study of political behaviour has been traditionally restricted to the social
sciences, new advances in political neuroscience and computational cognitive science …

In theory, it can be strategically advantageous for competitors to make themselves
unpredictable to their opponents, for example, by variably mixing hostility and friendliness …

Conflict management scholars study mixed-motive negotiation situations with cooperative
and competitive incentives predominantly through multi-issue negotiation tasks in …

The functioning of groups and societies requires that individuals cooperate on public goods
such as healthcare and state defense. More often than not, individuals face multiple public …

Why are some brains more easily gripped by ideological doctrines than others? An
emerging research program on the psychological underpinnings of ideological thinking …

Aunque la mayoría de los humanos prefieren la paz, no existe ninguna sociedad que haya
conseguido evitar la guerra. Ofensivas, defensivas, internas, vecinales o de conquista, la …

Intergroup conflict profoundly affects the welfare of groups and can deteriorate intergroup
relations long after the conflict is over. Here, we experimentally investigate how the …