Research across species highlights the critical role of the amygdala in fear conditioning.
However, fear conditioning, involving direct aversive experience, is only one means by …

Decades-long field research has flowered into integrative studies that, together with
experimental evidence for the requisite social learning capacities, have indicated a reliance …

In this article I propose a model that posits three major sources of influence on behavior—
basic human nature (via universal psychological processes), culture (via social roles), and …

Infant imitation demonstrates that the perception and production of human action are closely
linked by a 'supramodal'representation of action. This action representation unites …

Field reports provide increasing evidence for local behavioral traditions among fish, birds,
and mammals [1–7]. These findings are significant for evolutionary biology because social …

Innovation is a key component of most definitions of culture and intelligence. Additionally,
innovations may affect a species' ecology and evolution. Nonetheless, conceptual and …

In his theory of evolution, Darwin recognized that the conditions of life play a role in the
generation of hereditary variations, as well as in their selection. However, as evolutionary …

Wild chimpanzees (Pan troglodytes) have a rich cultural repertoire—traditions common in
some communities are not present in others. The majority of reports describe functional …

Hominin evolutionary history is characterized by regular dispersals, cycles of colonization,
and entry into novel environments. This article considers the relationship between such …

Multiple regional differences in tool use have been identified among wild chimpanzees, Pan
troglodytes, but the hypothesis that these represent traditions, transmitted through social …