In this influential work, Brian A. Hare and Michael Tomasello examine the evolutionary and genetic foundations of dog cognition, particularly dogs’ unusual proficiency in interpreting human social cues. While dogs have long been culturally significant, they only recently became central to scientific discussions of cognition and behavior.
The authors situate their analysis within a renewed scientific interest in dogs as a model for understanding social-communicative evolution. Compared with even our closest primate relatives, dogs excel at tasks involving human pointing, eye direction, and cooperative communication—skills that appear flexible and markedly human-like.
Hare and Tomasello propose that these traits may have arisen through convergent evolution: both humans (Homo sapiens) and domestic dogs (Canis familiaris) independently evolved certain analogous social-communicative abilities as adaptations for interacting with humans. Although the traits are not identical across species, their functional similarities suggest comparable evolutionary pressures.
This convergence offers a valuable opportunity to investigate how heritable behavioral traits evolve. If distantly related species develop similar abilities, those traits likely emerged independently through similar processes—potentially affecting shared developmental pathways. The authors suggest that dogs’ enhanced social cognition could have been shaped during domestication through selection for reduced fear, increased social tolerance, and responsiveness toward humans.
By integrating evidence from genetics, behavior, evolutionary theory, and comparative cognition, the paper positions dogs as a powerful model for studying how complex social skills evolve and are inherited. These insights broaden our understanding not only of canine abilities but also of the evolutionary origins of human social cognition.
Source: Hare, B. A., & Tomasello, M. (2006). Behavioral Genetics of Dog Cognition: Human-Like Social Skills in Dogs Are Heritable and Derived. Published 2006.
