>Winston said he believes researchers should instead focus on those things that make humans distinct from other primates, or even what made them distinct from Neanderthals.

According to cognitive science, this is capacity for analogical reasoning. Compared to the other self-aware, social, tool using animals exhibiting emotion such as dolphins, elephants, and the great apes, what sets humans apart is our massive capacity for analogical reasoning that leaves dolphins in a distant second.

In other words, humans can not only think in terms of relations, but how relations relate to one another much easier than any other animal.