Article via https://biologia.elte.hu
The brains of modern dog breeds are larger than those of ancient breeds.
Modern dog breeds that are genetically more distant from wolves have a relatively larger brain size compared to ancient breeds that are thousands of years old, according to the findings of Hungarian and Swedish researchers.
“Different dog breeds live in varying levels of social complexity and perform complex tasks, which likely require a larger brain capacity.
This is the first comprehensive study regarding the brain size of different dog breeds, and its preparation took several decades.
“The results show that the breeding of modern dog breeds has been accompanied by an increase in brain size compared to ancient breeds.