The creation of art indicates a change in human brain function.

Evidence

Around 50,000 years ago something dramatic seems to have happened to the human brain. … In short, they were making art. — Neil MacGregor, A History of the World in 100 Objects, 102

Categorization

• corroborated: 2 independent passages support this claim — Neil MacGregor, A History of the World in 100 Objects, 102