“There are many studies that have shown that there is a strong genetic component to curiosity,” he notes. “It is also the case that some people are more curious than others, in the same way that some people have talent for music and others don’t or some people are smarter than others … But all people are curious, with the possible exception of people who are very deeply depressed or have certain kinds of brain damage.” Humans exhibit two basic types of curiosity that show up in different parts of the brain during functional MRI scans.