Why do audiences thrill to the negative emotions of horror fiction?

There are entire industries dedicated to delivering frights, thrills and gross-outs. So why do audiences line up and pay up in droves to experience horror and disgust – two emotions almost universally thought of as negative? In this interview, Noël Carroll, distinguished professor of philosophy at the Graduate Center of the City University of New York (CUNY), dissects why horror fiction gets its hooks so deeply into audiences despite putting them in states of discomfort.