The origins of pleasure

Very inspiring, funny talk starting with a nice anecdote about a Dutch art collector selling a Vermeer to a nazi in World War 2.

Why do we like an original painting better than a forgery? Psychologist Paul Bloom argues that human beings are essentialists — that our beliefs about the history of an object change how we experience it, not simply as an illusion, but as a deep feature of what pleasure (and pain) is.