 Ernst Jentsch set out the concept of the uncanny which Sigmund Freud elaborated on in his 1919 essay "Das Unheimliche", which explores the eeriness of dolls and waxworks.For Freud, the uncanny locates the strangeness in the ordinary.Expanding on the idea, psychoanalytic theorist Jacques Lacan wrote that the uncanny places us "in the field where we do not know how to distinguish bad and good, pleasure from displeasure", resulting in an irreducible anxiety that gestures to the Real.