This article analyzes the shift from emotion to affect in Caryl Churchill’s writing for the theatre, a process which becomes prominent in the later seventies and culminates in the production of A Mouthful of Birds, a project designed jointly with the choreographer David Lan. The effects of the transformation remain traceable in The Skriker, a complex play taking several years to complete. It is argued that there is a tangible and logical correlation between Churchill’s dismantling of the representational apparatus associated with the tradition of institutional theatre—a process which involves, primarily, a dissolution of its artificially constructed, docile bodies into orificial ones—and her withdrawal from the use of emotional expression i...