This theory breaks away from the tradition of modelling utterance meaning by means of a sentence-based proposition and proposes instead so-called 'merger representations' – conceptual representations which combine the output of various linguistic and non-linguistic sources of information leading to the recovery of speaker meaning, shifting compositionality from the level of syntactic structures to the level of the merger.

[4][5] She has published widely on various topics in philosophy of language, semantics and pragmatics, including representing time in language and mind, ambiguity and underdetermination of meaning, propositional attitudes, and representing the self.

[2] Since 2010 she has been full Professor of Linguistics and Philosophy of Language at the University of Cambridge.

[2] From 1996 to 2008 she was principal editor of a book series Current Research in the Semantics/Pragmatics Interface, Elsevier.

She was also a member of the Committee of the Linguistics Association of Great Britain (LAGB).