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Processing temporal presuppositions: an event-related potential study

Author(s)
Stearns, Laura; Eddy, Marianna; Jouravlev, Olessia; Bergen, Leon; Gibson, Edward A; Fedorenko, Evelina G; ... Show more Show less
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Abstract
The ability to efficiently process presuppositions, which contain information that the speaker believes to be in the background to the conversation, is essential for effective communication. To get a deeper understanding of the nature and the time-course of temporal presupposition processing, we examined event-related potential evoked by the word again in two types of sentence contexts. The word again was presented in contexts that supported a presupposition (e.g. Jake had tipped a maid at the hotel once before. Today he tipped a maid at the hotel again … ) or violated it (e.g. Jake had never tipped a maid at the hotel before. Today he tipped a maid at the hotel again … ). The presupposition violation was associated with increased amplitudes of the P3b/P600 but not the N400 component. We argue for the centrality of the P3b/P600 component for presupposition processing. These findings demonstrate rapid integration of lexical presuppositions with contextual knowledge. KEYWORDS: Temporal presupposition, ERPs, P3b/P600, N400, presupposition violation
Date issued
2016-08
URI
http://hdl.handle.net/1721.1/113209
Department
McGovern Institute for Brain Research at MIT
Journal
Language, Cognition and Neuroscience
Publisher
Routledge
Citation
Jouravlev, Olessia et al. “Processing Temporal Presuppositions: An Event-Related Potential Study.” Language, Cognition and Neuroscience 31, 10 (August 2016): 1245–1256 © 2016 Informa UK Limited
Version: Author's final manuscript
ISSN
2327-3798
2327-3801

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