Chow, W-Y;
Lago, S;
Barrios, S;
Parker, D;
Morini, G;
Lau, E;
(2014)
Additive Effects of Repetition and Predictability during Comprehension: Evidence from Event-Related Potentials.
PLoS ONE
, 9
(6)
, Article e99199. 10.1371/journal.pone.0099199.
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Abstract
Previous research has shown that neural responses to words during sentence comprehension are sensitive to both lexical repetition and a word’s predictability in context. While previous research has often contrasted the effects of these variables (e.g. by looking at cases in which word repetition violates sentence-level constraints), little is known about how they work in tandem. In the current study we examine how recent exposure to a word and its predictability in context combine to impact lexical semantic processing. We devise a novel paradigm that combines reading comprehension with a recognition memory task, allowing for an orthogonal manipulation of a word’s predictability and its repetition status. Using event-related brain potentials (ERPs), we show that word repetition and predictability have qualitatively similar and additive effects on the N400 amplitude. We propose that prior exposure to a word and predictability impact lexical semantic processing in an additive and independent fashion.
| Type: | Article |
|---|---|
| Title: | Additive Effects of Repetition and Predictability during Comprehension: Evidence from Event-Related Potentials |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1371/journal.pone.0099199 |
| Publisher version: | http://dx.doi.org/10.1371/journal.pone.0099199 |
| Language: | English |
| Additional information: | © 2014 Chow et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences |
| URI: | https://discovery.ucl.ac.uk/id/eprint/1449849 |
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