Distinguishing integration and prediction accounts of ERP N400 modulations in language processing through experimental design

Many theoretical accounts of prediction in language processing are based to a substantial amount on experimental evidence from electrophysiological studies measuring N400 target word modulations. A drawback of most of these studies is that lexical prediction ('top-down' activation) account...

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Veröffentlicht in:Neuropsychologia 2019-11, Vol.134, p.107199-107199, Article 107199
Hauptverfasser: Mantegna, Francesco, Hintz, Florian, Ostarek, Markus, Alday, Phillip M., Huettig, Falk
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Sprache:eng
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Zusammenfassung:Many theoretical accounts of prediction in language processing are based to a substantial amount on experimental evidence from electrophysiological studies measuring N400 target word modulations. A drawback of most of these studies is that lexical prediction ('top-down' activation) accounts cannot be distinguished conclusively from lexical integration (‘bottom-up’ activation) accounts. Here we explored whether it is possible to distinguish integration and prediction accounts of ERP N400 modulations in language processing through experimental design. By employing rhyming sentence completions, we kept the ease of integration constant across conditions that differed in word predictability only. This experimental design allowed us to attribute N400 target word effects across conditions to predictive language processing. We close by discussing recommendations for future electrophysiological studies on prediction in language. •Using rhyming sentence pairs to induce rhyme expectations.•Using semantically low-constraining sentential context.•Measuring rhyme cloze probability as a proxy for lexical predictability.•Measuring plausibility as a proxy for word integration.•Distinguishing prediction and integration accounts of ERP N400 modulations.
ISSN:0028-3932
1873-3514
DOI:10.1016/j.neuropsychologia.2019.107199