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Synchronizing timelines: Relations between fixation durations and N400 amplitudes during sentence reading
- We examined relations between eye movements (single-fixation durations) and RSVP-based event-related potentials (ERPs; N400’s) recorded during reading the same sentences in two independent experiments. Longer fixation durations correlated with larger N400 amplitudes. Word frequency and predictability of the fixated word as well as the predictability of the upcoming word accounted for this covariance in a path-analytic model. Moreover, larger N400 amplitudes entailed longer fixation durations on the next word, a relation accounted for by word frequency. This pattern offers a neurophysiological correlate for the lag-word frequency effect on fixation durations: Word processing is reliably expressed not only in fixation durations on currently fixated words, but also in those on subsequently fixated words.
Author details: | Michael Dambacher, Reinhold KlieglORCiDGND |
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URN: | urn:nbn:de:kobv:517-opus-57212 |
Publication series (Volume number): | Zweitveröffentlichungen der Universität Potsdam : Humanwissenschaftliche Reihe (paper 262) |
Publication type: | Postprint |
Language: | English |
Publication year: | 2007 |
Publishing institution: | Universität Potsdam |
Release date: | 2011/12/13 |
Tag: | N400; event-related potentials (ERP); eye-movements; fixation durations; path analysis; rapid serial visual presentation (RSVP); sentence reading |
Source: | Brain Research. - ISSN 0006-8993. - 1155 (2007), S. 147-162 |
Organizational units: | Humanwissenschaftliche Fakultät / Strukturbereich Kognitionswissenschaften / Department Psychologie |
DDC classification: | 4 Sprache / 40 Sprache / 400 Sprache |
Institution name at the time of the publication: | Humanwissenschaftliche Fakultät / Institut für Psychologie |
License (German): | Keine öffentliche Lizenz: Unter Urheberrechtsschutz |
External remark: | This is a preprint of the article: Dambacher, M. ; Kliegl, R. (2007): Synchronizing timelines: Relations between fixation durations and N400 amplitudes during sentence reading. first published in: Brain Research, 1155, 147-162. DOI: doi:10.1016/j.brainres.2007.04.027 Copyright © 2007 Elsevier B.V. All rights reserved. |