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Synchronizing timelines: relations between fixation durations and N400 amplitudes during sentence reading

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journal contribution
posted on 2016-01-25, 10:18 authored by Michael Dambacher, R. Kliegl
We examined relations between eye movements (single-fixation durations) and RSVP-based event-related potentials (ERPs; N400s) 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.

History

Citation

Brain Research, 2007, 1155, pp. 147-162

Author affiliation

/Organisation/COLLEGE OF MEDICINE, BIOLOGICAL SCIENCES AND PSYCHOLOGY/MBSP Non-Medical Departments/Neuroscience, Psychology and Behaviour

Version

  • VoR (Version of Record)

Published in

Brain Research

Publisher

Elsevier

issn

0006-8993

Acceptance date

2007-04-10

Copyright date

2007

Available date

2016-01-25

Publisher version

http://www.sciencedirect.com/science/article/pii/S0006899307008682

Language

en

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