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

@article{citeulike:2724061, abstract = {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.}, address = {Helmholtz Center for the Study of Mind and Brain Dynamics, University of Potsdam, Germany. michael.dambacher@uni-potsdam.de}, author = {Dambacher, M. and Kliegl, R. }, citeulike-article-id = {2724061}, doi = {http://dx.doi.org/10.1016/j.brainres.2007.04.027}, issn = {0006-8993}, journal = {Brain research}, keywords = {eeg, erp, eye-movement, fixation\_duration, n400, reading}, month = {June}, pages = {147--162}, posted-at = {2008-04-27 16:00:02}, priority = {0}, title = {Synchronizing timelines: relations between fixation durations and N400 amplitudes during sentence reading.}, url = {http://dx.doi.org/10.1016/j.brainres.2007.04.027}, volume = {1155}, year = {2007} }

TY - JOUR ID - citeulike:2724061 L3 - citeulike-article-id:2724061 TI - Synchronizing timelines: relations between fixation durations and N400 amplitudes during sentence reading. JF - Brain research VL - 1155 SP - 147 EP - 162 AD - Helmholtz Center for the Study of Mind and Brain Dynamics, University of Potsdam, Germany. michael.dambacher@uni-potsdam.de SN - 0006-8993 N2 - 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. KW - eeg KW - erp KW - eye-movement KW - fixation_duration KW - n400 KW - reading AU - Dambacher, M AU - Kliegl, R PY - 2007/06/25/ UR - http://dx.doi.org/10.1016/j.brainres.2007.04.027 ER -