Parallel graded attention in reading: A pupillometric study

Scientific Reports
Joshua SnellJonathan Grainger

Abstract

There are roughly two lines of theory to account for recent evidence that word processing is influenced by adjacent orthographic information. One line assumes that multiple words can be processed simultaneously through a parallel graded distribution of visuo-spatial attention. The other line assumes that attention is strictly directed to single words, but that letter detectors are connected to both foveal and parafoveal feature detectors, as such driving parafoveal-foveal integrative effects. Putting these two accounts to the test, we build on recent research showing that the pupil responds to the brightness of covertly attended (i.e., without looking) locations in the visual field. Experiment 1 showed that foveal target word processing was facilitated by related parafoveal flanking words when these were positioned to the left and right of the target, but not when these were positioned above and below the target. Perfectly in line with this asymmetry, in Experiment 2 we found that the pupil size was contingent with the brightness of the locations of horizontally but not vertically aligned flankers, indicating that attentional resources were allocated to those words involved in the parafoveal-on-foveal effect. We conclude that o...Continue Reading

References

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Jul 28, 2016·The Quarterly Journal of Experimental Psychology : QJEP·Joshua SnellJonathan Grainger
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Jul 18, 2017·Cognition·Joshua Snell, Jonathan Grainger

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Citations

Jun 22, 2020·Cognitive Science·Martijn MeeterJonathan Grainger
Jun 20, 2020·Journal of Psycholinguistic Research·Philip ThierfelderGillian Wigglesworth
Jun 3, 2018·Attention, Perception & Psychophysics·Joshua Snell, Jonathan Grainger
Feb 3, 2019·Behavior Research Methods·Ronen HershmanNoga Cohen
Oct 31, 2020·Attention, Perception & Psychophysics·Joshua SnellBernard Lété

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Software Mentioned

OpenSesame
R
lme4
PyGaze

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