Are individual differences in reading speed related to extrafoveal visual acuity and crowding?

PloS One
Romy FrömerWerner Sommer

Abstract

Readers differ considerably in their speed of self-paced reading. One factor known to influence fixation durations in reading is the preprocessing of words in parafoveal vision. Here we investigated whether individual differences in reading speed or the amount of information extracted from upcoming words (the preview benefit) can be explained by basic differences in extrafoveal vision--i.e., the ability to recognize peripheral letters with or without the presence of flanking letters. Forty participants were given an adaptive test to determine their eccentricity thresholds for the identification of letters presented either in isolation (extrafoveal acuity) or flanked by other letters (crowded letter recognition). In a separate eye-tracking experiment, the same participants read lists of words from left to right, while the preview of the upcoming words was manipulated with the gaze-contingent moving window technique. Relationships between dependent measures were analyzed on the observational level and with linear mixed models. We obtained highly reliable estimates both for extrafoveal letter identification (acuity and crowding) and measures of reading speed (overall reading speed, size of preview benefit). Reading speed was highe...Continue Reading

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Citations

Apr 8, 2020·Frontiers in Psychology·Sebastian P KorinthChristian J Fiebach
May 27, 2021·Journal of Vision·Inês S VeríssimoChristian N L Olivers
Jul 21, 2021·Journal of Vision·Christoph Huber-HuberDavid Melcher
Jun 25, 2021·Annual Review of Vision Science·Jason D Yeatman, Alex L White

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Software Mentioned

R system for statistical computing
lmer
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