Neural evidence for lexical parafoveal processing

Yali Pan (), Steven Frisson and Ole Jensen
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Yali Pan: University of Birmingham
Steven Frisson: University of Birmingham
Ole Jensen: University of Birmingham

Nature Communications, 2021, vol. 12, issue 1, 1-9

Abstract: Abstract In spite of the reduced visual acuity, parafoveal information plays an important role in natural reading. However, competing models on reading disagree on whether words are previewed parafoveally at the lexical level. We find neural evidence for lexical parafoveal processing by combining a rapid invisible frequency tagging (RIFT) approach with magnetoencephalography (MEG) and eye-tracking. In a silent reading task, target words are tagged (flickered) subliminally at 60 Hz. The tagging responses measured when fixating on the pre-target word reflect parafoveal processing of the target word. We observe stronger tagging responses during pre-target fixations when followed by low compared with high lexical frequency targets. Moreover, this lexical parafoveal processing is associated with individual reading speed. Our findings suggest that reading unfolds in the fovea and parafovea simultaneously to support fluent reading.

Date: 2021
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DOI: 10.1038/s41467-021-25571-x

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