ArticleScientific reports2020
A robust electrophysiological marker of spontaneous numerical discrimination.
Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Novelty, Category and Orientation Tuning for Printed Characters: A Magnetoencephalography Study with Fast Periodic Visual Stimulation.Brain topography · 2026Article
- Color number and texture perception.Journal of the Optical Society of America. A, Optics, image science, and vision · 2025Article
- Identifying conceptual neural responses to symbolic numerals.Proceedings. Biological sciences · 2024Article
- Article
- A shared numerical magnitude representation evidenced by the distance effect in frequency-tagging EEG.Scientific reports · 2022Article
- Automatic integration of numerical formats examined with frequency-tagged EEG.Scientific reports · 2021Article
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Authors and funding
3 authors.
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Abstract
Humans have a Number Sense that enables them to represent and manipulate numerical quantities. Behavioral data suggest that the acuity of numerical discrimination is predictively associated with math ability-especially in children-but some authors argued that its assessment is problematic. In the present study, we used frequency-tagged electroencephalography to objectively measure spontaneous numerical discrimination during passive viewing of dot or picture arrays in healthy adults. During 1-min sequences, we introduced periodic numerosity changes and we progressively increased the magnitude of such changes every ten seconds. We found significant brain synchronization to the periodic numerosity changes from the 1.2 ratio over medial occipital regions, and amplitude strength increased with the numerical ratio. Brain responses were reliable across both stimulus formats. Interestingly, electrophysiological responses also mirrored performances on a number comparison task and seemed to be linked to math fluency. In sum, we present a neural marker of numerical acuity that is passively evaluated in short sequences, independent of stimulus format and that reflects behavioural performances on explicit number comparison tasks.
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