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August 20, 2025Scientific ReportsOpen Access

Pre-saccadic Attention (and not Arousal) modulates the Size-Eccentricity Effect

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Authors

JLJad LaaboudiABAnne Hillairet de BoisferonCPCéline Paeye

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Overview

Experimental analysis shows pre-saccadic attention alters size-eccentricity effect in visual perception, suggesting enhanced processing mechanisms.

Key Points

  • Participants initiating saccades showed a reduced size-eccentricity effect, indicating attention's role in visual perception.
  • In trials without saccades, peripheral objects appeared smaller than central ones, demonstrating the size-eccentricity effect.
  • The study involved a judgment task comparing sizes of disks in peripheral and foveal vision, measuring attention's influence.
  • Results suggest that pre-saccadic attention contributes significantly to visual processing, particularly in peripheral vision.

Cite This Study

Laaboudi et al. (2025) studied this question.

synapsesocial.com/papers/68af4cdfad7bf08b1ead67f8https://doi.org/10.1038/s41598-025-13968-3
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