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. 2026 Jan 22;16:1702050. doi: 10.3389/fneur.2025.1702050

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Copyright © 2026 Popovic, Gilman Kuric, Rajkovaca Latic, Matosa, Kusic, de Gobbis, Sadikov, Groznik, Georgiev and Tomic.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Bar graph comparing early-stage Parkinson's disease (PD) and healthy controls across several tasks. Outcomes measured include differences in correct hits forward and backward, number of correct hits in various tasks, and highest levels reached. The graph shows error bars for standard error of the mean (SEM) or interquartile range (IQR), with individual values represented by dots. P-values indicate statistical significance for group comparisons, with key differences observed in categories like the total number of correct hits. Healthy controls generally perform better, highlighted by higher bars in several categories. — Comparison of parameters of visually guided memory saccades between patients with early-stage PD and healthy controls.