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. 2019 Apr 1;9:5395. doi: 10.1038/s41598-019-41857-z

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© The Author(s) 2019

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Relation between judgment and interception. Blue symbols show effects of forward saccades. Green symbols show effects of backward saccades. (a) Effects of corrective saccades on individual velocity judgments and interception errors. (b) Effects of corrective saccades on interception errors when only considering trials in which the corrective saccades occurred within the indicated time windows. The filled dots show the interception error for trials in which saccades occurred between 100 and 200 ms before the tap. The empty dots show the error when saccades occurred between 200 and 300 ms before the tap. Both are compared with errors when there were no saccades (pursuit condition; dashed line). Error bars show the 95% confidence interval estimated using bootstrapping. (c) Effects of corrective saccades on ‘faster’ judgments for equivalent time windows to those used for the interception task. Note here that as there was no tap in the judgment task, we used the average time until tap for each participant in the interception task to align the time windows in a similar manner. The shaded lines at the edges of the figure show the effects of corrective saccades happening during the last 100 ms before the end of the presentation. Probabilities are expressed as differences from those in the pure pursuit condition. Values are averages across the three target velocities. The error bars represent 95% confidence intervals based on the variability across participants.