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. 2020 Jul 23;53(1):311–324. doi: 10.3758/s13428-020-01414-3

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© The Author(s) 2020

Open AccessThis 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 licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence 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 licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 1 — Gaze position data example. Example segments showing gaze position signals recorded at 1000 Hz during two fixations from two different participants with an SR EyeLink 1000 Plus, with its filters either turned on or turned off. The sudden changes in gaze position at 1250 ms and 1500 ms in both signals are likely microsaccades, whereas drift is visible throughout most of the rest of the signals