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. 2020 Sep 8;11:971. doi: 10.3389/fneur.2020.00971

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Copyright © 2020 Grillini, Renken, Vrijling, Heutink and Cornelissen.

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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An in-depth overview of the oculomotor performance of three MS patients, three PD patients, and two age-matched controls. (A) Normalized spatio-temporal properties (STP). We consider an STP feature abnormal if its deviates 2 or more standard deviations from the normative value (indicated in green). (B) Normalized saccadic frequency distributions. (C) Normalized saccadic dynamics (amplitude and peak velocity), as a function of saccade direction. The results are stratified per quartile, separately for amplitude and peak velocity. Each quartile has its own normative boundaries.