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. 2020 Sep 4;11:893. doi: 10.3389/fneur.2020.00893

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Copyright © 2020 Martini, Morris, Kelly, Hiller, Chung, Hu, Zabetian, Oakley, Poston, Mata, Edwards, Lapidus, Grabowski, Montine, Quinn and Horak.

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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Scatter plots presenting the relationships between sensorimotor inhibition (SAI) and gait domains for the PD genetic subgroups only. Lines indicate the best fit line. A higher percentage (SAI) is associated with less (i.e., worse) inhibition. Higher domain scores indicate faster pace/turning, increased rhythm (increased times for stride, stance, and swing phases), and greater variability. r is the Pearson's correlation coefficient for the relationship between SAI and relevant gait domain score. All correlations presented are significant (p < 0.05).