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. 2021 Jun 7;12:617889. doi: 10.3389/fpsyg.2021.617889

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Copyright © 2021 Sahar, Elbaum, Wagner, Musicant, Hirsh and Shoval.

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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The plots illustrate the significant LMM models described in Table 1. Higher x-axis values (-g) represent a higher braking intensity in this figure. (A–C) Ln-transformed grip force [Ln(N)], (A) mean grip force, (B) maximal grip force, and (C) standard deviation of grip force, as a function of braking intensity (–g). (D) Ln-transformed HR [Ln(BPM)] as a function of braking intensity (–g). (E) Ln-transformed HRV LF/HF as a function of braking intensity (–g). Gray dots represent observations. Black dots represent the mean of each binned group of observations (according to deceleration), with 95% confidence interval. The blue line represents smoothed conditional means using lm smoothing.