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. 2021 Oct 24;26(6):1379–1394. doi: 10.1177/13623613211050176

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© The Author(s) 2021

This article is distributed under the terms of the Creative Commons Attribution 4.0 License (https://creativecommons.org/licenses/by/4.0/) which permits any use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 6. — Mean heart rate variability (root mean square of the successive differences, RMSSD) across the baseline, Active-Change and Passive-Change conditions.

Error bars represent the standard error.

Higher HRV indicates the low arousal.

*p < 0.05.