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. 2018 Dec 3;9:1029. doi: 10.3389/fneur.2018.01029

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Copyright © 2018 Wang, Baird, Huang, Coutinho, Brien and Munoz.

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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Trial-by-trial relationship between subjective arousal and task-evoked pupil size, HR, and GSR. Individual normalized beta values from logistic regression analyses for pupil size, HR, and GSR on arousal rating (N = 23). The large-circle represents the mean value across participants. The error-bar represents ± standard error across participants. The colored small-dot represents mean value for each participant. HR, heart rate; GSR, galvanic skin response; n.s., not statistically significant.