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. 2015 May 26;3:64. doi: 10.3389/fbioe.2015.00064

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Copyright © 2015 Lazzeri, Mazzei, Greco, Rotesi, Lanatà and De Rossi.

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) or licensor 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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Statistical analysis of two features extracted from HRV and SCR during the interpretation task based on human 2D photos, human 3D models, and the physical robot. (A) HRV results. Example of an intra-subject (subject 1) and an inter-subject statistical analysis result. The mean RR feature represents the mean value of the RR distance (ms). (B) SCR results. Example of an intra-subject (subject 1) and an inter-subject statistical analysis result. The mean-phasic feature represents the mean value of the SCR signal (uSiemens).