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. 2017 Sep 1;55(2):e12986. doi: 10.1111/psyp.12986

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© 2017 The Authors. Psychophysiology published by Wiley Periodicals, Inc. on behalf of Society for Psychophysiological Research

This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Experiment 2. Ratio of variance in SCR signal, at low (below 0.12 Hz) and medium (0.19 Hz–0.6 Hz) stimulation rate epochs. Bar charts show variance components across epochs under the assumption of a variable gain factor. Black: Common variance, explained by a canonical SCRF across all subjects. Dark gray: Between‐subjects variance, additionally explained when using one SCRF per subject. Light gray: Between‐epochs variance, additionally explained when using one SCRF per epoch. White: Within‐epoch variance, unexplained by the LTI models. Box plots: Variance explained with one SCRF per epoch, for each epoch