Myron Tsikandilakis
Target meta-awareness is a necessary condition for physiological responses to masked emotional faces: Evidence from combined skin conductance and heart rate assessment
Tsikandilakis, Myron; Chapman, Peter; Peirce, Jonathan
Authors
PETER CHAPMAN PETER.CHAPMAN@NOTTINGHAM.AC.UK
Associate Professor
JONATHAN PEIRCE JONATHAN.PEIRCE@NOTTINGHAM.AC.UK
Professor of Psychology Research Methods
Abstract
© 2017 Elsevier Inc. Much heated debate surrounds the extent to which we can process emotional stimuli without awareness. In particular the extent to which masked emotional faces can elicit changes in physiology measurements, such as heart rate and skin conductance responses, has produced controversial findings. In the present study, we aimed to determine whether briefly presented faces can elicit physiological changes and, specifically, whether this is due to unconscious processing. We measured and adjusted for individual differences in the detection threshold using both receiver operating characteristics and hit rates. For this we also used a strict Bayesian assessment of participant thresholds. We then measured physiological responses to threshold adjusted emotional faces and for hits, misses and post-binary subdivisions of target meta-awareness. Our findings based on receiver operating characteristics revealed that, when faces were successfully masked there were no significant physiological differences in response to stimuli with different emotional connotations. In contrast, when targets were masked based on hit rates we did find physiological responses to masked emotional faces. With further analysis we found that this effect was specific to correct detection of angry and fearful faces and that increases in experienced arousal were associated with higher confidence ratings for correct detection of these stimuli. Collectively, our results do not support the notion of unconscious processing when using markers of physiological processes. Rather they suggest that target meta-awareness is a necessary condition for – and possibly determined by – physiological changes in response to masked emotional faces.
Citation
Tsikandilakis, M., Chapman, P., & Peirce, J. (2018). Target meta-awareness is a necessary condition for physiological responses to masked emotional faces: Evidence from combined skin conductance and heart rate assessment. Consciousness and Cognition, 58, 75-89. https://doi.org/10.1016/j.concog.2017.10.013
Journal Article Type | Article |
---|---|
Acceptance Date | Oct 18, 2017 |
Online Publication Date | Nov 26, 2017 |
Publication Date | Feb 1, 2018 |
Deposit Date | Oct 30, 2017 |
Publicly Available Date | Nov 27, 2018 |
Journal | Consciousness and Cognition |
Print ISSN | 1053-8100 |
Electronic ISSN | 1090-2376 |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 58 |
Pages | 75-89 |
DOI | https://doi.org/10.1016/j.concog.2017.10.013 |
Keywords | masked, emotion, skin conductance, heart rate |
Public URL | https://nottingham-repository.worktribe.com/output/962883 |
Publisher URL | https://www.sciencedirect.com/science/article/pii/S1053810017302118 |
Additional Information | This article is maintained by: Elsevier; Article Title: Target meta-awareness is a necessary condition for physiological responses to masked emotional faces: Evidence from combined skin conductance and heart rate assessment; Journal Title: Consciousness and Cognition; CrossRef DOI link to publisher maintained version: https://doi.org/10.1016/j.concog.2017.10.013; Content Type: article; Copyright: © 2017 Elsevier Inc. All rights reserved. |
Contract Date | Oct 30, 2017 |
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Copyright Statement
Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by-nc-nd/4.0
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