Cited by 314Face Recognition and PerceptionNeural and Behavioral Psychology StudiesMemory and Neural Mechanisms

Differential neural responses to overt and covert presentations of facial expressions of fear and disgust

Phillips, Mary L., Williams, Leanne M., Heining, Maike, Herba, Catherine M., Russell, Tamara, Andrew, Christopher, Bullmore, Ed T., Brammer, Michael J. +4 more·2004·NeuroImage

Abstract

There is debate in cognitive neuroscience whether conscious versus unconscious processing represents a categorical or a quantitative distinction. The purpose of the study was to explore this matter using functional magnetic resonance imaging (fMRI). We first established objective thresholds of the critical temporal parameters for overt and covert presentations of fear and disgust. Next we applied these stimulus parameters in an fMRI experiment to determine whether non-consciously perceived (covert) facial expressions of fear and disgust show the same double dissociation (amygdala response to fear, insula to disgust) observed with consciously perceived (overt) stimuli. A backward masking paradigm was used. In the psychophysics experiment, the following parameters were established: 30-ms target duration for the covert condition, and 170-ms target duration for the overt condition. Results of the block-design fMRI study indicated substantial differences underlying the perception of fearful and disgusted facial expressions, with significant effects of both emotion and target duration. Findings for the overt condition (170 ms) confirm previous evidence of amygdala activation to fearful faces, and insula activation to disgusted faces, and a double dissociation between these two emotions. In the covert condition (30 ms), the amygdala was not activated to fear, nor was the insula activated to disgust. Overall, findings demonstrate significant differences between the neural responses to fear and to disgust, and between the covert presentations of these two emotions. These results therefore suggest distinct neural correlates of conscious and unconscious emotion perception.

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Crossref · 10.1016/j.neuroimage.2003.12.013

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  • The pattern of response to faces depends on whether tasks require overt or covert processing of emotion.

    “The pattern of response to faces depends on whether tasks require overt or covert processing of emotion (Phillips et al., 2004).”

    From Affective Cognition and its Disruption in Mood Disorders (2011) · cites this paper as Phillips et al., 2004

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Authors
Phillips, M. L., Williams, L. M., Heining, M., Herba, C. M., Russell, T., Andrew, C., Bullmore, E. T., Brammer, M. J., Williams, S. C. R., Morgan, M., Young, A. W., & Gray, J. A.
Affiliations
  • King's College London (GB)
  • The University of Sydney (AU)
  • City, University of London (GB)
  • University of York (GB)
Corresponding author
Phillips, Mary L.
Venue
NeuroImage
Publisher
Elsevier BV
Published
2004-04
Volume
21
Issue
4
Pages
1484-1496
ISSN
1053-8119 (ISSN-L)
OpenAlex
W1983756578
Cited by
314
References
79
Citations by year
2026: 1 · 2025: 7 · 2024: 6 · 2023: 3 · 2022: 10 · 2021: 20 · 2020: 4 · 2019: 8 · 2018: 7 · 2017: 12 · 2016: 17 · 2015: 15 · 2014: 12 · 2013: 23 · 2012: 21
FWCI
9.25
Type
journal article
Language
en
Open access
closed
Locations
  • NeuroImage (publishedVersion)
  • PubMed (publishedVersion)
  • ORCA Online Research @Cardiff (Cardiff University) (submittedVersion)
  • Research Portal (King's College London) (submittedVersion)
Funders
Wellcome Trust
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Face Recognition and Perception
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
Keywords
amygdala, insula, double dissociation, emotion perception, backward masking, target duration, neural correlates of emotion
MeSH terms
Adult, Amygdala, Arousal, Brain, Brain Mapping, Cerebral Cortex, Discrimination Learning, Dominance, Cerebral, Emotions, Facial Expression, Fear, Female, Humans, Image Interpretation, Computer-Assisted, Magnetic Resonance Imaging, Male, Nerve Net, Pattern Recognition, Visual, Perceptual Masking, Psychophysics, Reaction Time, Sensory Thresholds, Subliminal Stimulation

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