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In the eye of the beholder: individual differences in reward-drive modulate early frontocentral ERPs to angry faces

Publié dansNeuropsychologia, vol. 47, no. 3, p. 825-834
Date de publication2009
Résumé

Individual differences in reward-drive have been associated with increased attention toward facial signals of aggression, heightened experience of anger and vulnerability to display aggressive behaviour. Recent fMRI research suggests that these effects rely on reduced ventromedial prefrontal (and increased amygdala) response to aggressive facial displays compared with neutral and sad expressions in subjects scoring high on reward-drive. However, nothing is known about the timing of this modulation. Using event-related potentials (ERPs), we provide the first evidence that greater proneness to display hostile and aggressive behaviour (measured by high scores on the reward-drive) is associated with a reduced midline frontocentral response to aggressive faces within 200-300ms. In addition to confirming a particular interaction between anger processing and aggression related personality traits in ventromedial prefrontal brain regions, our study brings a first indication of when their interaction occurs in the brain, strengthening results from previous classical as well as functional connectivity fMRI studies.

Mots-clés
  • Adult
  • Aggression/psychology
  • Anger/physiology
  • Electroencephalography
  • Evoked Potentials/physiology
  • Facial Expression
  • Frontal Lobe/anatomy & histology/physiology
  • Humans
  • Individuality
  • Pattern Recognition
  • Visual/physiology
  • Reaction Time/physiology
  • Reward
  • Visual Perception/physiology
  • Young Adult
Structure d'affiliation Pas une publication de l'UNIGE
Citation (format ISO)
BEDIOU, Benoît et al. In the eye of the beholder: individual differences in reward-drive modulate early frontocentral ERPs to angry faces. In: Neuropsychologia, 2009, vol. 47, n° 3, p. 825–834. doi: 10.1016/j.neuropsychologia.2008.12.012
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Article (Published version)
accessLevelRestricted
Identifiants
ISSN du journal0028-3932
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Création2017-10-24 18:52:00
Première validation2017-10-24 18:52:00
Heure de mise à jour2023-03-15 02:15:14
Changement de statut2023-03-15 02:15:14
Dernière indexation2024-01-17 01:11:04
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