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Zoekopdracht: faculteit: "UvA" en publicatiejaar: "2011"

AuteursM.E. Kret, J. Denollet, J. Grèzes, B. de Gelder
TitelThe role of negative affectivity and social inhibition in perceiving social threat: an fMRI study
FaculteitOther than UvA
SamenvattingPersonality is associated with specific emotion regulation styles presumably linked with unique brain activity patterns. By using functional magnetic resonance imaging (fMRI) in 26 individuals, the neural responses to threatening (fearful and angry) facial and bodily expressions were investigated in relation to negative affectivity and social inhibition. A negative correlation was observed between negative affectivity and activation of the amygdala, fusiform gyrus, insula and hippocampus. Increased activation following threatening stimuli was observed in the left temporo-parietal junction and right extrastriate body area correlating with more social inhibition traits. Interestingly, the orbitofrontal cortex, superior temporal sulcus, inferior frontal gyrus (Brodmann area 45) and temporal pole correlated negatively with negative affectivity and positively with social inhibition. Whereas individuals with increased negative affectivity tend to de-activate the core emotion system, socially inhibited people tend to over-activate a broad cortical network. Our findings demonstrate effects of personality traits on the neural coding of threatening signals.
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