Personality influences the neural responses to viewing facial expressions of emotion
2011

How Personality Affects Brain Responses to Emotions in Faces

Sample size: 162 publication 10 minutes Evidence: moderate

Author Information

Author(s): Calder Andrew J., Ewbank Michael, Passamonti Luca

Primary Institution: MRC Cognition and Brain Sciences Unit, Cambridge, UK

Hypothesis

Individual differences in personality traits influence the neural response to viewing facial signals of emotion.

Conclusion

The study concludes that personality traits, particularly anxiety and reward sensitivity, significantly affect how the brain responds to emotional facial expressions.

Supporting Evidence

  • Anxiety influences the amygdala's response to facial signals of fear.
  • Individual differences in reward drive affect neural responses to angry faces.
  • Neuroimaging studies show that personality traits can account for variance in brain responses to emotional stimuli.

Takeaway

People's personalities can change how their brains react to faces showing emotions like fear or anger.

Methodology

The study reviews various neuroimaging studies that correlate personality traits with brain responses to emotional facial expressions.

Potential Biases

Potential biases in the selection of studies and the interpretation of correlational data.

Limitations

The review does not exhaustively cover all factors influencing emotional processing, such as gender or age.

Participant Demographics

The studies reviewed included both clinical and non-clinical populations, with a focus on anxiety levels.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1098/rstb.2010.0362

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