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Conscious and Non-conscious Representations of Emotional Faces in Asperger's Syndrome
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Association between Neuroticism and Emotional Face Processing.

Silke Klamer1, Lena Schwarz2,3, Oliver Krüger4

  • 1Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany.

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|December 17, 2017
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Summary
This summary is machine-generated.

Neuroticism is linked to heightened brain activity in the medial temporal gyrus when processing emotional faces. This neural correlate for neuroticism in face perception is similar across genders.

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Area of Science:

  • Neuroscience
  • Psychology
  • Personality Science

Background:

  • Neuroticism, a key personality trait, involves experiencing negative emotions.
  • Understanding the neural basis of how personality influences emotional processing is crucial.

Purpose of the Study:

  • To investigate the neural correlates of emotional facial expression processing in relation to neuroticism.
  • To explore potential gender differences in these neural responses.

Main Methods:

  • Functional magnetic resonance imaging (fMRI) was used to measure brain activity.
  • 68 healthy participants viewed dynamic happy, neutral, and angry facial stimuli.
  • Brain activations were correlated with neuroticism scores (NEO Five Factor Inventory).

Main Results:

  • The bilateral medial temporal gyrus (MTG) showed significant activation correlating with neuroticism scores.
  • This MTG activation was associated with processing emotional versus neutral faces.
  • Gender differences in activation strength were observed, but not in the correlation with neuroticism.

Conclusions:

  • The medial temporal gyrus is a key region in the neural processing of emotional faces, influenced by neuroticism.
  • This study provides a biological correlate for the heightened reactivity of neurotic individuals to emotional stimuli.
  • The observed neural correlates of neuroticism in face processing are consistent between males and females.