Emotion Analysis for Personality Inference from EEG Signals

Guozhen Zhao, Yan Ge, Biying Shen, Xingjie Wei, Hao Wang

Research output: Contribution to journalArticle

14 Citations (Scopus)
69 Downloads (Pure)

Abstract

The stable relationship between personality and EEG ensures the feasibility of personality inference from brain activities. In this paper, we recognize an individual’s personality traits by analyzing brain waves when he or she watches emotional materials. Thirty-seven participants took part in this study and watched 7 standardized film clips that characterize real-life emotional experiences and target seven discrete emotions. Features extracted from EEG signals and subjective ratings enter the SVM classifier as inputs to predict five dimensions of personality traits. Our model achieves better classification performance for Extraversion (81.08%), Agreeableness (86.11%), and Conscientiousness (80.56%) when positive emotions are elicited than negative ones, higher classification accuracies for Neuroticism (78.38-81.08%) when negative emotions, except disgust, are evoked than positive emotions, and the highest classification accuracy for Openness (83.78%) when a disgusting film clip is presented. Additionally, the introduction of features from subjective ratings increases not only classification accuracy in all five personality traits (ranging from 0.43% for Conscientiousness to 6.3% for Neuroticism) but also the discriminative power of the classification accuracies between five personality traits in each category of emotion. These results demonstrate the advantage of personality
Original languageEnglish
JournalIEEE Transactions on Affective Computing
DOIs
Publication statusPublished - 29 Dec 2017

Keywords

  • Emotion analysis
  • eeg
  • emotion regulation
  • personality inference
  • big-five personality
  • affective computing

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