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Brushstrokes of the Emotional Brain: Cortical Asymmetries for Valence Dimension

  • Jennifer SorinasEmail author
  • José Manuel Ferrández Vicente
  • Eduardo Fernández-Jover
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11486)

Abstract

Understanding the neurophysiology of emotions, the neuronal structures involved in the processing of emotional information and the circuits by which they act, is key to design applications in the field of affective neuroscience, both to advance in new treatments and in applications of brain-computer interactions. With this objective, we have carried out a study of cortical asymmetries based on the spectral power and differential entropy (DE) of the electroencephalographic signal of 24 subjects stimulated with videos of positive and negative emotional content. The results have shown different interhemispheric asymmetries throughout the cortex, presenting opposite patterns for both emotional categories. In addition, increased activity has also been observed in the right hemisphere and in anterior cortical regions during emotion processing. These preliminary results are encouraging for elucidating the neuronal circuits of the emotional brain.

Keywords

Asymmetries Differential entropy EEG Emotions Valence dimension 

Notes

Acknowledgement

This work was supported in part by the Spanish National Research Program (MAT2015-69967-C3-1), the Spanish Blind Organization (ONCE), the Seneca Foundation - Agency of Science and Technology of the Region of Murcia and the Ministry of Education of Spain (FPU grant AP2013/01842).

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Institute of BioengineeringUniversity Miguel Hernández and CIBER BBN Avenida de la UniversidadElcheSpain
  2. 2.Department of Electronics and Computer TechnologyUniversity of CartagenaCartagenaSpain

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