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Updated: Jun 6, 2026

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Emotion Classification from Electroencephalographic Signals Using Machine Learning.

Jesus Arturo Mendivil Sauceda1, Bogart Yail Marquez1, José Jaime Esqueda Elizondo2

  • 1Tecnológico Nacional de México, Campus Tijuana. Calz del Tecnológico 12950, Tomas Aquino, Tijuana 22414, Mexico.

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|January 8, 2025
PubMed
Summary
This summary is machine-generated.

Neural networks show limited success in classifying emotions from raw Electroencephalography (EEG) signals, achieving below 40% accuracy. Advanced feature extraction is crucial for improving EEG-based emotion recognition systems.

Keywords:
Deep4NetEEGEEGNetv4ShallowFBCSPNetartificial intelligencedeep learningemotion recognitionmachine learningneural networks

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Area of Science:

  • Neuroscience
  • Computer Science
  • Artificial Intelligence

Background:

  • Emotions profoundly impact human behavior and health outcomes.
  • Electroencephalography (EEG) signal analysis offers a pathway for objective emotion recognition.
  • Advancements in emotion recognition can personalize medicine and adaptive technologies.

Purpose of the Study:

  • To evaluate ShallowFBCSPNet, Deep4Net, and EEGNetv4 for emotion classification using EEG data.
  • To assess the performance of these neural networks on the SEED-V dataset.
  • To identify challenges and opportunities in EEG-based emotion recognition.

Main Methods:

  • Utilized the SEED-V dataset with EEG recordings from 16 participants.
  • Classified five emotional states: happiness, sadness, disgust, neutrality, and fear.
  • Trained and tested three distinct neural network architectures: ShallowFBCSPNet, Deep4Net, and EEGNetv4.

Main Results:

  • ShallowFBCSPNet achieved the highest accuracy (39.13%), followed by Deep4Net (38.26%) and EEGNetv4 (25.22%).
  • Significant misclassification patterns were observed across models.
  • Performance lagged considerably behind state-of-the-art methods (e.g., ResNet18 with differential entropy at 95.61%).

Conclusions:

  • Generalizing emotional states from raw EEG signals presents significant challenges.
  • Advanced preprocessing and feature extraction techniques are essential for robust EEG-based emotion recognition.
  • This study provides foundational insights into the capabilities and limitations of current neural networks in this domain.