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Detecting Depression Using Single-Channel EEG and Graph Methods

Author

Listed:
  • Guohun Zhu

    (School of Information Technology and Electrical Engineering, The University of Queensland, Brisbane 4072, Australia)

  • Tong Qiu

    (School of Information Technology and Electrical Engineering, The University of Queensland, Brisbane 4072, Australia)

  • Yi Ding

    (School of Information Technology and Electrical Engineering, The University of Queensland, Brisbane 4072, Australia)

  • Shang Gao

    (School of Information Technology and Electrical Engineering, The University of Queensland, Brisbane 4072, Australia)

  • Nan Zhao

    (School of Information Technology and Electrical Engineering, The University of Queensland, Brisbane 4072, Australia)

  • Feng Liu

    (School of Information Technology and Electrical Engineering, The University of Queensland, Brisbane 4072, Australia)

  • Xujuan Zhou

    (School of Business, The University of Southern Queensland, Toowoomba 4350, Australia)

  • Raj Gururajan

    (School of Business, The University of Southern Queensland, Toowoomba 4350, Australia
    School of Computing, SRM Institute of Science and Technology, Chennai 603202, India)

Abstract

Objective: This paper applies graph methods to distinguish major depression disorder (MDD) and healthy (H) subjects using the graph features of single-channel electroencephalogram (EEG) signals. Methods: Four network features—graph entropy, mean degree, degree two, and degree three—were extracted from the 19-channel EEG signals of 64 subjects (26 females and 38 males), and then these features were forwarded to a support vector machine to conduct depression classification based on the eyes-open and eyes-closed statuses, respectively. Results: Statistical analysis showed that graph features with degree of two and three, the graph entropy of MDD was significantly lower than that for H ( p < 0.0001). Additionally, the accuracy of detecting MDD using single-channel T4 EEG with leave-one-out cross-validation from H was 89.2% and 92.0% for the eyes-open and eyes-closed statuses, respectively. Conclusion: This study shows that the graph features of a short-term EEG can help assess and evaluate MDD. Thus, single-channel EEG signals can be used to detect depression in subjects. Significance: Graph feature analysis discovered that MDD is more related to the temporal lobe than the frontal lobe.

Suggested Citation

  • Guohun Zhu & Tong Qiu & Yi Ding & Shang Gao & Nan Zhao & Feng Liu & Xujuan Zhou & Raj Gururajan, 2022. "Detecting Depression Using Single-Channel EEG and Graph Methods," Mathematics, MDPI, vol. 10(22), pages 1-9, November.
  • Handle: RePEc:gam:jmathe:v:10:y:2022:i:22:p:4177-:d:966784
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