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Jun.-Prof. Dr.-Ing. Patrique Fiedler
BMTI, Head of Data Analysis in Life Sciences
Jun.-Prof. Dr.-Ing. Patrique Fiedler
+49 3677 69 2865
Deep learning for EEG analysis is intriguing as it can utilize patterns that us humans are not even aware of. It can uncover new features and evaluate much more complex patterns in these multichannel zig-zag curves. However, deep learning is shameless in exploiting illegitimate features. When we replicated sex detection from EEG, our CNN first focused on sex differences in heart artifacts, rather than actual brain activity.
Implications: neural networks for detecting pathology from raw EEG are easily sex-biased. Recommendations: thoroughly remove artifacts, balance your dataset, and test for biases when using deep learning for EEG.
Jochmann, T., Seibel, M. S., Jochmann, E., Khan, S., Hämäläinen, M. S., & Haueisen, J.:
Sex-related patterns in the electroencephalogram and their relevance in machine learning classifiers.
(2023) Human Brain Mapping, 1– 11.
https://doi.org/10.1002/hbm.26417
Contact: Dipl.-Phys. Thomas Jochmann