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- W2997247152 abstract "Machine Learning (ML) approaches have been fruitfully applied to several classification problems of neurophysiological activity. Considering the relevance of emotion in human cognition and behaviour, ML found an important application field in emotion identification based on neurophysiological activity. Nonetheless, the literature results present a high variability depending on the neuronal activity measurement, the signal features and the classifier type. The present work aims to provide new methodological insight on ML applied to emotion identification based on electrophysiological brain activity. For this reason, we recorded EEG activity while emotional stimuli, high and low arousal (auditory and visual) were provided to a group of healthy participants. Our target signal to classify was the pre-stimulus onset brain activity. Classification performance of three different classifiers (LDA, SVM and kNN) was compared using both spectral and temporal features. Furthermore, we also contrasted the classifiers performance with static and dynamic (time evolving) features. The results show a clear increased in classification accuracy with temporal dynamic features. In particular, the SVM classifiers with temporal features showed the best accuracy (63.8 %) in classifying high vs. low arousal auditory stimuli." @default.
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- W2997247152 date "2019-12-25" @default.
- W2997247152 modified "2023-09-26" @default.
- W2997247152 title "EEG Signal Classification: An Application to the Emotion Related Brain Anticipatory Activity" @default.
- W2997247152 doi "https://doi.org/10.20944/preprints201912.0340.v1" @default.
- W2997247152 hasPublicationYear "2019" @default.
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