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Differences of Functional Connectivity Brain Network in Emotional Judgment
Universitat de Vic. Grup de Recerca en Tecnologies Digitals; Universitat de Vic. Escola Politècnica Superior; International Conference on Bio-Inspired Systems and Signal Processing Biosignals 2013 ( Barcelona : 11/13-2-2013); BIOSIGNALS 2013
Using combined emotional stimuli, combining photos of faces and recording of voices, we investigated the neural dynamics of emotional judgment using scalp EEG recordings. Stimuli could be either combioned in a congruent, or a non-congruent way.. As many evidences show the major role of alpha in emotional processing, the alpha band was subjected to be analyzed. Analysis was performed by computing the synchronization of the EEGs and the conditions congruent vs. non-congruent were compared using statistical tools. The obtained results demonstrate that scalp EEG ccould be used as a tool to investigate the neural dynamics of emotional valence and discriminate various emotions (angry, happy and neutral stimuli).
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