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Effects of dark chocolate intake on the EEG bands in the O2-AVR lead. An increase of the Alpha and Beta AP was observed after the ingestion of a dark chocolate, after its daily intake for seven days and finally after the last intake of it at day eight. The Alpha band showed a higher percentage of change after the dark chocolate intake (* p < 0.05, n = 20, ANOVA-test). In the control group, no significant changes were observed (p > 0.05, n = 5, T-test).
