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Article Dans Une Revue Biology Année : 2023

Information-Theoretic Approaches in EEG Correlates of Auditory Perceptual Awareness under Informational Masking

Résumé

In informational masking paradigms, the successful segregation between the target and masker creates auditory perceptual awareness. The dynamics of the build-up of auditory perception is based on a set of interactions between bottom–up and top–down processes that generate neuronal modifications within the brain network activity. These neural changes are studied here using event-related potentials (ERPs), entropy, and integrated information, leading to several measures applied to electroencephalogram signals. The main findings show that the auditory perceptual awareness stimulated functional activation in the fronto-temporo-parietal brain network through (i) negative temporal and positive centro-parietal ERP components; (ii) an enhanced processing of multi-information in the temporal cortex; and (iii) an increase in informational content in the fronto-central cortex. These different results provide information-based experimental evidence about the functional activation of the fronto-temporo-parietal brain network during auditory perceptual awareness.
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hal-04286358 , version 1 (19-12-2023)

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Alexandre Veyrié, Arnaud Noreña, Jean-Christophe Sarrazin, Laurent Pezard. Information-Theoretic Approaches in EEG Correlates of Auditory Perceptual Awareness under Informational Masking. Biology, 2023, 12 (7), pp.967. ⟨10.3390/biology12070967⟩. ⟨hal-04286358⟩
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