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Modality-specific and modality-general electrophysiological correlates of visual and auditory awareness: Evidence from a bimodal ERP experiment
Department of Psychology, University of Turku, Finland.
Turku Brain and Mind Centre, University of Turku, Finland ; Department of Clinical Neurophysiology, University of Turku, Finland.
University of Skövde, School of Bioscience. University of Skövde, Systems Biology Research Environment. (Kognitiv neurovetenskap och filosofi, Consciousness and Cognitive Neuroscience)ORCID iD: 0000-0002-2771-1588
Department of Psychology, University of Turku, Finland ; Turku Brain and Mind Centre, University of Turku, Finland.
2022 (English)In: Neuropsychologia, ISSN 0028-3932, E-ISSN 1873-3514, Vol. 166, article id 108154Article in journal (Refereed) Published
Abstract [en]

To date, most studies on the event-related potential (ERP) correlates of conscious perception have examined a single perceptual modality. We compared electrophysiological correlates of visual and auditory awareness in the same experiment to test whether there are modality-specific and modality-general correlates of conscious perception. We used near threshold stimulation and analyzed event-related potentials in response to aware and unaware trials in visual, auditory and bimodal conditions. The results showed modality-specific negative amplitude correlates of conscious perception between 200 and 300 ms after stimulus onset. A combination of these auditory and visual awareness negativities was observed in the bimodal condition. A later positive amplitude difference, whose early part was modality-specific, possibly reflecting access to global workspace, and later part shared modality-general features, possibly indicating higher level cognitive processing involving the decision making, was also observed.

Place, publisher, year, edition, pages
Elsevier, 2022. Vol. 166, article id 108154
Keywords [en]
Auditory, Auditory awareness negativity, Awareness, Bimodal, Consciousness, Electroencephalography, Late positivity, Threshold, Visual, Visual awareness negativity, article, controlled study, decision making, event related potential, human, human experiment, perception
National Category
Psychology Neurosciences
Research subject
Consciousness and Cognitive Neuroscience
Identifiers
URN: urn:nbn:se:his:diva-20862DOI: 10.1016/j.neuropsychologia.2022.108154ISI: 000767289300001PubMedID: 35016890Scopus ID: 2-s2.0-85122544309OAI: oai:DiVA.org:his-20862DiVA, id: diva2:1630335
Note

CC BY 4.0

© 2022 The Authors

Corresponding author: Department of Psychology, University of Turku, 20014, Turku, Finland. E-mail address: dmitri.d.filimonov@utu.fi (D. Filimonov).

This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.

Available from: 2022-01-20 Created: 2022-01-20 Last updated: 2022-04-27Bibliographically approved

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Revonsuo, Antti

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