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Auditory awareness negativity is an electrophysiological correlate of awareness in an auditory threshold task
Stockholm University, Faculty of Social Sciences, Department of Psychology.
Stockholm University, Faculty of Social Sciences, Department of Psychology.ORCID iD: 0000-0003-4531-4313
Number of Authors: 22019 (English)In: Consciousness and Cognition, ISSN 1053-8100, E-ISSN 1090-2376, Vol. 71, p. 70-78Article in journal (Refereed) Published
Abstract [en]

One theory of visual awareness proposes that electrophysiological activity related to awareness occurs in primary visual areas approximately 200 ms after stimulus onset (visual awareness negativity: VAN) and in fronto-parietal areas about 300 ms after stimulus onset (late positivity: LP). Although similar processes might be involved in auditory awareness, only sparse evidence exists for this idea. In the present study, we recorded electrophysiological activity while subjects listened to tones that were presented at their own awareness threshold. The difference in electrophysiological activity elicited by tones that subjects reported being aware of versus unaware of showed an early negativity about 200 ms and a late positivity about 300 ms after stimulus onset. These results closely match those found in vision and provide convincing evidence for an early negativity (auditory awareness negativity: AAN), as well as an LP. These findings suggest that theories of visual awareness are also applicable to auditory awareness.

Place, publisher, year, edition, pages
2019. Vol. 71, p. 70-78
Keywords [en]
Awareness, Consciousness, Auditory, Electroencephalography, Threshold, Auditory awareness negativity, Late positivity
National Category
Psychology
Research subject
Psychology
Identifiers
URN: urn:nbn:se:su:diva-169269DOI: 10.1016/j.concog.2019.03.008ISI: 000466834200006PubMedID: 30928900OAI: oai:DiVA.org:su-169269DiVA, id: diva2:1322953
Available from: 2019-06-11 Created: 2019-06-11 Last updated: 2019-09-12Bibliographically approved
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CiteExportLink to record
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