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Exploring the Neural Correlates of Auditory Awareness
Stockholm University, Faculty of Social Sciences, Department of Psychology.
2018 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
Utforskning av neurala korrelat inom auditivt medvetande (Swedish)
Abstract [en]

Neural correlates of consciousness (NCCs) represent the physiological processes related to consciousness and awareness. Consciousness is theorized as a recurrent process of integration between separate but specialized brain areas. Previous research has used electroencephalography (EEG) to locate NCCs of sensory awareness in vision through event-related potentials (ERPs). Two ERP components thought to represent visual awareness are the visual awareness negativity (VAN) and late positivity (LP). VAN and LP have been extensively studied, yet little research has been conducted in other sensory modalities. In this study, the presence of an auditory awareness negativity (AAN) and associated LP is investigated in 23 subjects using EEG. To avoid false positives in data analysis, two research hypotheses were preregistered. The results indicate that auditory LP does occur, but that AAN does not, in hypothesized intervals. However, the data suggest that AAN may occur at a later interval. Possible attributes of the later interval are discussed. In sum, the data provide results consistent with recurrent theories of sensory awareness.

Place, publisher, year, edition, pages
2018. , p. 13
Keywords [en]
consciousness, awareness, audition, event-related potential, auditory awareness negativity, AAN
National Category
Psychology
Identifiers
URN: urn:nbn:se:su:diva-157188OAI: oai:DiVA.org:su-157188DiVA, id: diva2:1216811
Presentation
2018-06-07, Psykologiska institutionen, Frescati Hagväg 8, Stockholm, 13:27
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Available from: 2018-06-25 Created: 2018-06-12 Last updated: 2018-06-25Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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