Cited by 143Neural dynamics and brain functionVisual perception and processing mechanismsNeural and Behavioral Psychology Studies

Temporal dynamics of access to consciousness in the attentional blink

Kranczioch, Cornelia, Debener, Stefan, Maye, Alexander, Engel, Andreas K.·2007·NeuroImage

Abstract

Presentation of two targets in close temporal succession often results in an impairment of conscious perception for the second stimulus. Previous studies have identified several electrophysiological correlates for this so-called 'attentional blink'. Components of the event-related potential (ERP) such as the N2 and the P3, but also oscillatory brain signals have been shown to distinguish between detected and missed stimuli, and thus, conscious perception. Here we investigate oscillatory responses that specifically relate to conscious stimulus processing together with potential ERP predictors. Our results show that successful target detection is associated with enhanced coherence in the low beta frequency range, but a decrease in alpha coherence before and during target presentation. In addition, we find an inverse relation between the P3 amplitudes associated with the first and second target. We conclude that the resources allocated to first and second target processing are directly mirrored by the P3 component and, moreover, that brain states before and during stimulus presentation, as reflected by oscillatory brain activity, strongly determine the access to consciousness. Thus, becoming aware of a stimulus seems to depend on the dynamic interaction between a number of widely distributed neural processes, rather than on the modulation of one single process or component.

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Crossref · 10.1016/j.neuroimage.2007.05.044

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  • Selective attention, as measured by accuracy in an RSVP task, is closely linked to an individual's ability to update changing information over time and may also be connected to performance in P300 speller tasks.

    “Selective attention, as measured by accuracy in an RSVP task, is closely linked to an individual's ability to update changing information over time and may also be connected to performance in P300 speller tasks [20], [47], [48].”

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Authors
Kranczioch, C., Debener, S., Maye, A., & Engel, A. K.
Affiliations
  • University Medical Center Hamburg-Eppendorf (DE)
  • Royal South Hants Hospital (GB)
Corresponding author
Kranczioch, Cornelia
Venue
NeuroImage
Publisher
Elsevier BV
Published
2007-09
Volume
37
Issue
3
Pages
947-955
ISSN
1053-8119 (ISSN-L)
OpenAlex
W2146998398
Cited by
143
References
54
Citations by year
2026: 5 · 2025: 6 · 2024: 8 · 2023: 3 · 2022: 10 · 2021: 11 · 2020: 7 · 2019: 2 · 2018: 6 · 2017: 3 · 2016: 7 · 2015: 8 · 2014: 11 · 2013: 13 · 2012: 10
FWCI
3.16
Type
journal article
Language
en
Open access
closed
Locations
  • NeuroImage (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • European Commission
  • Volkswagen Foundation
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
Keywords
attentional blink, conscious perception, access to consciousness, event-related potentials, P300, N2 component, beta coherence, alpha coherence, neural oscillations, target detection, temporal dynamics
MeSH terms
Adolescent, Adult, Attention, Biological Clocks, Blinking, Brain, Consciousness, Electroencephalography, Evoked Potentials, Visual, Female, Humans, Male, Photic Stimulation

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