Cited by 42Neural and Behavioral Psychology StudiesVisual perception and processing mechanismsPhilosophy and Theoretical Science

Maintenance of non-consciously presented information engages the prefrontal cortex

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Bergström, Fredrik, Eriksson, Johan·2014·Frontiers in Human Neuroscience

Abstract

Conscious processing is generally seen as required for flexible and willful actions, as well as for tasks that require durable information maintenance. Here we present research that questions the assumption that only consciously perceived information is durable (>500 ms). Using the attentional blink (AB) phenomenon, we rendered otherwise relatively clearly perceived letters non-conscious. In a first experiment we systematically manipulated the delay between stimulus presentation and response, for the purpose of estimating the durability of non-conscious perceptual representations. For items reported not seen, we found that behavioral performance was better than chance across intervals up to 15 s. In a second experiment we used fMRI to investigate the neural correlates underlying the maintenance of non-conscious perceptual representations. Critically, the relatively long delay period demonstrated in experiment 1 enabled isolation of the signal change specifically related to the maintenance period, separate from stimulus presentation and response. We found sustained BOLD signal change in the right mid-lateral prefrontal cortex, orbitofrontal cortex, and crus II of the cerebellum during maintenance of non-consciously perceived information. These findings are consistent with the controversial claim that working-memory mechanisms are involved in the short-term maintenance of non-conscious perceptual representations.

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  • Cognitive capacities indicated by nonverbal behavior alone are generally not sufficient to demonstrate conscious awareness.

    “However, because not all cognitive processing leads to conscious experience (52, 58-62), cognitive capacities indicated by nonverbal behavior alone are generally not sufficient to demonstrate conscious awareness”

    From A higher-order theory of emotional consciousness (2017) · cites this paper as [61]

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Authors
Bergström, F., & Eriksson, J.
Affiliations
Umeå University (SE)
Venue
Frontiers in Human Neuroscience
Published
2014-11-21
Volume
8
Pages
938-938
ISSN
1662-5161 (ISSN-L)
OpenAlex
W2136747005
Cited by
42
References
75
Citations by year
2025: 5 · 2024: 1 · 2023: 2 · 2022: 4 · 2021: 3 · 2020: 4 · 2019: 6 · 2018: 3 · 2017: 4 · 2016: 5 · 2015: 5
FWCI
2.60
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Frontiers in Human Neuroscience (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DiVA at Umeå University (Umeå University) (submittedVersion, other-oa)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Torsten Söderbergs Stiftelse
  • Fondation pour la Recherche Médicale
  • Knut och Alice Wallenbergs Stiftelse
  • Vetenskapsrådet
  • Umeå Universitet
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Philosophy and Theoretical Science
Keywords
attentional blink, information maintenance, prefrontal cortex, orbitofrontal cortex, cerebellar Crus II, working memory, short-term memory, BOLD signal, visual perception

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