Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Visual awareness negativity is an early neural correlate of awareness: A preregistered study with two Gabor sizes
Stockholm University, Faculty of Social Sciences, Department of Psychology, Perception and psychophysics.ORCID iD: 0000-0001-9924-5486
Stockholm University, Faculty of Social Sciences, Department of Psychology, Perception and psychophysics.ORCID iD: 0000-0003-4531-4313
2018 (English)In: Cognitive, Affective, & Behavioral Neuroscience, ISSN 1530-7026, E-ISSN 1531-135X, Vol. 18, no 1, p. 176-188Article in journal (Refereed) Published
Abstract [en]

Electrophysiological recordings are commonly used to study the neural correlates of consciousness in humans. Previous research is inconsistent as to whether awareness can be indexed with visual awareness negativity (VAN) at about 200 ms or if it occurs later. The present study was preregistered with two main aims: First, to provide independent evidence for or against the presence of VAN, and second, to study whether stimulus size may account for the inconsistent findings. Subjects were shown low-contrast Gaussian filtered gratings (Gabor patches) in the four visual quadrants. Gabor size (large and small) was varied in different sessions and calibrated to each subject’s threshold of visual awareness. Event-related potentials were derived from trials in which subjects localized the Gabors correctly to capture the difference between trials in which they reported awareness versus no awareness. Bayesian analyses revealed very strong evidence for the presence of VAN for both Gabor sizes. However, there was no evidence for or against an effect of stimulus size. The present findings provide evidence for VAN as an early neural correlate of awareness.

Place, publisher, year, edition, pages
2018. Vol. 18, no 1, p. 176-188
Keywords [en]
visual awareness, event-related potentials, visual awareness negativity, late positivity, Gabor size
National Category
Psychology (excluding Applied Psychology)
Research subject
Psychology
Identifiers
URN: urn:nbn:se:su:diva-152248DOI: 10.3758/s13415-018-0562-zISI: 000425984100014OAI: oai:DiVA.org:su-152248DiVA, id: diva2:1178494
Available from: 2018-01-29 Created: 2018-01-29 Last updated: 2018-04-03Bibliographically approved

Open Access in DiVA

No full text in DiVA

Other links

Publisher's full text

Search in DiVA

By author/editor
Eklund, RasmusWiens, Stefan
By organisation
Perception and psychophysics
In the same journal
Cognitive, Affective, & Behavioral Neuroscience
Psychology (excluding Applied Psychology)

Search outside of DiVA

GoogleGoogle Scholar

doi
urn-nbn

Altmetric score

doi
urn-nbn
Total: 227 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf