Cited by 91Schizophrenia research and treatmentMental Health and PsychiatryNeural dynamics and brain function

The self and its prolonged intrinsic neural timescale in schizophrenia

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Northoff, Georg, Sandsten, Karl Erik, Nordgaard, Julie, Kjaer, Troels Wesenberg, Parnas, Josef·2021·Schizophrenia Bulletin

Abstract

Schizophrenia (SCZ) can be characterized as a basic self-disorder that is featured by abnormal temporal integration on phenomenological (experience) and psychological (information processing) levels. Temporal integration on the neuronal level can be measured by the brain’s intrinsic neural timescale using the autocorrelation window (ACW) and power-law exponent (PLE). Our goal was to relate intrinsic neural timescales (ACW, PLE), as a proxy of temporal integration on the neuronal level, to temporal integration related to self-disorder on psychological (Enfacement illusion task in electroencephalography) and phenomenological (Examination of Anomalous Self-Experience [EASE]) levels. SCZ participants exhibited prolonged ACW and higher PLE during the self-referential task (Enfacement illusion), but not during the non-self-referential task (auditory oddball). The degree of ACW/PLE change during task relative to rest was significantly reduced in self-referential task in SCZ. A moderation model showed that low and high ACW/PLE exerted differential impact on the relationship of self-disorder (EASE) and negative symptoms (PANSS). In sum, we demonstrate abnormal prolongation in intrinsic neural timescale during self-reference in SCZ including its relation to basic self-disorder and negative symptoms. Our results point to abnormal relation of self and temporal integration at the core of SCZ constituting a “common currency” of neuronal, psychological, and phenomenological levels.

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Authors
Northoff, G., Sandsten, K. E., Nordgaard, J., Kjaer, T. W., & Parnas, J.
Affiliations
  • University of Ottawa (CA)
  • Region Zealand (DK)
  • Mental Health Center Amager, Copenhagen, Denmark
  • Department of Neurology, University Hospital Zealand, Roskilde, Denmark
  • University of Copenhagen (DK)
Corresponding author
Northoff, Georg
Venue
Schizophrenia Bulletin
Published
2020-07-02
Volume
47
Issue
1
Pages
170-179
ISSN
  • 0586-7614 (ISSN-L)
  • 1745-1701
OpenAlex
W3039937961
Cited by
91
References
87
Citations by year
2026: 21 · 2025: 19 · 2024: 10 · 2023: 11 · 2022: 17 · 2021: 8 · 2020: 5
FWCI
7.48
Type
journal article
Language
en
Open access
Locations
  • Schizophrenia Bulletin (publishedVersion)
  • PubMed Central (publishedVersion)
  • Research at the University of Copenhagen (University of Copenhagen) (publishedVersion, other-oa)
  • PubMed (publishedVersion)
Funders
  • Mental Health Centre Zhejiang University in Hangzhou
  • Canada-UK Artificial Intelligence
  • Canadian Institute of Health Research
  • Region Zealand Psychiatry
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
  • Social Sciences › Arts and Humanities › Philosophy › Mental Health and Psychiatry
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
Keywords
schizophrenia, intrinsic neural timescales
MeSH terms
Facial Recognition, Adult, Cerebral Cortex, Ego, Electroencephalography, Female, Humans, Illusions, Male, Neuropsychological Tests, Schizophrenia, Young Adult, Functional Neuroimaging, Cognitive Dysfunction

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