Cited by 631Memory Processes and InfluencesPhilosophy and Theoretical ScienceIdentity, Memory, and Therapy

Parietal cortex and representation of the mental Self

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Lou, Hans C., Luber, Bruce, Crupain, Michael, Keenan, Julian P., Nowak, Markus, Kjaer, Troels W., Sackeim, Harold A., Lisanby, Sarah H.·2004·Proceedings of the National Academy of Sciences

Abstract

For a coherent and meaningful life, conscious self-representation is mandatory. Such explicit "autonoetic consciousness" is thought to emerge by retrieval of memory of personally experienced events ("episodic memory"). During episodic retrieval, functional imaging studies consistently show differential activity in medial prefrontal and medial parietal cortices. With positron-emission tomography, we here show that these medial regions are functionally connected and interact with lateral regions that are activated according to the degree of self-reference. During retrieval of previous judgments of Oneself, Best Friend, and the Danish Queen, activation increased in the left lateral temporal cortex and decreased in the right inferior parietal region with decreasing self-reference. Functionally, the former region was preferentially connected to medial prefrontal cortex, the latter to medial parietal. The medial parietal region may, then, be conceived of as a nodal structure in self-representation, functionally connected to both the right parietal and the medial prefrontal cortices. To determine whether medial parietal cortex in this network is essential for episodic memory retrieval with self-representation, we used transcranial magnetic stimulation over the region to transiently disturb neuronal circuitry. There was a decrease in the efficiency of retrieval of previous judgment of mental Self compared with retrieval of judgment of Other with transcranial magnetic stimulation at a latency of 160 ms, confirming the hypothesis. This network is strikingly similar to the network of the resting conscious state, suggesting that self-monitoring is a core function in resting consciousness.

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Crossref · 10.1073/pnas.0400049101

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  • The precuneus is heavily implicated in mediating interoceptive awareness and consciousness.

    “Given that the precuneus is heavily implicated in mediating interoceptive awareness and consciousness (Lou et al., 2004)”

    From Hormonal contraceptives suppress oxytocin-induced brain reward responses to the partner’s face (2016) · cites this paper as Lou et al., 2004

    The Discussion links the precuneus and medial parietal region to explicit self-representation, reflective self-awareness, and conscious self-monitoring. It does not address interoceptive awareness or bodily signals, so that part of the claim is unsupported. The paper’s account of consciousness is also more specifically about self-referential awareness than consciousness generally. (LLM, conf=0.86)

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Cited by

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Authors
Lou, H. C., Luber, B., Crupain, M., Keenan, J. P., Nowak, M., Kjaer, T. W., Sackeim, H. A., & Lisanby, S. H.
Affiliations
  • University of Copenhagen (DK)
  • Bispebjerg Hospital (DK)
  • Magnetic Brain Stimulation Laboratory, Department of Biological Psychiatry, New York State Psychiatric Institute, and Department of Psychiatry, Columbia College of Physicians and Surgeons, 1051 Riverside Drive, Unit 126, New York, NY 10032; Cyclotron and Positron Emission Tomography Center, Rigshospitalet and Department of Clinical Physiology, Bispebjerg Hospital, Copenhagen University Hospital, DK-2100 Copenhagen, Denmark; and Cognitive Neuroimaging Laboratory, Department of Psychology, Montclair...
Venue
Proceedings of the National Academy of Sciences
Published
2004-04-19
Volume
101
Issue
17
Pages
6827-6832
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2079117350
Cited by
631
References
48
Citations by year
2026: 8 · 2025: 13 · 2024: 18 · 2023: 51 · 2022: 23 · 2021: 34 · 2020: 44 · 2019: 26 · 2018: 20 · 2017: 25 · 2016: 24 · 2015: 39 · 2014: 47 · 2013: 41 · 2012: 37
FWCI
8.94
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory Processes and Influences
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Philosophy and Theoretical Science
  • Social Sciences › Psychology › Developmental and Educational Psychology › Identity, Memory, and Therapy
Keywords
self-representation, autonoetic consciousness, episodic memory retrieval, medial parietal cortex, medial prefrontal cortex, self-reference, functional connectivity, inferior parietal cortex, lateral temporal cortex, transcranial magnetic stimulation, self-monitoring, self-other judgment
MeSH terms
Adult, Cerebrovascular Circulation, Female, Humans, Male, Memory, Parietal Lobe, Self Concept

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