The maturing architecture of the brain's default network

Damien Fair, Alexander L. Cohen, Nico U F Dosenbach, Jessica A. Church, Francis M. Miezin, Deanna M. Barch, Marcus E. Raichle, Steven E. Petersen, Bradley L. Schlaggar

Research output: Contribution to journalArticle

822 Citations (Scopus)

Abstract

In recent years, the brains "default network," a set of regions characterized by decreased neural activity during goal-oriented tasks, has generated a significant amount of interest, as well as controversy. Much of the discussion has focused on the relationship of these regions to a "default mode" of brain function. In early studies, investigators suggested that, the brain's default mode supports "self-referential" or "introspective" mental activity. Subsequently, regions of the default network have been more specifically related to the "internal narrative," the "autobiographical self," "stimulus independent thought," "mentalizing," and most recently "self-projection." However, the extant literature on the function of the default network is limited to adults, i.e., after the system has reached maturity. We hypothesized that further insight into the network's functioning could be achieved by characterizing its development. In the current study, we used resting-state functional connectivity MRI (rs-fcMRI) to characterize the development of the brain's default network. We found that the default regions are only sparsely functionally connected at early school age (7-9 years old); over development, these regions integrate into a cohesive, interconnected network.

Original languageEnglish (US)
Pages (from-to)4028-4032
Number of pages5
JournalProceedings of the National Academy of Sciences of the United States of America
Volume105
Issue number10
DOIs
StatePublished - Mar 25 2008
Externally publishedYes

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Brain
Theory of Mind
Research Personnel
Magnetic Resonance Imaging

Keywords

  • Connectivity
  • Development
  • fMRI
  • Functional

ASJC Scopus subject areas

  • Genetics
  • General

Cite this

Fair, D., Cohen, A. L., Dosenbach, N. U. F., Church, J. A., Miezin, F. M., Barch, D. M., ... Schlaggar, B. L. (2008). The maturing architecture of the brain's default network. Proceedings of the National Academy of Sciences of the United States of America, 105(10), 4028-4032. https://doi.org/10.1073/pnas.0800376105

The maturing architecture of the brain's default network. / Fair, Damien; Cohen, Alexander L.; Dosenbach, Nico U F; Church, Jessica A.; Miezin, Francis M.; Barch, Deanna M.; Raichle, Marcus E.; Petersen, Steven E.; Schlaggar, Bradley L.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 105, No. 10, 25.03.2008, p. 4028-4032.

Research output: Contribution to journalArticle

Fair, D, Cohen, AL, Dosenbach, NUF, Church, JA, Miezin, FM, Barch, DM, Raichle, ME, Petersen, SE & Schlaggar, BL 2008, 'The maturing architecture of the brain's default network', Proceedings of the National Academy of Sciences of the United States of America, vol. 105, no. 10, pp. 4028-4032. https://doi.org/10.1073/pnas.0800376105
Fair, Damien ; Cohen, Alexander L. ; Dosenbach, Nico U F ; Church, Jessica A. ; Miezin, Francis M. ; Barch, Deanna M. ; Raichle, Marcus E. ; Petersen, Steven E. ; Schlaggar, Bradley L. / The maturing architecture of the brain's default network. In: Proceedings of the National Academy of Sciences of the United States of America. 2008 ; Vol. 105, No. 10. pp. 4028-4032.
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