Cited by 92Functional Brain Connectivity StudiesMind wandering and attentionNeural dynamics and brain function

Task-Induced Deactivation from Rest Extends beyond the Default Mode Brain Network

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Harrison, Ben J., Pujol, Jesus, Contreras-Rodríguez, Oren, Soriano-Mas, Carles, López-Solà, Marina, Deus, Joan, Ortiz, Hector, Blanco-Hinojo, Laura +4 more·2011·PLoS ONE

Abstract

Activity decreases, or deactivations, of midline and parietal cortical brain regions are routinely observed in human functional neuroimaging studies that compare periods of task-based cognitive performance with passive states, such as rest. It is now widely held that such task-induced deactivations index a highly organized 'default-mode network' (DMN): a large-scale brain system whose discovery has had broad implications in the study of human brain function and behavior. In this work, we show that common task-induced deactivations from rest also occur outside of the DMN as a function of increased task demand. Fifty healthy adult subjects performed two distinct functional magnetic resonance imaging tasks that were designed to reliably map deactivations from a resting baseline. As primary findings, increases in task demand consistently modulated the regional anatomy of DMN deactivation. At high levels of task demand, robust deactivation was observed in non-DMN regions, most notably, the posterior insular cortex. Deactivation of this region was directly implicated in a performance-based analysis of experienced task difficulty. Together, these findings suggest that task-induced deactivations from rest are not limited to the DMN and extend to brain regions typically associated with integrative sensory and interoceptive processes.

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  • Functional deactivations may be as equally informative for understanding the neural substrates of complex mental activities, including emotion processing, as activations.

    “As is now broadly recognized in the neuroimaging field, functional deactivations may be as equally informative for understanding the neural substrates of complex mental activities, [8][9][10] including emotion processing.8,11,12”
  • The vmPFC and PCC are recognized as a characteristic functional signature of the human default mode network, a large-scale brain system that exhibits consistent functional decreases in activity in fMRI studies when goal-directed task performance is compared with low task demand such as passive resting states.

    “vmPFC and PCC, in particular, has become recognized as a characteristic functional signature of the human 'default mode network'-a large-scale brain system that exhibits consistent functional decreases in activity in fMRI studies when conditions of goal-directed task performance are compared with conditions of low task demand, such as passive resting states.8,9”

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Authors
Harrison, B. J., Pujol, J., Contreras-Rodríguez, O., Soriano-Mas, C., López-Solà, M., Deus, J., Ortiz, H., Blanco-Hinojo, L., Alonso, P., Hernández-Ribas, R., Cardoner, N., & Menchón, J. M.
Affiliations
  • The University of Melbourne (AU)
  • Universitat Autònoma de Barcelona (ES)
  • Barcelona Biomedical Research Park (ES)
  • Bellvitge University Hospital (ES)
Corresponding author
Harrison, Ben J.
Venue
PLoS ONE
Published
2011-07-29
Volume
6
Issue
7
Pages
e22964
ISSN
1932-6203 (ISSN-L)
OpenAlex
W2020498763
Cited by
92
References
53
Citations by year
2026: 2 · 2025: 5 · 2024: 6 · 2023: 3 · 2022: 8 · 2021: 6 · 2020: 5 · 2019: 3 · 2018: 2 · 2017: 6 · 2016: 6 · 2015: 7 · 2014: 16 · 2013: 7 · 2012: 10
FWCI
5.34
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • RECERCAT (Consorci de Serveis Universitaris de Catalunya) (publishedVersion, other-oa)
  • Dipòsit Digital de Documents de la UAB (Universitat Autònoma de Barcelona) (submittedVersion, cc-by)
  • Dipòsit Digital de la Universitat de Barcelona (Universitat de Barcelona) (submittedVersion, cc-by)
  • LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (submittedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Figshare (submittedVersion, cc-by)
  • Minerva Access (University of Melbourne) (submittedVersion, cc-by)
Funders
  • Medical Research Council
  • National Health and Medical Research Council (628509)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Mind wandering and attention
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
Keywords
task-induced deactivation, default mode network, resting state, task demands, posterior insular cortex, task difficulty, interoception, sensory integration
MeSH terms
Adolescent, Adult, Brain, Brain Mapping, Female, Humans, Magnetic Resonance Imaging, Middle Aged, Nerve Net, Neural Pathways, Rest, Task Performance and Analysis, Young Adult, Functional Neuroimaging

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