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The DOI matches its Crossref record; 14 of the 14 references it cites were found in a registry or an index.

Functional Characterization of the Cingulo-Opercular Network in the Maintenance of Tonic Alertness

Open access
Sadaghiani, Sepideh, D'Esposito, Mark·2015·Cerebral Cortex

Abstract

The complex processing architecture underlying attentional control requires delineation of the functional role of different control-related brain networks. A key component is the cingulo-opercular (CO) network composed of anterior insula/operculum, dorsal anterior cingulate cortex, and thalamus. Its function has been particularly difficult to characterize due to the network's pervasive activity and frequent co-activation with other control-related networks. We previously suggested this network to underlie intrinsically maintained tonic alertness. Here, we tested this hypothesis by separately manipulating the demand for selective attention and for tonic alertness in a two-factorial, continuous pitch discrimination paradigm. The 2 factors had independent behavioral effects. Functional imaging revealed that activity as well as functional connectivity in the CO network increased when the task required more tonic alertness. Conversely, heightened selective attention to pitch increased activity in the dorsal attention (DAT) network but not in the CO network. Across participants, performance accuracy showed dissociable correlation patterns with activity in the CO, DAT, and fronto-parietal (FP) control networks. These results support tonic alertness as a fundamental function of the CO network. They further the characterization of this function as the effortful process of maintaining cognitive faculties available for current processing requirements.

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Metadata

Authors
Sadaghiani, S., & D'Esposito, M.
Venue
Cerebral Cortex
Published
2014-04-25
Volume
25
Issue
9
Pages
2763-2773
ISSN
  • 1047-3211 (ISSN-L)
  • 1460-2199
OpenAlex
W2136626180
Cited by
370
References
14
FWCI
9.87
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Functional Characterization of the Cingulo-Opercular Network in the Maintenance of Tonic Alertness. https://app.cochat.ai/papers/10.1093/cercor/bhu072
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Sadaghiani, S., & D'Esposito, M. (2015). Functional Characterization of the Cingulo-Opercular Network in the Maintenance of Tonic Alertness. Cerebral Cortex. https://doi.org/10.1093/cercor/bhu072

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