ArticleScientific reports2020
Dynamic switching between intrinsic and extrinsic mode networks as demands change from passive to active processing.
Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Phasor diagrams clock oscillatory hemodynamic switching between overt speech production and micro resting states.bioRxiv : the preprint server for biology · 2025Article
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- Similarities and differences between intermittent and continuous resting-state fMRI.Frontiers in human neuroscience · 2023Article
- The mouse claustrum synaptically connects cortical network motifs.Cell reports · 2022Article
- Sex-related brain connectivity correlates of compensation in adults with autism: insights into female protection.Cerebral cortex (New York, N.Y. : 1991) · 2022Article
- Cardiac sympathetic-vagal activity initiates a functional brain-body response to emotional arousal.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
- Involvement of the default mode network under varying levels of cognitive effort.Scientific reports · 2022Article
- Perspectives before incremental trans-disciplinary cross-validation of clinical self-evaluation tools and functional MRI in psychiatry: 10 years later.Frontiers in psychiatry · 2022Article
- Low-Frequency TMS Results in Condition-Related Dynamic Activation Changes of Stimulated and Contralateral Inferior Parietal Lobule.Frontiers in human neuroscience · 2021Article
- Combined fMRI Region- and Network-Analysis Reveal New Insights of Top-Down Modulation of Bottom-Up Processes in Auditory Laterality.Frontiers in behavioral neuroscience · 2021Article
- Default Mode Network Resting State Connectivity Derived From Task-Based fMRI: A Validation Study in People With Epilepsy.Journal of neuroimaging : official journal of the American Society of NeuroimagingArticle
Corrections and comments
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Authors and funding
6 authors.
Funding
Abstract
In this study we report on the relationship between default and extrinsic mode networks across alternating brief periods of rest and active task processing. Three different visual tasks were used in a classic fMRI ON-OFF block design where task (ON) blocks alternated with equal periods of rest (OFF) blocks: mental rotation, working memory and mental arithmetic. We showed the existence of a generalized task-positive network, labelled the extrinsic mode network (EMN) that is anti-correlated with the default mode network (DMN) as processing demands shifted from rest to active processing. We then identified two key regions of interest (ROIs) in the supplementary motor area (SMA) and precuneus/posterior cingulate cortex (PCC) regions as hubs for the extrinsic and intrinsic networks, and extracted the time-course from these ROIs. The results showed a close to perfect anti-correlation for the SMA and Precuneus/PCC time-courses for ON- and OFF-blocks. We suggest the existence of two large-scale networks, an extrinsic mode network and an intrinsic mode network, which are up- and down-regulated as environmental demands change from active to passive processing.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.