ArticlePloS one2014
Opposite modulation of brain functional networks implicated at low vs. high demand of attention and working memory.
Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed.
- A thin line between conflict and reaction time effects on EEG and fMRI brain signals.Imaging neuroscience (Cambridge, Mass.) · 2024Article
- Differences in the functional brain architecture of sustained attention and working memory in youth and adults.PLoS biology · 2022Article
- Cingulo-opercular and frontoparietal control network connectivity and executive functioning in older adults.GeroScience · 2022Article
- Altered functional network activities for behavioral adjustments and Bayesian learning in young men with Internet gaming disorder.Journal of behavioral addictions · 2021Article
- Spiritual experiences are related to engagement of a ventral frontotemporal functional brain network: Implications for prevention and treatment of behavioral and substance addictions.Journal of behavioral addictions · 2019Article
- Gradient theories of brain activation: A novel application to studying the parental brain.Current behavioral neuroscience reports · 2019Article
- Neural Interactions in a Spatially-Distributed Cortical Network During Perceptual Decision-Making.Frontiers in behavioral neuroscience · 2019Article
- Shared facial emotion processing functional network findings in medication-naïve major depressive disorder and healthy individuals: detection by sICA.BMC psychiatry · 2018Article
- Task-related changes in degree centrality and local coherence of the posterior cingulate cortex after major cardiac surgery in older adults.Human brain mapping · 2018Article
- Large-scale functional network overlap is a general property of brain functional organization: Reconciling inconsistent fMRI findings from general-linear-model-based analyses.Neuroscience and biobehavioral reviews · 2016Review
- Brain Connectivity Changes in Autosomal Recessive Parkinson Disease: A Model for the Sporadic Form.PloS one · 2016Article
- Effects of scanner acoustic noise on intrinsic brain activity during auditory stimulation.Neuroradiology · 2015Article
- Intrinsic brain indices of verbal working memory capacity in children and adolescents.Developmental cognitive neuroscience · 2015Article
- Implications of cortical balanced excitation and inhibition, functional heterogeneity, and sparseness of neuronal activity in fMRI.Neuroscience and biobehavioral reviews · 2015Review
- The absence of task-related increases in BOLD signal does not equate to absence of task-related brain activation.Journal of neuroscience methods · 2015Article
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4 authors.
Funding
Abstract
backgroundFunctional magnetic resonance imaging (fMRI) studies indicate that the brain organizes its activity into multiple functional networks (FNs) during either resting condition or task-performance. However, the functions of these FNs are not fully understood yet. METHODOLOGY/PRINCIPAL
findingsTo investigate the operation of these FNs, spatial independent component analysis (sICA) was used to extract FNs from fMRI data acquired from healthy participants performing a visual task with two levels of attention and working memory load. The task-related modulations of extracted FNs were assessed. A group of FNs showed increased activity at low-load conditions and reduced activity at high-load conditions. These FNs together involve the left lateral frontoparietal cortex, insula, and ventromedial prefrontal cortex. A second group of FNs showed increased activity at high-load conditions and reduced activity at low-load conditions. These FNs together involve the intraparietal sulcus, frontal eye field, lateral frontoparietal cortex, insula, and dorsal anterior cingulate, bilaterally. Though the two groups of FNs showed opposite task-related modulations, they overlapped extensively at both the lateral and medial frontoparietal cortex and insula. Such an overlap of FNs would not likely be revealed using standard general-linear-model-based analyses.
conclusionsBy assessing task-related modulations, this study differentiated the functional roles of overlapping FNs. Several FNs including the left frontoparietal network are implicated in task conditions of low attentional load, while another set of FNs including the dorsal attentional network is implicated in task conditions involving high attentional demands.
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