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Frequency specificity of functional connectivity in brain networks
2008
NeuroImage
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Hz), suggesting distinct frequency-specific features in the resting-state fMRI signal within these functional networks. ...
Synchronized low-frequency spontaneous fluctuations of the functional MRI (fMRI) signal have been shown to be associated with electroencephalography (EEG) power fluctuations in multiple brain networks ...
Acknowledgements This work was supported by the Intramural Research Program of the National Institute on Drug Abuse (NIDA), National Institute of Health (NIH). ...
doi:10.1016/j.neuroimage.2008.05.035
pmid:18632288
pmcid:PMC2612530
fatcat:b5yfhgmkuvbvplxrwlmrtt6n4i
Plasticity of brain wave network interactions and evolution across physiologic states
2015
Frontiers in Neural Circuits
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Comparing frequency-specific networks within the same physiologic state we find very different degree of network connectivity and link strength, while at the same time each frequency-specific network is ...
Moreover, our analyses indicate that plasticity also emerges in frequency-specific networks, which represent interactions across brain locations mediated through a specific frequency band. ...
the ensemble of inter-channel links connecting a specific frequency band at different brain locations (network nodes). ...
doi:10.3389/fncir.2015.00062
pmid:26578891
pmcid:PMC4620446
fatcat:csemlduuq5gwlcaeaay6fwbwke
Frequency Specific Effects of ApoE ε4 Allele on Resting-State Networks in Nondemented Elders
2017
BioMed Research International
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Considering the frequency specific effects of functional connectivity, we decomposed the brain network time courses into two bands: 0.01–0.027 Hz and 0.027–0.08 Hz. ...
We explored the frequency specific effects of ApoE ε4 allele on the default mode network (DMN) and the salience network (SN) functional connectivity. ...
As such, the investigators within the ADNI contributed to the design and implementation of ADNI and/or provided data but did not participate in analysis or writing of this report. ...
doi:10.1155/2017/9823501
pmid:28396874
pmcid:PMC5370516
fatcat:examuyqzwzc2zb2hsd755uvotm
Selective impairment of hippocampus and posterior hub areas in Alzheimer's disease: an MEG-based multiplex network study
2017
Brain
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Background: Although frequency-specific network analyses have shown that functional brain networks are altered in patients with Alzheimer's disease (AD), the relationships between these frequency-specific ...
between frequency-specific networks in AD. ...
doi:10.1093/brain/awx050
pmid:28334883
fatcat:gnvc2rhtcvgejipbs2vwyrf7ci
Adaptive reconfiguration of fractal small-world human brain functional networks
2006
Proceedings of the National Academy of Sciences of the United States of America
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The highest-frequency ␥ network had greater synchronizability, greater clustering of connections, and shorter path length than networks in the scaling regime of (lower) frequencies. ...
Brain function depends on adaptive self-organization of largescale neural assemblies, but little is known about quantitative network parameters governing these processes in humans. ...
The authors declare no conflict of interest. ...
doi:10.1073/pnas.0606005103
pmid:17159150
pmcid:PMC1838565
fatcat:hmyozzvxj5a7damcekqtrylzbq
Frequency-specific Alterations of Functional Hub in Generalized Tonic-clonic Seizure
2016
International Journal of Networked and Distributed Computing (IJNDC)
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These findings highlight the role of frequency-specific functional hub, and may helpfully uncover abnormal neuronal activity in patients with GTCS at frequency-specific bands. ...
Then, we compared alterations of frequency-specific functional hub across five different frequency bands in 21 GTCS patients to 22 normal control (NC) subjects. ...
Frequency-specific alternating of functional connectivity networks between-group. ...
doi:10.2991/ijndc.2016.4.4.3
fatcat:srcepgc77zftfhhfsrnbofxtda
Frequency-specific network topologies in the resting human brain
2014
Frontiers in Human Neuroscience
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It has been shown that both "communities" and "hubs" exist simultaneously in the brain's functional connectivity network (FCN), as estimated by correlations among low-frequency spontaneous fluctuations ...
Here, we demonstrate that frequency-specific network topologies that characterize segregation and integration also exist within this frequency range. ...
This work was partly supported by Grants-in-Aid for the Japan Society for ...
doi:10.3389/fnhum.2014.01022
pmid:25566037
pmcid:PMC4273625
fatcat:uvbgnoqpufcczohw4nym4vso7e
Frequency-specific alterations of functional hub in generalized tonic-clonic seizure
2016
2016 IEEE/ACIS 15th International Conference on Computer and Information Science (ICIS)
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These findings highlight the role of frequency-specific functional hub, and may helpfully uncover abnormal neuronal activity in patients with GTCS at frequency-specific bands. ...
Then, we compared alterations of frequency-specific functional hub across five different frequency bands in 21 GTCS patients to 22 normal control (NC) subjects. ...
Frequency-specific alternating of functional connectivity networks between-group. ...
doi:10.1109/icis.2016.7550940
dblp:conf/ACISicis/ZhangCCM16
fatcat:3adlj5hr4fbxnludm3cmpo6fou
Developmental Changes in Backbone of Brain Functional Network During the Infancy Period
2019
NeuroQuantology
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Our findings indicate that backbone of the brain functional network changes in a frequency specific manner, and a reverse order follows the changes in oscillatory pattern. ...
In this study developmental changes in the backbone of functional brain network are investigated. ...
Fathi for their invaluable assistance in the clinical visits and data collection in this study. ...
doi:10.14704/nq.2019.17.6.2387
fatcat:iwqwoyqkwfd6raeoonqxq47ldu
Transcranial Direct Current Stimulation Modulates Brain Functional Connectivity in Autism
2020
NeuroImage: Clinical
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We found 1) an increase in network flexibility following tDCS (rapid network configuration of dynamic network communities), 2) specific increase in interhemispheric connectivity within the alpha frequency ...
Meanwhile, frequency-specific subnetworks, as a way to index local and global information processing, highlight the core modulatory effects of tDCS on the modular architecture of the functional connectivity ...
This research was supported by grants from the National Natural Science Foundation of China (grants 61827811 and 61761166003) and the National Key R&D Program of China (grant 2016YFC1306203). ...
doi:10.1016/j.nicl.2020.102500
pmid:33395990
pmcid:PMC7695891
fatcat:n2tzw3lbznh6zh75ktcplwyhoy
Decoding the circuitry of consciousness: From local microcircuits to brain-scale networks
2019
Network Neuroscience
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Second, we discuss the role of three main types of GABAergic interneurons in specific circuits responsible for the dynamical reorganization of functional networks. ...
One major challenge is to understand how cortical circuits at drastically different spatial scales, from local networks to brain-scale networks, operate in concert to enable consciousness, and how those ...
Such transient networks involving only a few brain regions, coordinated to achieve a specific function limited in duration, form what is termed functional connectivity. ...
doi:10.1162/netn_a_00119
pmid:32537530
pmcid:PMC7286300
fatcat:fphpwijvdjfk5awatf3eo43sry
Frequency-specific Alterations of Large-scale Functional Brain Networks in Patients with Alzheimer′s Disease
2015
Chinese Medical Journal
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Conclusions: This study demonstrates that the topological alterations of large-scale functional brain networks in AD patients are frequency dependent, thus providing fundamental support for optimal frequency ...
Previous studies have indicated that the cognitive deficits in patients with Alzheimer's disease (AD) may be due to topological deteriorations of the brain network. ...
Recent studies have reported the frequency specificity of functional connectivity in multiple functional networks derived from resting-state functional magnetic resonance imaging (RS-fMRI) signals, as ...
doi:10.4103/0366-6999.151654
pmid:25698190
pmcid:PMC4834769
fatcat:sx4qt3tujzgxxah3sx76ughqqe
Coherence a measure of the brain networks: past and present
2016
Neuropsychiatric Electrophysiology
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Brian connectivity describes the networks of functional and anatomical connections across the brain. ...
Detection of the synchronous activation of neurons can be used to determine the wellbeing or integrity of the functional connectivity in the human brain networks. ...
Functional connectivity does not determine the specific direction of information flow in the brain. ...
doi:10.1186/s40810-015-0015-7
fatcat:3v6gsvdex5e4rmjjor5362xdli
Functional Integration Between Brain Regions at Rest Occurs in Multiple-Frequency Bands
2015
Brain Connectivity
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In this study, we used resting-state fMRI data acquired from 21 healthy subjects at a higher sampling frequency of 1.5 Hz to assess the presence of resting-state functional connectivity (RSFC) across multiple ...
The effect of different frequency bands on spatial extent and connectivity strength for known resting-state networks (RSNs) was also evaluated. ...
Paul Taylor for their help in preparing this article. The following research was supported through NIH grant RO1 5R01AG032088 awarded to B.B.B. ...
doi:10.1089/brain.2013.0210
pmid:24702246
pmcid:PMC4313418
fatcat:xh36v2jsgrgazbaiuwuoahipzm
Functional Integration and Segregation in Multiplex Brain Networks for Alzheimer's Disease
2020
Frontiers in Neuroscience
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Growing evidence links impairment of brain functions in Alzheimer's disease (AD) with disruptions of brain functional connectivity. ...
This may shed new light on the brain network analysis and extend our understanding of brain function in patients with neurological diseases. ...
These studies confirmed that the functional networks provide frequency-specific information about the brain function disruptions in AD. ...
doi:10.3389/fnins.2020.00051
pmid:32132892
pmcid:PMC7040198
fatcat:lxuijj6fgba33flnnhmds7zn64
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