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Cortical subnetwork dynamics during human language tasks
2016
NeuroImage
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Language tasks require the coordinated activation of multiple subnetworks-groups of related cortical interactions involved in specific components of task processing. ...
human cognitive tasks. ...
subnetworks, and may provide important insights into the dynamics of large-scale cortical networks during cognitive tasks. ...
doi:10.1016/j.neuroimage.2016.03.072
pmid:27046113
pmcid:PMC4985237
fatcat:grryxkzjyndptkaiu7m5qyk6ie
What Direct Electrostimulation of the Brain Taught Us About the Human Connectome: A Three-Level Model of Neural Disruption
2020
Frontiers in Human Neuroscience
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Second, in light of this model, original findings gained from DES concerning the human connectome, complementary to those provided by functional neuroimaging (FNI), are reviewed. ...
Thus, it was evidenced that DES offers the unique opportunity to identify both cortical and subcortical structures critical for cerebral functions. ...
For example, concerning the language system, stimulating specifically the dorsal stream mediated by the arcuate fasciculus during a naming task elicits phonological paraphasia; stimulating specifically ...
doi:10.3389/fnhum.2020.00315
pmid:32848678
pmcid:PMC7427088
fatcat:2kpmw6ub75btbo5xk6bk5zmlsa
History of awake mapping and speech and language localization: from modules to networks
2019
Neurosurgical Focus
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language cortical organization. ...
The classic Broca-Wernicke model of cortical speech and language organization underwent a paradigm shift in large part due to advances in brain mapping techniques. ...
Wernicke-Geschwind model, language production requires dynamic interactions between parallel delocalized subnetwork whose recruitment varies based on the task required. ...
doi:10.3171/2019.7.focus19347
pmid:31473677
fatcat:wr6pzxod7nh7zcaycl3xyrekru
Probabilistic mapping of language networks from high frequency activity induced by direct electrical stimulation
2020
Human Brain Mapping
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task following 50 Hz DES. ...
In addition, specific subnetworks could be identified within the global language network, related to different language processes, generally described in relation to the classical language regions. ...
For each patient, we identified the language errors induced by the DES during a picture-naming task and reported the corresponding stimulation cortical sites. ...
doi:10.1002/hbm.25112
pmid:32697353
pmcid:PMC7469846
fatcat:pdczro5ss5ef5hmphm6oey3p3u
Graph Independent Component Analysis Reveals Repertoires of Intrinsic Network Components in the Human Brain
2014
PLoS ONE
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Using the derived subnetwork repertories, we decomposed brain networks during specific tasks including motor activity, working memory exercises, and verb generation, and identified subnetworks associated ...
Recent data suggest that pre-existing repertoires of a much smaller number of canonical network components are selectively and dynamically used to compute new cognitive tasks. ...
Task-specific subnetworks and sex-specific subnetworks The differential involvement of each subnetwork was evaluated during motor and cognitive tasks (n-back and verb-generation tasks) by linearly projecting ...
doi:10.1371/journal.pone.0082873
pmid:24409279
pmcid:PMC3883640
fatcat:oyot4njmmzgprew77lqhmwujuu
Intrinsic connectivity reveals functionally distinct cortico-hippocampal networks in the human brain
2021
PLoS Biology
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The DMN could be further divided into 3 subnetworks: a "posterior medial" (PM) subnetwork comprised of posterior cingulate and lateral parietal cortices; an "anterior temporal" (AT) subnetwork comprised ...
These networks vary in their functional connectivity (FC) along the hippocampal long axis and represent different kinds of information during memory-guided decision-making. ...
We thank the Dynamic Memory Lab (http://dml.ucdavis.edu) for consultation on experimental design and analysis and Sam Audrain for feedback on the manuscript. ...
doi:10.1371/journal.pbio.3001275
pmid:34077415
pmcid:PMC8202937
fatcat:gg6pxi54qnbkrbv5l6n6lgz3ua
Network Approaches to Understand Individual Differences in Brain Connectivity: Opportunities for Personality Neuroscience
2018
Personality Neuroscience
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AbstractOver the past decade, advances in the interdisciplinary field of network science have provided a framework for understanding the intrinsic structure and function of human brain networks. ...
In the literature, this is referred to as a static network approach, and researchers measure static brain networks while a subject is either at rest or performing a cognitively demanding task. ...
Dynamic network methods can yield important insights into how variation in the cooperative and competitive dynamics during a cognitive task influences performance. ...
doi:10.1017/pen.2018.4
pmid:30221246
pmcid:PMC6133307
fatcat:vwtuqjdkqjdgjonjtu4omnwi7q
The Dynamical Balance of the Brain at Rest
2010
The Neuroscientist
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Some RSN are functionally organized as dynamically competing systems both at rest and during tasks. ...
Large-scale systems dynamics are useful for keeping different functional subnetworks in a state of heightened competition, which can be stabilized and fired by even small modulations of either sensory ...
(RSN) inasmuch as they have been studied in human subjects during resting wakefulness. ...
doi:10.1177/1073858409354384
pmid:21196530
pmcid:PMC4139497
fatcat:pztaea734rghpa6eqflqnteesi
A brain-based model of language instruction: from theory to practice
2021
Research and Development in Medical Education
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In effect, taking neurocognitive findings into account may have potential in developing brain-based tasks for the benefit of second language instruction in educational settings. ...
They provide new insights into how our brain represents languages. ...
Taking into consideration the fact that cognitive functions emerge from the dynamics of extended cortical and subcortical networks, connectome theory, with the application of graph theory, has recently ...
doi:10.34172/rdme.2021.017
doaj:5a2e3fe561c2489ab37c0518e8b63c2d
fatcat:gzkwqkm43fhjjptnhqvlgrwxie
Toward a pluri-component, multimodal, and dynamic organization of the ventral semantic stream in humans: lessons from stimulation mapping in awake patients
2013
Frontiers in Systems Neuroscience
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This multi-function fascicle allows human to produce and understand language, to manipulate concepts, to apprehend and understand the world (i.e., metalinguistics, conceptualization, and awareness of knowledge ...
cortices. ...
doi:10.3389/fnsys.2013.00044
pmid:23986661
pmcid:PMC3752437
fatcat:otum3am6hre7tima2v4i53zkji
Large-scale functional brain networks for consciousness
2021
Anatomy & Cell Biology
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Despite limitations, neuroimaging data suggests brain maps for important psychological and cognitive processes such as attention, language, self-referential, emotion, motivation, social behavior, and wakefulness ...
Initially, we review major large-scale functional brain networks associated with the horizontal connectivity (cortico-cortical communication) that underlies awareness of consciousness (attention/language ...
Task experiments have shown that the frontoparietal network controls task switching after a start-cue and the initiation of adjustments within trials. ...
doi:10.5115/acb.20.305
pmid:33967030
fatcat:2svksavzevdkldr4wabotus3om
Evidence of a dissociation pattern in default mode subnetwork functional connectivity in schizophrenia
2015
Scientific Reports
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Using working memory-related paradigms, several task-related ...
prefrontal cortex and other DMN regions, both during rest and a task 7 . ...
Previous studies have demonstrated dynamic cooperation and competition between the DMN and other ICNs in the human brain 36, 37 , perhaps underlying the shift in focus from internal state to external ...
doi:10.1038/srep14655
pmid:26419213
pmcid:PMC4588504
fatcat:emr3k6sql5harimy3gpnh7s6rq
The Organisation of the Elderly Connectome
[article]
2015
arXiv
pre-print
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Lastly, we demonstrate intriguing left-lateralized subnetworks consistent with the neural circuitry specialised for language and executive functions, while rightward subnetworks were dominant in visual ...
Investigations of the human connectome have elucidated core features of adult structural networks, particularly the crucial role of hub-regions. ...
Furthermore, increased FA of the CC has been associated with increased behavioural performance and inter-hemispheric functional connectivity during language-based tasks (Antonenko et al., 2013; Davis ...
arXiv:1502.05772v2
fatcat:rgcl3ufxavdm7iuvok5kanzdqa
Development of compositional and contextual communicable congruence in robots by using dynamic neural network models
2015
Neural Networks
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In the experimental task, the humanoid robot was trained to generate specific sequential movement patterns as responding to various sequences of imperative gesture patterns demonstrated by the human subjects ...
indicating task segmentation points. ...
cortical areas (Sporn, 2010) . ...
doi:10.1016/j.neunet.2015.09.004
pmid:26498195
fatcat:34i6n6jb5bainnjued5hb2wtp4
Neuroanatomical correlates of childhood apraxia of speech: A connectomic approach
2016
NeuroImage: Clinical
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, right superior occipital gyrus and right cerebellum (subnetwork 2); right angular gyrus, right superior temporal gyrus and right inferior occipital gyrus (subnetwork 3). ...
We hypothesize that children with CAS have altered structural connectivity in speech/language networks compared to controls and that these altered connections are related to functional speech/language ...
We also acknowledge the Speech Language Pathologist and PROMPT certified instructor Dr. Irina Podda for her contribution in the assessment of some of the children included in the study and Dr. ...
doi:10.1016/j.nicl.2016.11.003
pmid:27882295
pmcid:PMC5114583
fatcat:fkyirfwthzeavae5p2p3hjqssy
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