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Flight motor networks modulate primary olfactory processing in the mothManduca sexta
2018
Proceedings of the National Academy of Sciences of the United States of America
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Higher-order CDCs on the other hand, can activate hundreds of milliseconds before the onset of a behavior and can modulate the state of a sensory network to accommodate imminent changes in behavior (9 ...
CDCs that filter out reafferent inputs or inhibit sensory-driven reflexes (e.g., refs. 3 and 4) are classified as lowerorder CDCs, while those that predict, stabilize, facilitate sensory signal analysis ...
doi:10.1073/pnas.1722379115
pmid:29735707
pmcid:PMC6003457
fatcat:bfhjr7v5hfhotbtpr4nuxrih2e
A Dynamic Interplay within the Frontoparietal Network Underlies Rhythmic Spatial Attention
2018
Neuron
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We show that a dynamic interplay within the macaque frontoparietal network accounts for the rhythmic properties of spatial attention. ...
The first is defined by FEF-dominated beta-band activity, associated with suppressed attentional shifts, and LIP-dominated gamma-band activity, associated with enhanced visual processing and better behavioral ...
This work was supported by a training fellowship to I.C.F. (F32EY023465), and by grants from NIMH (R01MH064063, Silvio O. Conte Center (21560-685) and NEI (RO1EY017699, R21EY023565) to S.K. ...
doi:10.1016/j.neuron.2018.07.038
pmid:30138590
pmcid:PMC6474777
fatcat:vqca2mdpcnhqrdqux5bksp5oxq
Automatic selection of resting-state networks with functional magnetic resonance imaging
2013
Frontiers in Neuroscience
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One of the major difficulties with component analysis is the automatic selection of the ICA features related to brain activity. ...
Functional magnetic resonance imaging (fMRI) during a resting-state condition can reveal the co-activation of specific brain regions in distributed networks, called resting-state networks, which are selected ...
stimuli and as intrinsic activity similar to the anatomy. ...
doi:10.3389/fnins.2013.00072
pmid:23730268
pmcid:PMC3657627
fatcat:hgmxynnxmnefvordlh6efg7ave
The Unique Cytoarchitecture and Wiring of the Human Default Mode Network
[article]
2021
bioRxiv
pre-print
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We mapped cytoarchitectural variation within the DMN using a cortical type atlas and a histological model of the entire human brain. ...
It is challenging to specify the role of the default mode network (DMN) in human behaviour. ...
Discrimination of functional sub-networks by cytoarchitectural eigenvectors was formulated as a classification problem. ...
doi:10.1101/2021.11.22.469533
fatcat:apkz5rhxkbcxljwuhh7xxk2n2y
Dynamic Computation in Visual Thalamocortical Networks
2019
Entropy
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To conclude the review, we begin to integrate this perspective with longstanding theories of consciousness and cognition. ...
Contemporary neurodynamical frameworks, such as coordination dynamics and winnerless competition, posit that the brain approximates symbolic computation by transitioning between metastable attractive states ...
Of particular empirical interest is the concept of intrinsic ignition, defined by Deco and Kringelbach [276] as the capacity of a particular network element to "propagate neuronal activity to other regions ...
doi:10.3390/e21050500
pmid:33267214
fatcat:wp4oladfzbanvf2t7dn4ay2leu
Quantitative Susceptibility Mapping and Resting State Network Analyses in Parkinsonian Phenotypes—A Systematic Review of the Literature
2019
Frontiers in Neural Circuits
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domain), to enable a proper pathophysiological interpretation of MEG and rs-fMRI network changes in PD. ...
Herewith, a better understanding of the relationship between neuropathological changes, functional network changes and clinical phenotype might become possible. ...
QSM imaging enables the analysis of intrinsic tissue property with a mapping of iron and herewith QSM imaging delivers a new method to get basic information about the disease pathology in PD and should ...
doi:10.3389/fncir.2019.00050
pmid:31447651
pmcid:PMC6691025
fatcat:mnzfpuggmbd3vj3wr6rr2ost2y
Temporal aspects of neural coding in the retina and lateral geniculate
1999
Network
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The early stages of visual processing provide excellent models for the study of how information is represented in, and processed by, the activity of neurons. ...
The broad theme that emerges from a review of experimental data is that each stage of visual processing is accompanied by new features, including adaptive filtering, feedback, rectification and spike generation ...
The author also expresses appreciation to the many investigators who have provided preprints and reprints of their work. ...
doi:10.1088/0954-898x/10/4/201
pmid:10695759
fatcat:rfndy43tkrdptlhil5gwnard3i
Temporal aspects of neural coding in the retina and lateral geniculate
1999
Network
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The early stages of visual processing provide excellent models for the study of how information is represented in, and processed by, the activity of neurons. ...
The broad theme that emerges from a review of experimental data is that each stage of visual processing is accompanied by new features, including adaptive filtering, feedback, rectification and spike generation ...
The author also expresses appreciation to the many investigators who have provided preprints and reprints of their work. ...
doi:10.1088/0954-898x_10_4_201
pmid:10695759
fatcat:vdizikbdnjb3rnopqqf77b77gu
Sensory coding accuracy and perceptual performance are improved during the desynchronized cortical state
2017
Nature Communications
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Cortical activity changes continuously during the course of the day. ...
These fluctuations are local and control the trial variability in population coding accuracy and behavioral performance in a discrimination task. ...
We decoded the neural activity by implementing a linear classifier which fits a multivariate normal density with a pooled estimate of covariance using the MATLAB function, classify. 50% of the data was ...
doi:10.1038/s41467-017-01030-4
pmid:29101393
pmcid:PMC5670198
fatcat:56qo2ffkyffnhb67wuxeyuhd74
A robot model of the basal ganglia: Behavior and intrinsic processing
2006
Neural Networks
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Our results demonstrate effective action selection by the embedded model under a wide range of sensory and motivational conditions. ...
A strong test of this hypothesis is to require a computational model of the basal ganglia to generate integrated selection sequences in an autonomous agent, we therefore describe a robot architecture into ...
Acknowledgements The authors wish to acknowledge the assistance of Jonathan Chambers, Ric Wood, Michael Port, Andy Ham, and Olivier Michel, and the support of the UK Engineering and Physical Sciences Research ...
doi:10.1016/j.neunet.2005.06.049
pmid:16153803
fatcat:ygmkdoba7rdndo4fuzwh3crs4i
How laminar frontal cortex and basal ganglia circuits interact to control planned and reactive saccades
2004
Neural Networks
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The model predicts how action planning or priming (in cortical layers III and VI) is dissociated from execution (in layer V), how a cue may serve either as a movement target or as a discriminative cue ...
A neural model whose cortical component represents the frontal eye fields captures these interacting circuits. ...
Taken together, these data suggest a hierarchy of control, such that visual inputs to the SC dominate by default, but the frontal cortex can assume control of the SC when simple reactive eye movements ...
doi:10.1016/j.neunet.2003.08.006
pmid:15109680
fatcat:7ld3cb3j7ra23dpeaqsp5orc3q
Tuning pathological brain oscillations with neurofeedback: a systems neuroscience framework
2014
Frontiers in Human Neuroscience
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To this end, we interlink evidence from experimental findings that encompass a broad range of intrinsic brain phenomena: starting from "bottom-up" mechanisms of neural synchronization, followed by "top-down ...
" regulation of internal brain states, moving to dynamical systems plus control-theoretic principles, and concluding with activity-dependent as well as homeostatic forms of brain plasticity. ...
On the other hand, in a closed-loop or "NFB" design, a sensory representation of the brain activity is fed-back to users continuously in real-time (as a video game for example), with the aim of controlling ...
doi:10.3389/fnhum.2014.01008
pmid:25566028
pmcid:PMC4270171
fatcat:ptdqnjimzncdtd7ytkvyazzboi
Brain Oscillations in Sport: Toward EEG Biomarkers of Performance
2016
Frontiers in Psychology
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Brain dynamics is at the basis of top performance accomplishment in sports. The search for neural biomarkers of performance remains a challenge in movement science and sport psychology. ...
In this context, the hypotheses of unified brain rhythms and continuity between wake and sleep states should provide a functional template for EEG biomarkers in sport. ...
when the eyes are closed. ...
doi:10.3389/fpsyg.2016.00246
pmid:26955362
pmcid:PMC4768321
fatcat:nb6x7cne7vhrrdnbijfr7biu7y
In-vitro exposure of neuronal networks to the GSM-1800 signal
2013
Bioelectromagnetics
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Spontaneous neuronal activity refers to the activity that is not attributable to specific sensory inputs or motor outputs; it represents neuronal activity that is intrinsically generated by the brain. ...
The EEG recording on vigil volunteers with closed eyes was carried out with 10 cycles of exposure (ON-OFF) lasting 1 min each. ...
This work provides the proof of feasibility and preliminary results of the integrated investigation regarding exposure setup, culture of the neuronal network, recording of the electrical activity and analysis ...
doi:10.1002/bem.21805
pmid:23913345
fatcat:s4xnrcctz5hq5o75s2qkevda44
Functional and structural comparison of visual lateralization in birds – similar but still different
2014
Frontiers in Psychology
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As a secondary consequence of asymmetrical light experience, lateralized top-down mechanisms play a critical role in the emergence of hemispheric dominance. (2) Ontogenetic light experiences may affect ...
Vertebrate brains display physiological and anatomical left-right differences, which are related to hemispheric dominances for specific functions. ...
Accordingly, even when seeing with the left eye, the left hemisphere is strongly activated and dominates visual analysis as indicated by the preferential encoding of local feature cues. ...
doi:10.3389/fpsyg.2014.00206
pmid:24723898
pmcid:PMC3971188
fatcat:cbjnxr7sg5fzni2psei223obxm
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