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Functional Connectivity and Genetic Profile of a "Double-Cortex"-Like Malformation

Giulia Sprugnoli, Giampaolo Vatti, Simone Rossi, Alfonso Cerase, Alessandra Renieri, Maria A. Mencarelli, Federico Zara, Alessandro Rossi, Emiliano Santarnecchi
2018 Frontiers in Integrative Neuroscience  
We conducted an original functional MRI (fMRI) analysis in a drug-resistant epilepsy patient with "doublecortex"-like malformation to reveal her functional connectivity (FC) as well as a wide genetic analysis  ...  This first FC analysis of a unique case of "double-cortex"-like malformation revealed a hemispheric connectivity segregation both in the laminar cortex as in the correctly migrated one, with a new pattern  ...  Interestingly, the pattern of co-activation during the task also reflected connectivity measured during resting-state.  ... 
doi:10.3389/fnint.2018.00022 pmid:29946244 pmcid:PMC6005822 fatcat:t6fw2jzmqzcwpg4ccjq7rh3qaq

Glucocorticoid ultradian rhythmicity differentially regulates mood and resting state networks in the human brain: a randomised controlled clinical trial

Konstantinos Kalafatakis, Georgina M. Russell, Stuart G. Ferguson, Meryem Grabski, Catherine J. Harmer, MunafoMarcus R. Munafò, Nicola Marchant, Aileen Wilson, Jonathan C. Brooks, Jamini Thakrar, Patrick Murphy, Ngoc J. Thai (+1 others)
2020 Psychoneuroendocrinology  
variation, (iii) the within-network functional connectivity of various large-scale resting state networks of the human brain, (iv) the functional connectivity of the default-mode, salience and executive  ...  neuropsychological effects of cortisol pulsatility with relevance to the goal of optimising glucocorticoid replacement strategies.  ...  Acknowledgements We thank the clinicians from the Pharmacy of the Bristol Royal Infirmary for their crucial contribution in the randomisation process of the study and for realising its double-blind, placebo-controlled  ... 
doi:10.1016/j.psyneuen.2020.105096 pmid:33296841 pmcid:PMC7895801 fatcat:wmkpdduf5zabdlm5eabwvktqai

Alterations of Intrinsic Brain Connectivity Patterns in Depression and Bipolar Disorders: A Critical Assessment of Magnetoencephalography-Based Evidence

Golnoush Alamian, Ana-Sofía Hincapié, Etienne Combrisson, Thomas Thiery, Véronique Martel, Dmitrii Althukov, Karim Jerbi
2017 Frontiers in Psychiatry  
MEG resting-state studies provide an important window onto perturbed spontaneous oscillatory brain networks and hence supply an important complement to fMRI-based resting-state measurements in psychiatric  ...  In this article, we review recent findings in MEG resting-state connectivity within two mood disorders: major depressive disorder (MDD) and bipolar disorder (BD).  ...  The atypical resting-state organization of their brain appears to correlate with their cognitive and emotional symptoms (88) .  ... 
doi:10.3389/fpsyt.2017.00041 pmid:28367127 pmcid:PMC5355450 fatcat:l5z6lrfoezdzlcpmyydbvgsotq

Identifying Diurnal Variability of Brain Connectivity Patterns Using Graph Theory

Farzad V. Farahani, Magdalena Fafrowicz, Waldemar Karwowski, Bartosz Bohaterewicz, Anna Maria Sobczak, Anna Ceglarek, Aleksandra Zyrkowska, Monika Ostrogorska, Barbara Sikora-Wachowicz, Koryna Lewandowska, Halszka Oginska, Anna Beres (+2 others)
2021 Brain Sciences  
In the current study, using network neuroscience and resting-state functional MRI (rs-fMRI) data, we examined the effect of both time of day and the individual's chronotype on whole-brain network organization  ...  These findings show the variability of the functional neural network architecture during the day and improve our understanding of the role of time of day in resting-state functional networks.  ...  During the resting state, participants were instructed to lie in the scanner with their eyes open while thinking of nothing, and to remain awake throughout the scanning session.  ... 
doi:10.3390/brainsci11010111 pmid:33467070 pmcid:PMC7830976 fatcat:kpu2ji3l7vanbou76cqwe3rzuu

Increased Amplitude of Thalamocortical Low-Frequency Oscillations in Patients with Migraine

Duncan J. Hodkinson, Sophie L. Wilcox, Rosanna Veggeberg, Rodrigo Noseda, Rami Burstein, David Borsook, Lino Becerra
2016 Journal of Neuroscience  
Rhythmic cortical feedback to the thalamus is a major factor in the amplification of thalamocortical oscillations, making it a strong candidate for influencing neuronal excitability.  ...  Rhythmic cortical feedback to the thalamus is a major factor in the amplification of thalamocortical oscillations, making it a strong candidate for influencing neuronal excitability and higher-level processes  ...  resting-state fMRI signal.  ... 
doi:10.1523/jneurosci.1038-16.2016 pmid:27466345 pmcid:PMC4961783 fatcat:b7a6d5yfn5borg2tmk2c3bxvq4

EEG: Origin and Measurement [chapter]

Fernando Lopes da Silva
2009 EEG - fMRI  
As the resting state plays an important role in many fMRI experiments, the simultaneous recording of fMRI and EEG is advisable; see the chapters "Brain Rhythms", "Sleep", "EEG-fMRI in Adults with Focal  ...  Results suggest that the resting state varies among subjects, and sometimes even within one subject.  ... 
doi:10.1007/978-3-540-87919-0_2 fatcat:wfhexvuopregje3bwloaggr75y

Differentiating trait pain from state pain

Karen D. Davis, Joshua C. Cheng
2019 PAIN Reports  
also more broadly to their trait pain, which may be more reflective of their general condition.  ...  However, if one remains in a different state other than their set point for a considerable period (eg, induced by a disease), this different state can be considered to be a new set point that also has  ...  Acknowledgments The authors thank their trainees and collaborators for their contributions to the findings and discussion of ideas expressed in this article. K.D.  ... 
doi:10.1097/pr9.0000000000000735 pmid:31579845 pmcid:PMC6727997 fatcat:eyq3by5b4ncqrpqn5jdycevhkq

Functional connectivity changes in adults with developmental stuttering: a preliminary study using quantitative electro-encephalography

Kathleen Joos, Dirk De Ridder, Ronny A. Boey, Sven Vanneste
2014 Frontiers in Human Neuroscience  
Furthermore, we used standardized low resolution brain electromagnetic tomography (sLORETA) analyses to look at resting state activity and functional connectivity differences and their correlations with  ...  Therefore we focused on resting state brain activity and functional connectivity. Method: We included 11 patients with developmental stuttering and 11 age matched controls.  ...  Recently, Xuan et al. (2012) investigated the amplitude of low-frequency alterations (ALFF) by resting state fMRI, a reflection of resting state local brain activity (Zang et al., 2007; Zuo et al.,  ... 
doi:10.3389/fnhum.2014.00783 pmid:25352797 pmcid:PMC4195313 fatcat:wlg6npilzzg6hhmuduav6kmu3i

EEG Measurement as a Tool for Rehabilitation Assessment and Treatment [chapter]

Hideki Nakano
2020 Electroencephalography [Working Title]  
In addition, recent advances in analysis and measurement techniques have made it possible to estimate the source of EEG signals, thus serving as a method to evaluate rehabilitation.  ...  EEG-electromyography coherence is a method to analyze the synchronization between the motor cortex and muscle activity during movement and to quantitatively assess how the motor cortex controls muscle  ...  In light of this, dividing brain waves according to the temporal similarity of their spatial distribution on the scalp is considered a potentially useful method for studying information processing within  ... 
doi:10.5772/intechopen.94875 fatcat:qqirxnocgzd7legbgzju4gruqy

Task-evoked functional connectivity does not explain functional connectivity differences between rest and task conditions

Lauren K. Lynch, Kun-Han Lu, Haiguang Wen, Yizhen Zhang, Andrew J. Saykin, Zhongming Liu
2018 Human Brain Mapping  
1 During complex tasks, patterns of functional connectivity (FC) differ from those in the 2 resting state. What accounts for such differences remains unclear.  ...  The difference 4 in FC between a task state and resting state may reflect not only task-evoked connectivity, but 5 also changes in spontaneously emerging networks.  ...  Disentangling their differential contributions to the pattern of apparent FC is essential 30 to proper interpretation of any FC difference between a task and resting-state, or between 31 different tasks  ... 
doi:10.1002/hbm.24335 pmid:30144210 fatcat:5lizkukpkzhixcngamforvxkvi

Robust Reproducible Resting State Networks in the Awake Rodent Brain

Lino Becerra, Gautam Pendse, Pei-Ching Chang, James Bishop, David Borsook, Yong He
2011 PLoS ONE  
Resting state networks (RSNs) have been studied extensively with functional MRI in humans in health and disease to reflect brain function in the un-stimulated state as well as reveal how the brain is altered  ...  RSN reported studies in rodents, however, are few, and most studies are performed with anesthetized rodents that might alter networks and differ from their non-anesthetized state.  ...  Resting State Networks in Awake Rats. Components (C1-C7) are ordered according to their reproducibility degree.  ... 
doi:10.1371/journal.pone.0025701 pmid:22028788 pmcid:PMC3196498 fatcat:vhpgiqlqdbazxiosgzv6suaxbq

Neural Networks and Neurofeedback in Parkinson's Disease

Sanad Esmail, David Linden
2014 NeuroRegulation  
This could be accompanied by specific therapeutic changes in behavior and clinical symptomatology in disease, according to the neural circuits that are modulated.  ...  Most neurofeedback research has used electroencephalography (EEG) but recently neurovascular signals measured with functional magnetic resonance imaging (fMRI) have been targeted as well.  ...  For example, pattern classifiers could conceivably be trained to distinguish distributed neural activation patterns and functional connectivity states between PD patients and healthy volunteers (or between  ... 
doi:10.15540/nr.1.3-4.240 fatcat:5aluiq3arjf3hp2ferbsftjqou

Brain–Computer Interfaces Using Sensorimotor Rhythms: Current State and Future Perspectives

Han Yuan, Bin He
2014 IEEE Transactions on Biomedical Engineering  
Many studies over the past two decades have shown that people can use brain signals to convey their intent to a computer using brain-computer interfaces (BCIs).  ...  This article reviews the current state and future perspectives of SMR-based BCI and its clinical applications, in particular focusing on the EEG SMR.  ...  to perform activities of daily living.  ... 
doi:10.1109/tbme.2014.2312397 pmid:24759276 pmcid:PMC4082720 fatcat:5fewrbg46jccppjkpzavxis2dm

Task-Evoked Functional Connectivity Does Not Explain Functional Connectivity Differences Between Rest and Task Conditions [article]

Lauren K. Lynch, Kun-Han Lu, Haiguang Wen, Yizhen Zhang, Andrew J. Saykin, Zhongming Liu
2018 bioRxiv   pre-print
During complex tasks, patterns of functional connectivity (FC) differ from those in the resting state. What accounts for such differences remains unclear.  ...  The difference in FC between a task state and resting state may reflect not only task-evoked connectivity, but also changes in spontaneously emerging networks.  ...  Disentangling their differential contributions to the pattern of apparent FC is essential 30 to proper interpretation of any FC difference between a task and resting-state, or between 31 different tasks  ... 
doi:10.1101/252759 fatcat:yqwb37qq5feexpebzqhi5f5jci

Recovery from disorders of consciousness: mechanisms, prognosis and emerging therapies

Brian L. Edlow, Jan Claassen, Nicholas D. Schiff, David M. Greer
2020 Nature Reviews Neurology  
We also describe the developments in pharmacological and electrophysiological therapies that are creating new opportunities to improve the lives of patients with DoC.  ...  In this Review, we focus on mechanisms of recovery from DoC in the acute and subacute-to-chronic stages, and we discuss recent progress in detecting and predicting recovery of consciousness.  ...  EEG spectral measures have been found to correlate with functional connectivity measures derived from resting-state fMRI 162 , supporting the network-based paradigm of acute DoC pathogenesis.  ... 
doi:10.1038/s41582-020-00428-x pmid:33318675 pmcid:PMC7734616 fatcat:rylz6rfpofembpje5232ryivqu
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