Frederik Van de Steen
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View article: Conversion of PASAT3 scores into SDMT scores for cognitive research in people with multiple sclerosis
Conversion of PASAT3 scores into SDMT scores for cognitive research in people with multiple sclerosis Open
A conversion of PASAT3 into SDMT scores can be performed based on our formula, accounting for demographic and test-performance interactions. Our approach not only addresses a methodological challenge by aligning past and present cognitive …
View article: Preferential signal pathways during the perception and imagery of familiar scenes: An effective connectivity study
Preferential signal pathways during the perception and imagery of familiar scenes: An effective connectivity study Open
The perception and imagery of landmarks activate similar content‐dependent brain areas, including occipital and temporo‐medial brain regions. However, how these areas interact during visual perception and imagery of scenes, especially when…
View article: Frontal effective connectivity increases with task demands and time on task: a Dynamic Causal Model of electrocorticogram in macaque monkeys
Frontal effective connectivity increases with task demands and time on task: a Dynamic Causal Model of electrocorticogram in macaque monkeys Open
We apply Dynamic Causal Models to electrocorticogram recordings from two macaque monkeys performing a problem-solving task that engages working memory, and induces time-on-task effects. We thus provide a computational account of changes in…
View article: Dynamic causal modelling shows a prominent role of local inhibition in alpha power modulation in higher visual cortex
Dynamic causal modelling shows a prominent role of local inhibition in alpha power modulation in higher visual cortex Open
During resting-state EEG recordings, alpha activity is more prominent over the posterior cortex in eyes-closed (EC) conditions compared to eyes-open (EO). In this study, we characterized the difference in spectra between EO and EC conditio…
View article: Cognitive-motor telerehabilitation in multiple sclerosis (CoMoTeMS): study protocol for a randomised controlled trial
Cognitive-motor telerehabilitation in multiple sclerosis (CoMoTeMS): study protocol for a randomised controlled trial Open
Background The management of cognitive impairment is an important goal in the treatment of multiple sclerosis (MS). While cognitive rehabilitation has been proven to be effective in improving cognitive performance in MS, research in the el…
View article: Investigation on how dynamic effective connectivity patterns encode the fluctuating pain intensity in chronic migraine
Investigation on how dynamic effective connectivity patterns encode the fluctuating pain intensity in chronic migraine Open
View article: Individual differences in mental imagery modulate effective connectivity of scene-selective regions during resting state
Individual differences in mental imagery modulate effective connectivity of scene-selective regions during resting state Open
View article: Dynamic causal modelling shows a prominent role of local inhibition in alpha power modulation in higher visual cortex
Dynamic causal modelling shows a prominent role of local inhibition in alpha power modulation in higher visual cortex Open
During resting-state EEG recordings, alpha activity is more prominent over the posterior cortex in eyes-closed (EC) conditions compared to eyes-open (EO). In this study, we characterized the difference in spectra between EO and EC conditio…
View article: Investigation on How Dynamic Effective Connectivity Patterns Encode the Fluctuating Pain Intensity in Chronic Migraine
Investigation on How Dynamic Effective Connectivity Patterns Encode the Fluctuating Pain Intensity in Chronic Migraine Open
Chronic migraine is characterised by persistent headaches for more than 15 days per month; the intensity of the pain is fluctuating over time. Here, we explored the dynamic interplay of connectivity patterns between regions known to be rel…
View article: Frontal effective connectivity increases with task demands and time on task: a Dynamic Causal Model of electrocorticogram in macaque monkeys
Frontal effective connectivity increases with task demands and time on task: a Dynamic Causal Model of electrocorticogram in macaque monkeys Open
We apply Dynamic Causal Models to electrocorticogram recordings from two macaque monkeys performing a problem-solving task that engages working memory, and induces time-on-task effects. We thus provide a computational account of changes in…
View article: Individual Differences in Mental Imagery Modulate Effective Connectivity of Scene-Selective Regions During Resting State
Individual Differences in Mental Imagery Modulate Effective Connectivity of Scene-Selective Regions During Resting State Open
Successful navigation relies on the ability to identify, perceive, and correctly process the spatial structure of a scene. It is well known that visual mental imagery plays a crucial role in navigation. Indeed, cortical regions encoding na…
View article: How hot is the hot zone? Computational modelling clarifies the role of parietal and frontoparietal connectivity during anaesthetic-induced loss of consciousness
How hot is the hot zone? Computational modelling clarifies the role of parietal and frontoparietal connectivity during anaesthetic-induced loss of consciousness Open
View article: How hot is the hot zone? Computational modelling clarifies the role of parietal and frontoparietal connectivity during anaesthetic-induced loss of consciousness
How hot is the hot zone? Computational modelling clarifies the role of parietal and frontoparietal connectivity during anaesthetic-induced loss of consciousness Open
In recent years, specific cortical networks have been proposed to be crucial for sustaining consciousness, including the posterior hot zone and frontoparietal resting state networks (RSN). Here, we computationally evaluate the relative con…
View article: Dynamic Causal Modelling of the Reduced Habituation to Painful Stimuli in Migraine: An EEG Study
Dynamic Causal Modelling of the Reduced Habituation to Painful Stimuli in Migraine: An EEG Study Open
A consistent finding in migraine is reduced cortical habituation to repetitive sensory stimuli. This study investigated brain dynamics underlying the atypical habituation to painful stimuli in interictal migraine. We investigated modulatio…
View article: Complete hemispherotomy leads to lateralized functional organization and lower level of consciousness in the isolated hemisphere
Complete hemispherotomy leads to lateralized functional organization and lower level of consciousness in the isolated hemisphere Open
Objective To quantify whole‐brain functional organization after complete hemispherotomy, characterizing unexplored plasticity pathways and the conscious level of the dissected hemispheres. Methods Evaluation with multimodal magnetic resona…
View article: Disambiguating the role of blood flow and global signal with partial information decomposition
Disambiguating the role of blood flow and global signal with partial information decomposition Open
View article: The effect of global signal regression on DCM estimates of noise and effective connectivity from resting state fMRI
The effect of global signal regression on DCM estimates of noise and effective connectivity from resting state fMRI Open
View article: Effective connectivity modulations related to win and loss outcomes
Effective connectivity modulations related to win and loss outcomes Open
View article: Connectivity between the cerebrum and cerebellum during social and non-social sequencing using dynamic causal modelling
Connectivity between the cerebrum and cerebellum during social and non-social sequencing using dynamic causal modelling Open
This analysis explores the effective connectivity of the cerebellum with the cerebral cortex during the generation of correct sequences of social and non-social events, using dynamic causal modelling (DCM). Our hypothesis is that during hu…
View article: Functional cortico-subcortical reorganization after complete hemispheric disconnection for intractable epilepsy
Functional cortico-subcortical reorganization after complete hemispheric disconnection for intractable epilepsy Open
Hemispherotomy is a treatment for drug-resistant epilepsy with the whole hemisphere involved in seizure onset. As recovery mechanisms are still debated, we characterize functional reorganization with multimodal MRI in two children operated…
View article: The effect of global signal regression on DCM estimates of noise and effective connectivity from resting state fMRI
The effect of global signal regression on DCM estimates of noise and effective connectivity from resting state fMRI Open
The influence of the global BOLD signal on resting state functional connectivity in fMRI data remains a topic of debate, with little consensus. In this study, we assessed the effects of global signal regression (GSR) on effective connectiv…
View article: Quantifying the Effect of Demixing Approaches on Directed Connectivity Estimated Between Reconstructed EEG Sources
Quantifying the Effect of Demixing Approaches on Directed Connectivity Estimated Between Reconstructed EEG Sources Open
View article: Disambiguating the role of blood flow and global signal with Partial Information Decomposition
Disambiguating the role of blood flow and global signal with Partial Information Decomposition Open
In resting state functional magnetic resonance imaging (rs-fMRI) a common strategy to reduce the impact of physiological noise and other artifacts on the data is to regress out the global signal using global signal regression (GSR). Yet, G…
View article: Dynamic causal modelling of fluctuating connectivity in resting-state EEG
Dynamic causal modelling of fluctuating connectivity in resting-state EEG Open
View article: Disambiguating the role of blood flow and global signal with Partial Information Decomposition
Disambiguating the role of blood flow and global signal with Partial Information Decomposition Open
Event Abstract Back to Event Disambiguating the role of blood flow and global signal with Partial Information Decomposition Nigel Colenbier1*, Frederik Van De Steen1, Lucina Q. Uddin2, Russell A. Poldrack3, Vince Calhoun4, 5 and Daniele Ma…
View article: Dynamic causal modeling of the effective connectivity between the cerebrum and cerebellum in social mentalizing across five studies
Dynamic causal modeling of the effective connectivity between the cerebrum and cerebellum in social mentalizing across five studies Open
View article: Variability and reliability of effective connectivity within the core default mode network: A multi-site longitudinal spectral DCM study
Variability and reliability of effective connectivity within the core default mode network: A multi-site longitudinal spectral DCM study Open
Dynamic causal modelling (DCM) for resting state fMRI - namely spectral DCM - is a recently developed and widely adopted method for inferring effective connectivity in intrinsic brain networks. Most applications of spectral DCM have focuse…
View article: Dynamic causal modelling of fluctuating connectivity in resting-state EEG
Dynamic causal modelling of fluctuating connectivity in resting-state EEG Open
Functional and effective connectivity are known to change systematically over time. These changes might be explained by several factors, including intrinsic fluctuations in activity-dependent neuronal coupling and contextual factors, like …
View article: Variability and reliability of effective connectivity within the core default mode network: A longitudinal spectral DCM study
Variability and reliability of effective connectivity within the core default mode network: A longitudinal spectral DCM study Open
Dynamic causal modelling (DCM) for resting state fMRI – namely spectral DCM – is a recently developed and widely adopted method for inferring effective connectivity in intrinsic brain networks. Most research applying spectral DCM has focus…
View article: Effect of head volume conduction on directed connectivity estimated between reconstructed EEG sources
Effect of head volume conduction on directed connectivity estimated between reconstructed EEG sources Open
Electrical activity recorded on the scalp using electroencephalography (EEG) results from the mixing of signals originating from different regions of the brain as well as from artefactual sources. In order to investigate the role of distin…