Explanipedia

Investigation of layer-specific BOLD signal in the human visual cortex during visual attention Open

Tim van Mourik, Peter J. Koopmans, Lauren J. Bains, David G. Norris, Janneke F. M. Jehee · 2023

Directing spatial attention towards a particular stimulus location enhances cortical responses at corresponding regions in cortex. How attention modulates the laminar response profile within the attended region remains unclear, however. In…

Inducing a mental context for associative memory formation with real-time fMRI neurofeedback Open

Silvy Collin, P.L.C. van den Broek, Tim van Mourik, Peter Desain, Christian F. Doeller · 2022

Memory, one of the hallmarks of human cognition, can be modified when humans voluntarily modulate neural population activity using neurofeedback. However, it is currently unknown whether neurofeedback can influence the integration of memor…

Relating neural oscillations to laminar fMRI connectivity in visual cortex Open

René Scheeringa, Mathilde Bonnefond, Tim van Mourik, Ole Jensen, David G. Norris , et al. · 2022

Laminar functional magnetic resonance imaging (fMRI) holds the potential to study connectivity at the laminar level in humans. Here we analyze simultaneously recorded electroencephalography (EEG) and high-resolution fMRI data to investigat…

Inducing a mental context for associative memory formation with real-time fMRI neurofeedback Open

Silvy Collin, Philip van den Broek, Tim van Mourik, Peter Desain, Christian F. Doeller · 2022

Memory, one of the hallmarks of human cognition, can be modified when humans voluntarily modulate single neuron or neural population activity using neurofeedback. However, it is currently unknown whether memory is facilitated or impaired a…

Integration of visual motion and pursuit signals in areas V3A and V6+ across cortical depth using 9.4T fMRI Open

Fatemeh Molaei-Vaneghi, Natalia Zaretskaya, Tim van Mourik, J Bause, Klaus Scheffler , et al. · 2021

Neural mechanisms underlying a stable perception of the world during pursuit eye movements are not fully understood. Both, perceptual stability as well as perception of real (i.e. objective) motion are the product of integration between mo…

Investigation of layer specific BOLD in the human visual cortex during visual attention Open

Tim van Mourik, Peter J. Koopmans, Lauren J. Bains, David G. Norris, Janneke F. M. Jehee · 2021

Directing spatial attention towards a particular stimulus location enhances cortical responses at corresponding regions in cortex. How attention modulates the laminar response profile within the attended region, however, remains unclear. I…

Relating neural oscillations to laminar fMRI connectivity Open

René Scheeringa, Mathilde Bonnefond, Tim van Mourik, Ole Jensen, David G. Norris , et al. · 2020

Summary Laminar fMRI holds the potential to study connectivity at the laminar level in humans. Here we analyze simultaneously recorded EEG and high resolution fMRI data to investigate how EEG power modulations, induced by a task with an at…

Laminar fMRI Analysis Pipeline Open

Tim van Mourik · 2020

An end-to-end base pipeline for laminar fMRI analysis and an example data set.

Attentional modulation of layer dependent activation in primary visual cortex Open

Tim van Mourik · 2020

Directing spatial attention towards a particular stimulus enhances cortical responses at corresponding regions in cortex. How attention modulates the laminar response profile within the attended region, however, remains unclear. In this pa…

Improved cortical boundary registration for locally distorted fMRI scans Open

Tim van Mourik, Peter J. Koopmans, David G. Norris · 2019

With continuing advances in MRI techniques and the emergence of higher static field strengths, submillimetre spatial resolution is now possible in human functional imaging experiments. This has opened up the way for more specific types of …

Laminar specific fMRI reveals directed interactions in distributed networks during language processing Open

Daniel Sharoh, Tim van Mourik, Lauren J. Bains, Katrien Segaert, Kirsten Weber , et al. · 2019

Significance Laminar resolution, functional MRI (lfMRI) is a noninvasive technique with the potential to distinguish top-down and bottom-up signal contributions on the basis of laminar specific interactions between distal regions. Hitherto…

RainCloudPlots/RainCloudPlots: WellcomeOpenResearch Open

Kirstie Whitaker, TomRhysMarshall, Tim van Mourik, Paula Andrea Martinez, davide poggiali , et al. · 2019

This is the second release of the RainCloudPlots tutorials. It accompanies the Wellcome Open Research preprint Raincloud plots: a multi-platform tool for robust data visualization. Allen M, Poggiali D, Whitaker K et al. Raincloud plots: a …

Laminar Specific fMRI Reveals Directed Interactions in Distributed Networks During Language Processing Open

Daniel Sharoh, Tim van Mourik, Lauren J. Bains, Katrien Segaert, Kirsten Weber , et al. · 2019

Laminar resolution, functional magnetic resonance imaging (lfMRI) is a noninvasive technique with the potential to distinguish top-down and bottom-up signal contributions on the basis of laminar specific interactions between distal regions…

Laminar signal extraction over extended cortical areas by means of a spatial GLM Open

Tim van Mourik, Jan P. J. M. van der Eerden, Pierre‐Louis Bazin, David G. Norris · 2019

There is converging evidence that distinct neuronal processes leave distinguishable footprints in the laminar BOLD response. However, even though the achievable spatial resolution in functional MRI has much improved over the years, it is s…

Laminar Organization of Working Memory Signals in Human Visual Cortex Open

Samuel J. Lawrence, Tim van Mourik, Peter Kok, Peter J. Koopmans, David G. Norris , et al. · 2018

Disentangling causal webs in the brain using functional magnetic resonance imaging: A review of current approaches Open

Natalia Bielczyk, Sebo Uithol, Tim van Mourik, Paul Anderson, Jeffrey Glennon , et al. · 2018

In the past two decades, functional Magnetic Resonance Imaging (fMRI) has been used to relate neuronal network activity to cognitive processing and behavior. Recently this approach has been augmented by algorithms that allow us to infer ca…

Porcupine: A visual pipeline tool for neuroimaging analysis Open

Tim van Mourik, Lukas Snoek, Tomas Knapen, David G. Norris · 2018

The field of neuroimaging is rapidly adopting a more reproducible approach to data acquisition and analysis. Data structures and formats are being standardised and data analyses are getting more automated. However, as data analysis becomes…

Laminar signal extraction over extended cortical areas by means of a spatial GLM Open

Tim van Mourik, J.P. van der Eerden, Pierre‐Louis Bazin, David G. Norris · 2018

There is converging evidence that distinct neuronal processes leave distinguishable footprints in the laminar BOLD response. However, even though the achievable spatial resolution in functional MRI has much improved over the years, it is s…

Improved cortical boundary registration for locally distorted fMRI scans Open

Tim van Mourik, Peter J. Koopmans, David G. Norris · 2018

With continuing advances in MRI techniques and the emergence of higher static field strengths, submillimetre spatial resolution is now possible in human functional imaging experiments. This has opened up the way for more specific types of …

TimVanMourik/Porcupine: Plos Computational Biology Edition Open

Tim van Mourik, Lukas Snoek, Bradyn Walsh, Tomas Knapen, Jakub Kaczmarzyk · 2018

Several bug fixes after helpful comments from the reviewers. Among other things, several bugs for Mac have been resolved, we updated the layout to be more user friendly and transparent, and the repository how has a Zenodo static link, DOI …

Laminar Organization of Working Memory Signals in Human Visual Cortex Open

Samuel J. Lawrence, Tim van Mourik, Peter Kok, Peter J. Koopmans, David G. Norris , et al. · 2018

Porcupine: a visual pipeline tool for neuroimaging analysis Open

Tim van Mourik, Lukas Snoek, Tomas Knapen, David G. Norris · 2017

The field of neuroimaging is rapidly adopting a more reproducible approach to data acquisition and analysis. Data structures and formats are being standardised and data analyses are getting more automated. However, as data analysis becomes…

Disentangling causal webs in the brain using functional Magnetic\n Resonance Imaging: A review of current approaches Open

Natalia Bielczyk, Sebo Uithol, Tim van Mourik, Paul A. Anderson, Jeffrey Glennon , et al. · 2017

In the past two decades, functional Magnetic Resonance Imaging has been used\nto relate neuronal network activity to cognitive processing and behaviour.\nRecently this approach has been augmented by algorithms that allow us to infer\ncausa…

Disentangling causal webs in the brain using functional Magnetic Resonance Imaging: A review of current approaches Open

Natalia Bielczyk, Sebo Uithol, Tim van Mourik, Paul Anderson, Jeffrey Glennon , et al. · 2017

In the past two decades, functional Magnetic Resonance Imaging has been used to relate neuronal network activity to cognitive processing and behaviour. Recently this approach has been augmented by algorithms that allow us to infer causal l…

The relationship between oscillatory EEG activity and the laminar-specific BOLD signal Open

René Scheeringa, Peter J. Koopmans, Tim van Mourik, Ole Jensen, David G. Norris · 2016

Significance In this study, we demonstrate that α-, β-, and γ-oscillations can be related to activity in different cortical layers in the human brain. These cortical layers are believed to instantiate feedforward and feedback information s…

Selective Activation of the Deep Layers of the Human Primary Visual Cortex by Top-Down Feedback Open

Peter Kok, Lauren J. Bains, Tim van Mourik, David G. Norris, Floris P. de Lange · 2016

Diffusion tensor characteristics of gyrencephaly using high resolution diffusion MRI in vivo at 7T Open

Michiel Kleinnijenhuis, Tim van Mourik, David G. Norris, Dirk J. Ruiter, Anne‐Marie van Cappellen van Walsum , et al. · 2015

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