Cited by 144Advanced MRI Techniques and ApplicationsFunctional Brain Connectivity StudiesAdvanced Neuroimaging Techniques and Applications

A hemodynamic model for layered BOLD signals

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Heinzle, Jakob, Koopmans, Peter J., den Ouden, Hanneke E.M., Raman, Sudhir, Stephan, Klaas Enno·2016·NeuroImage

Abstract

High-resolution blood oxygen level dependent (BOLD) functional magnetic resonance imaging (fMRI) at the sub-millimeter scale has become feasible with recent advances in MR technology. In principle, this would enable the study of layered cortical circuits, one of the fundaments of cortical computation. However, the spatial layout of cortical blood supply may become an important confound at such high resolution. In particular, venous blood draining back to the cortical surface perpendicularly to the layered structure is expected to influence the measured responses in different layers. Here, we present an extension of a hemodynamic model commonly used for analyzing fMRI data (in dynamic causal models or biophysical network models) that accounts for such blood draining effects by coupling local hemodynamics across layers. We illustrate the properties of the model and its inversion by a series of simulations and show that it successfully captures layered fMRI data obtained during a simple visual experiment. We conclude that for future studies of the dynamics of layered neuronal circuits with high-resolution fMRI, it will be pivotal to include effects of blood draining, particularly when trying to infer on the layer-specific connections in cortex--a theme of key relevance for brain disorders like schizophrenia and for theories of brain function such as predictive coding.

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Crossref · 10.1016/j.neuroimage.2015.10.025

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  • Signals in upper cortical layers are contaminated by blood draining effects from lower layers, confounding the identification of layer-specific activity and connections and requiring adaptation of generative models of fMRI data.

    “However, signals in upper cortical layers are contaminated by blood draining effects from lower layers. This confounds the identification of layer-specific activity and connections and requires adapting generative models of fMRI data.”

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  1. Ivanov, D., Schäfer, A., Deistung, A., Streicher, M.N., Kabisch, S., Henseler, I., Roggenhofer, E., Jochimsen, T.H., Ferdinand, Schweser F., Reichenbach, J.R., Uludag, K., Turner, R., 2013. In vivo estimation of the transverse relaxation time dependence of blood on oxygena- tion level at 7 Tesla. Proceedings of the International Society of Magnetic Resonance in Medicine 21. Salt Lake City, Utah, USA, p. 2472.

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Authors
Heinzle, J., Koopmans, P. J., den Ouden, H. E. M., Raman, S., & Stephan, K. E.
Affiliations
  • University of Zurich (CH)
  • University of Oxford (GB)
  • Wellcome Centre for Human Neuroimaging (GB)
Corresponding author
Heinzle, Jakob
Venue
NeuroImage
Publisher
Elsevier BV
Published
2016-01
Volume
125
Pages
556-570
ISSN
1053-8119 (ISSN-L)
OpenAlex
W1937872394
Cited by
144
References
73
Citations by year
2026: 7 · 2025: 14 · 2024: 14 · 2023: 12 · 2022: 12 · 2021: 21 · 2020: 20 · 2019: 13 · 2018: 7 · 2017: 15 · 2016: 8
FWCI
8.12
Type
journal article
Language
en
Open access
Locations
  • NeuroImage (publishedVersion)
  • PubMed (publishedVersion)
  • Zurich Open Repository and Archive (University of Zurich) (acceptedVersion)
  • Radboud Repository (Radboud University) (submittedVersion)
  • Universitätsbibliographie, Universität Duisburg-Essen (submittedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion)
  • Zurich Open Repository and Archive (University of Zurich) (submittedVersion)
  • Zurich Open Repository and Archive (University of Zurich)
Funders
  • Wellcome Trust (091593, WT100092MA)
  • Nederlandse Organisatie voor Wetenschappelijk Onderzoek
  • Universität Zürich
  • René und Susanne Braginsky Stiftung
Topics
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced MRI Techniques and Applications
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced Neuroimaging Techniques and Applications
Keywords
BOLD fMRI, hemodynamic modeling, dynamic causal modeling, model inversion, visual stimulation, predictive coding, schizophrenia
MeSH terms
Algorithms, Brain, Brain Mapping, Hemodynamics, Humans, Image Processing, Computer-Assisted, Magnetic Resonance Imaging, Models, Neurological, Models, Theoretical, Oxygen

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