Cited by 105Advanced MRI Techniques and ApplicationsOptical Imaging and Spectroscopy TechniquesAdvanced Neuroimaging Techniques and Applications

Estimating the transfer function from neuronal activity to BOLD using simultaneous EEG-fMRI

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Rosa, M.J., Kilner, J., Blankenburg, F., Josephs, O., Penny, W.·2010·NeuroImage

Abstract

Previous studies using combined electrical and hemodynamic measurements of brain activity, such as EEG and (BOLD) fMRI, have yielded discrepant results regarding the relationship between neuronal activity and the associated BOLD response. In particular, some studies suggest that this link, or transfer function, depends on the frequency content of neuronal activity, while others suggest that total neuronal power accounts for the changes in BOLD. Here we explored this dependency by comparing different frequency-dependent and -independent transfer functions, using simultaneous EEG-fMRI. Our results suggest that changes in BOLD are indeed associated with changes in the spectral profile of neuronal activity and that these changes do not arise from one specific spectral band. Instead they result from the dynamics of the various frequency components together, in particular, from the relative power between high and low frequencies. Understanding the nature of the link between neuronal activity and BOLD plays a crucial role in improving the interpretability of BOLD images as well as on the design of more robust and realistic models for the integration of EEG and fMRI.

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Crossref · 10.1016/j.neuroimage.2009.09.011

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  • fMRI signals scale with the predominant frequency of neuronal activity.

    “This is because it is generally assumed that fMRI signals scale with the predominant frequency of neuronal activity (Kilner et al., 2005; Laufs & Duncan 2007; Rosa et al., 2010).”

    From Network discovery with DCM (2011) · cites this paper as Rosa et al., 2010

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  1. Kilner J. Niessing J. Galuske R. Multimodal fusion: neuronal activity and the hemodynamic response Conference Abstract: Human Brain Mapping 2007 Chicago USA

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Authors
Rosa, M. J., Kilner, J., Blankenburg, F., Josephs, O., & Penny, W.
Affiliations
  • Wellcome Centre for Human Neuroimaging (GB)
  • Bernstein Center for Computational Neuroscience Berlin (DE)
Corresponding author
Rosa, M.J.
Venue
NeuroImage
Publisher
Elsevier BV
Published
2010-01
Volume
49
Issue
2
Pages
1496-1509
ISSN
1053-8119 (ISSN-L)
OpenAlex
W2011544331
Cited by
105
References
59
Citations by year
2026: 2 · 2025: 4 · 2024: 5 · 2023: 3 · 2022: 5 · 2021: 4 · 2020: 4 · 2019: 7 · 2018: 6 · 2017: 4 · 2016: 9 · 2015: 6 · 2014: 8 · 2013: 10 · 2012: 9
FWCI
7.02
Type
journal article
Language
en
Open access
Locations
  • NeuroImage (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • UCL Discovery (University College London) (submittedVersion)
  • Research Portal (King's College London) (submittedVersion, other-oa)
Funders
Wellcome Trust and the Portuguese Foundation for Science and Technology (FCT)
Topics
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced MRI Techniques and Applications
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Optical Imaging and Spectroscopy Techniques
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced Neuroimaging Techniques and Applications
Keywords
BOLD signal, neuronal activity, transfer function, EEG-fMRI integration, spectral power, hemodynamic response, simultaneous EEG-fMRI
MeSH terms
Adult, Algorithms, Brain, Electroencephalography, Humans, Magnetic Resonance Imaging, Male, Models, Theoretical, Neurons, Oxygen, Photic Stimulation, Signal Processing, Computer-Assisted, Time Factors, Visual Perception, Cluster Analysis, Artifacts, Nonlinear Dynamics, Principal Component Analysis

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