ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2011
Variability of the relationship between electrophysiology and BOLD-fMRI across cortical regions in humans.
Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 111 papers, 1 of them a synthesis that pooled it.
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Who cites it
111 citing papers in PubMed, 1 synthesis or guideline pooled it, 182 citations in OpenAlex.
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- Comparison of lateralization and spatial patterns of hemodynamic and neuromagnetic language brain mapping.Clinical neurophysiology practice · 2025Article
- Cortical sites critical to language function act as connectors between language subnetworks.Nature communications · 2024Article
- Subcallosal cingulate deep brain stimulation evokes two distinct cortical responses via differential white matter activation.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Measurement of the Mapping between Intracranial EEG and fMRI Recordings in the Human Brain.Bioengineering (Basel, Switzerland) · 2024Article
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- The spatiotemporal dynamics of semantic integration in the human brain.Nature communications · 2023Article
- Characterizing brain stage-dependent pupil dynamics based on lateral hypothalamic activity.Cerebral cortex (New York, N.Y. : 1991) · 2023Article
51 more citing papers are in PubMed but not listed here.
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5 authors at 1 institution in 1 country.
Funding
Abstract
The relationship between blood oxygenation level-dependent (BOLD) functional MRI (fMRI) signal and the underlying neural electrical activity in humans is a topic of intense interest to systems neuroscience. This relationship has generally been assumed to be invariant regardless of the brain region and the cognitive task being studied. We critically evaluated these assumptions by comparing the BOLD-fMRI response with local field potential (LFP) measurements during visually cued common noun and verb generation in 11 humans in whom 1210 subdural electrodes were implanted. As expected, power in the mid-gamma band (60-120 Hz) correlated positively (r(2) = 0.16, p < 10(-16)) and power in the beta band (13-30 Hz) correlated negatively (r(2) = 0.09, p < 10(-16)) with the BOLD signal change. Beta and mid-gamma band activity independently explain different components of the observed BOLD signal. Importantly, we found that the location (i.e., lobe) of the recording site modulates the relationship between the electrocorticographic (ECoG) signal and the observed fMRI response (p < 10(-16), F(21,1830) = 52.7), while the type of language task does not. Across all brain regions, ECoG activity in the gamma and beta bands explains 22% of the fMRI response, but if the lobar location is considered, 28% of the variance can be explained. Further evaluation of this relationship at the level of individual gyri provides additional evidence of differences in the BOLD-LFP relationship by cortical locus. This spatial variability in the relationship between the fMRI signal and neural activity carries implications for modeling of the hemodynamic response function, an essential step for interregional fMRI comparisons.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.