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Static and Dynamic Resting-State fMRI Connectivity Show Frequency-Resolved Associations With Intracranial EEG Connectivity.

Code ↔ Paper

11 matches between paragraphs of the paper and lines of its authors' code, computed by the harvester (lexical-v1). Click a colored paragraph or line to see its counterpart.

The 11 matches · 4 of them tie a paragraph to a whole file without given lines: weak matches, whose lines are not tinted
  1. [1] § Materials and Methods › Functional Connectivity Analyses (icEEG) ↔ step05_compute_fc_eeg_hilbert_use_fmri_final_seeds.m, lines 1 to 53 · score 0.95 · 13–30 Hz, 31–50 Hz, 8–12 Hz, Band limited power, 51–100 Hz, 4–7 Hz · Report a mismatch
  2. [2] § Results › Sensitivity and Robustness Analyses ↔ Fig_motion_plotting.m, the whole file · a weak match · score 0.69 · moderate motion, Motion robustness, EEG frequency bands, low motion, Dynamic EEG, fMRI · Report a mismatch
  3. [3] § Materials and Methods › Functional Connectivity Analyses (icEEG) ↔ helpers/bandpass_hilbert_envelope.m, the whole file · a weak match · score 0.65 · Hilbert transform, Band limited power, BLP, signals, filtered, frequency bands · Report a mismatch
  4. [4] § Materials and Methods › Sensitivity and Robustness Analyses ↔ step09_spatialStratified_windowLMM.m, lines 206 to 264 · score 0.65 · mesial temporal, frontal, LMT, RMT, LF, insula · Report a mismatch
  5. [5] § Materials and Methods › Functional Connectivity Analyses (fMRI) ↔ step04_compute_fc_fmri.m, lines 5 to 53 · score 0.58 · hemodynamic delay, sliding window, Dynamic FC, shifted, bipolar, fMRI · Report a mismatch
  6. [6] § Materials and Methods › Regions of Interest (ROI) and Electrode‐to‐fMRI Mapping ↔ helpers/extract_bipolar_fMRI_seedTS_excludeIED.m, lines 15 to 43 · score 0.58 · native space, IEDs, ROIs, epileptiform, filtered, Bipolar · Report a mismatch
  7. [7] § Materials and Methods › Functional Connectivity Analyses (fMRI) ↔ step04_compute_fc_fmri.m, lines 5 to 53 · score 0.57 · hemodynamic delay, sliding window, shifted, overlap, bipolar, fMRI · Report a mismatch
  8. [8] § Results › Exploratory Spatially Stratified Dynamic icEEG–fMRI Coupling ↔ step09_spatialStratified_windowLMM.m, lines 206 to 264 · score 0.57 · mesial temporal, spatially stratified, frontal, LMT, RMT, LF · Report a mismatch
  9. [9] § Materials and Methods › Functional Connectivity Analyses (icEEG) ↔ helpers/bandpass_hilbert_envelope.m, the whole file · a weak match · score 0.57 · Hilbert transform, band limited power, BLP, signals, filtered, frequency bands · Report a mismatch
  10. [10] § Materials and Methods › Linear Mixed‐Effects Modeling and Statistical Inference ↔ Step07_build_master_tables.m, lines 1 to 54 · score 0.53 · bipolar channel, dynamic FC, master, demographic, Fisher, covariates · Report a mismatch
  11. [11] § Materials and Methods › Sensitivity and Robustness Analyses ↔ Fig_motion_plotting.m, the whole file · a weak match · score 0.53 · moderate motion, low motion, robustness, LMMs, fMRI, coupling · Report a mismatch

Paper

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The authors' code

MATLAB · 69 lines · 2.1 KB · no license · 2 matches

  1. %% Supplementary figure: Motion robustness of EEG–fMRI coupling
  2. % One-panel plot: beta(ΔEEG FC) across bands
  3. % Low-motion vs moderate-motion with 95% CI
  4. % -------- Paths --------
  5. inCSV = "/Volumes/MIND/ICE/Tara/Kristina_paper/master_tables/GROUP_MASTER/group_stats_outputs_motion/MotionRobustness_LMM_byGroup_thr0p5.csv";
  6. outFig = "/Volumes/MIND/ICE/Tara/Kristina_paper/master_tables/GROUP_MASTER/group_stats_outputs_motion/Fig_Supp_MotionRobustness.png";
  7. % -------- Load data --------
  8. T = readtable(inCSV);
  9. % Ensure correct ordering of bands
  10. bandOrder = ["delta","theta","alpha","beta","low_gamma","high_gamma"];
  11. bandLabels = ["\delta","\theta","\alpha","\beta","low \gamma","high \gamma"];
  12. % Keep only dynamic term (already isolated in table)
  13. T.band = categorical(T.band, bandOrder, "Ordinal", true);
  14. % Split by motion group
  15. Tlow = T(T.motion_group=="low", :);
  16. Tmod = T(T.motion_group=="moderate", :);
  17. % -------- Prepare figure --------
  18. figure("Color","w","Position",[100 100 850 420]);
  19. hold on;
  20. x = 1:numel(bandOrder);
  21. offset = 0.12;
  22. % ---- LOW MOTION ----
  23. y_low = Tlow.beta_dev;
  24. errL_low = y_low - Tlow.ci_low_dev;
  25. errU_low = Tlow.ci_high_dev - y_low;
  26. errorbar(x-offset, y_low, errL_low, errU_low, ...
  27. "o-", "LineWidth",1.6, "MarkerSize",7, ...
  28. "CapSize",10, "DisplayName","Low motion");
  29. % ---- MODERATE MOTION ----
  30. y_mod = Tmod.beta_dev;
  31. errL_mod = y_mod - Tmod.ci_low_dev;
  32. errU_mod = Tmod.ci_high_dev - y_mod;
  33. errorbar(x+offset, y_mod, errL_mod, errU_mod, ...
  34. "s--", "LineWidth",1.6, "MarkerSize",7, ...
  35. "CapSize",10, "DisplayName","Moderate motion");
  36. % -------- Axes & labels --------
  37. set(gca,"XTick",x,"XTickLabel",bandLabels,"FontSize",11);
  38. ylabel("\beta (\Delta EEG FC)","FontWeight","bold");
  39. xlabel("EEG frequency band","FontWeight","bold");
  40. yline(0,"k:","LineWidth",1);
  41. legend(["Low motion","Moderate motion"], ...
  42. "Location","northwest","Box","off");
  43. title("Motion robustness of dynamic EEG–fMRI coupling","FontWeight","bold");
  44. xlim([0.5 numel(x)+0.5]);
  45. box off;
  46. grid on;
  47. % -------- Save --------
  48. exportgraphics(gcf, outFig, "Resolution",300);
  49. close(gcf);
  50. fprintf("[OK] Saved motion robustness figure:\n%s\n", outFig);

Fig_motion_plotting.m at commit 07a5ed8, no license · at the source

Overview

Authors: Tahereh Rashnavadi1,2, Kristina Sabaroedin1,2,3, William Wilson2,4, Daniel J Pittman2,4, Paolo Federico1,2,4, Pierre Levan1,2,5,6
  1. Department of Radiology, University of Calgary, Calgary, Canada
  2. Hotchkiss Brain Institute, University of Calgary, Calgary, Canada
  3. Department of Paediatrics, University of Calgary, Calgary, Canada
  4. Department of Clinical Neurosciences, University of Calgary, Calgary, Canada
  5. Seaman Family MR Research Centre, University of Calgary, Calgary, Canada
  6. Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Canada
Journal: Human brain mapping, volume 47, issue 14, article e70646
Dates: received 29 March 2026; accepted 8 September 2026; published online 30 September 2026; in print October 2026
Type: Research article · Language: English
License: CC BY
Identifiers: DOI 10.1002/hbm.70646 · PMID 42813515 · PMCID PMC13625044 · OpenAlex W7214941582
Open access: gold, a free copy (OpenAlex)
Status: code verified (how the code is found and verified)
Categories: fMRI (modality), intracranial EEG (iEEG / ECoG / SEEG) (modality), human (organism), epilepsy (population), systems (subfield)
Methods: Spectral & time-frequency, Preprocessing, Connectivity, Statistics, Smoothing, state filtering, decompositions, fMRI & imaging, Physiology & signal measures
Keywords: BOLD fluctuations, cross‐modal brain imaging, dynamic functional connectivity, intracranial EEG‐fMRI, neurovascular coupling, resting‐state functional connectivity, static functional connectivity
MeSH: Brain*, Brain Waves*, Connectome*, Electrocorticography*, Epilepsies, Partial*, Magnetic Resonance Imaging*, Nerve Net*, Adult, Female, Humans, Male, Middle Aged, Neural Pathways, Rest, Young Adult (* major topic)
Topic: Functional Brain Connectivity Studies (Cognitive Neuroscience, Neuroscience), according to OpenAlex
Funding: Canadian Institutes of Health Research (CIHR) (PJT-183825); 2026 Canadian Neuroanalytics Scholars (CNS) Program; Natural Sciences and Engineering Research Council of Canada (NSERC) (RGPIN-2021-02797); HBI Inspires Postdoctoral Fellowship in Neuroscience; Hotchkiss Brain Institute, University of Calgary; Alberta Children’s Hospital Research Institute
Citations: not cited yet (Europe PMC); 82 references in the paper

Abstract

Resting‐state functional connectivity (FC) derived from functional MRI (fMRI) is widely used to characterize brain functional organization, yet its electrophysiological basis remains incompletely understood. Here, we investigated how electrophysiological connectivity relates to both static and dynamic fMRI connectivity using simultaneous intracranial EEG (icEEG)–fMRI recordings from 48 adults with focal epilepsy. Linear mixed‐effects models were applied to sampled electrode‐pair connections to examine frequency‐resolved associations between band‐limited icEEG connectivity and corresponding fMRI FC within non‐epileptogenic brain regions. Time‐averaged icEEG connectivity was robustly associated with spatial variation in static fMRI connectivity across sampled connections and frequency bands, with strongest effects in the beta and low‐gamma ranges. At the window level, dynamic fMRI connectivity showed significant positive associations with window‐specific icEEG FC deviations in the alpha, beta, and low‐gamma bands. Exploratory spatial stratification suggested that cross‐modal coupling varied across clinically sampled frontal, temporal, and insular region pairs, and the main findings remained robust after motion‐control analyses. Together, these findings indicate that resting‐state fMRI connectivity is associated with both average electrophysiological coupling across sampled connections and window‐level fluctuations in electrophysiological connectivity, with the strongest primary band‐wise evidence observed in the alpha, beta, and low‐gamma ranges.

Reproduced under the paper's license (CC BY), from the paper cited above.

Repository

Its files are read in the Code ↔ Paper reader above, with 11 matches between paragraphs and lines of code.

rashnavadi/Static-and-dynamic-resting-state-fMRI-icEEG-FC

License: none: the authors keep all their rights
State: the link answers, verified on 12 November 2026
Evidence: files inventoried
Commit: 07a5ed8fc3471830dc324d6334d02e2a9479bdae, 20 February 2026
Languages: MATLAB (46), Python (12)
Size: 71 files, 58 scripts
Software Heritage: not archived
Found in: “Data Availability Statement”
Holds: README
Not found: license file, CITATION.cff, environment file, tests, continuous integration, documentation
Tools: NiBabel (12 files), NumPy (12 files), pandas (12 files), Matplotlib (10 files), Statistics and Machine Learning Toolbox (8 files), Nilearn (7 files), FSL (4 files), Image Processing Toolbox (1 file), Signal Processing Toolbox (1 file)
Availability: 2 checks, the latest on 12 November 2026: the link answers
  • 12 November 2026: the link answers
  • 3 October 2026: the link answers
59 files

The paper's code and data availability statement is in the Data section.

Tracing map

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  • 58 scripts, each with its path and the digest of its content;
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Data

No dataset and no data link were found in the paper.

Data Availability Statement

The data supporting this study are not publicly available due to patient privacy and ethical restrictions. All analysis code required to reproduce the results and figures is publicly available at: https://github.com/rashnavadi/Static‐and‐dynamic‐resting‐state‐fMRI‐icEEG‐FC (https://github.com/rashnavadi/Static-and-dynamic-resting-state-fMRI-icEEG-FC).

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Version 1, 3 October 2026: the first record

Recorded: type, language, journal, volume, issue, pages, dates, 6 authors, 7 keywords, 15 MeSH terms, 6 funders, 82 references.

Cite

This paper

Rashnavadi, T., Sabaroedin, K., Wilson, W., Pittman, D. J., Federico, P., & Levan, P. (2026). Static and Dynamic Resting-State fMRI Connectivity Show Frequency-Resolved Associations With Intracranial EEG Connectivity. Human brain mapping, 47(14), e70646. https://doi.org/10.1002/hbm.70646

BibTeX

@article{rashnavadi2026static,
author = {Rashnavadi, Tahereh and Sabaroedin, Kristina and Wilson, William and Pittman, Daniel J and Federico, Paolo and Levan, Pierre},
title = {{Static and Dynamic Resting-State fMRI Connectivity Show Frequency-Resolved Associations With Intracranial EEG Connectivity}},
journal = {Human brain mapping},
year = {2026},
month = oct,
volume = {47},
number = {14},
pages = {e70646},
publisher = {Wiley},
issn = {1065-9471},
doi = {10.1002/hbm.70646},
url = {https://doi.org/10.1002/hbm.70646},
pmid = {42813515},
pmcid = {PMC13625044}
}

RIS

TY - JOUR
AU - Rashnavadi, Tahereh
AU - Sabaroedin, Kristina
AU - Wilson, William
AU - Pittman, Daniel J
AU - Federico, Paolo
AU - Levan, Pierre
TI - Static and Dynamic Resting-State fMRI Connectivity Show Frequency-Resolved Associations With Intracranial EEG Connectivity
T2 - Human brain mapping
J2 - Hum Brain Mapp
PY - 2026
DA - 2026/10/01
VL - 47
IS - 14
SP - e70646
SN - 1065-9471
PB - Wiley
DO - 10.1002/hbm.70646
UR - https://doi.org/10.1002/hbm.70646
LA - en
ER -

CSL-JSON

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"title": "Static and Dynamic Resting-State fMRI Connectivity Show Frequency-Resolved Associations With Intracranial EEG Connectivity",
"container-title": "Human brain mapping",
"author": [
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"given": "Tahereh"
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"container-title-short": "Hum Brain Mapp",
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"page": "e70646",
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"PMCID": "PMC13625044",
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