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Bursts of regional cortical inhibition during smartphone use.

Code ↔ Paper

3 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 3 matches · all tie a paragraph to a whole file, not to given lines: weak matches, whose lines are not tinted
  1. [1] § STAR★Methods › Method details › EEG recording and preprocessing ↔ ANLgetbetaBurst.m, the whole file · a weak match · score 0.86 · clean_channels, pop_interp, spherical, artifact, EEGLAB, inactive
  2. [2] § STAR★Methods › Method details › EEG recording and preprocessing ↔ src/EEG_analysis/preprocess_EEG/gettechnincallycleanEEG.m, the whole file · a weak match · score 0.79 · pop_interp, bad channels, muscle, spherical, artifact, EEGLAB
  3. [3] § STAR★Methods › Quantification and statistical analysis › β-burst occupancy (BO) ↔ ANLgetBO.m, the whole file · a weak match · score 0.61 · burst occupancy, recording duration, burst duration, BO

Paper

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The authors' code

MATLAB · 142 lines · 5.6 KB · no license · 1 match

  1. function ANLgetbetaBurst(inpath, outpath,subID)
  2. % Wenyu wan, Leiden univerisity, 09/2024, edited: 15/05/2025
  3. cd ([inpath subID]);
  4. setlist = dir('1*.set');
  5. setname = {setlist.name};
  6. % inter-beta burst onset interval JID
  7. for s = 1:length(setname)
  8. outdir = strcat(outpath,subID);
  9. mkdir(outdir)
  10. load('/home/wanw1/toolbox/beta_burst/Orignalchanlocs.mat');
  11. % load dataset/d
  12. cd ([inpath subID]);
  13. EEG = pop_loadset(strcat(inpath, subID,'/', setname{1,s}));
  14. % remove artifact IC
  15. outdir_tmp = [pwd filesep 'amicaout'];
  16. cd(outdir_tmp);
  17. modout = loadmodout15(outdir_tmp);
  18. model_index = 1;
  19. EEG.icawinv = modout.A(:,:,model_index);
  20. EEG.icaweights = modout.W(:,:,model_index);
  21. EEG.icasphere = modout.S;
  22. EEG = eeg_checkset(EEG);
  23. EEG = pop_iclabel(EEG,'default');
  24. EEG = pop_icflag(EEG,[NaN NaN;0.9 1;0.9 1;0.9 1;0.9 1;0.9 1;0.9 1]);
  25. EEG = pop_subcomp(EEG,[],0,0);
  26. % remove eye channels
  27. EEG = pop_select(EEG, 'nochannel',{'E5' 'E64'});
  28. % beta-band filtering
  29. EEG = pop_eegfiltnew(EEG, [],45);
  30. EEG = pop_eegfiltnew(EEG, 1,[]);
  31. % remove unrelevant channels
  32. %EEG = pop_rejchan(EEG, 'threshold', 3, 'norm', 'on', 'measure', 'spec','freqrange',[13 30]);
  33. EEG = clean_channels(EEG,0.85);
  34. % interpolate
  35. EEG = pop_interp(EEG,Orignalchanlocs,'spherical');
  36. % reject inactive data segment
  37. EEG = rejectsegment(EEG,0,0);
  38. % epoch
  39. INEEG = pop_epoch(EEG,{'Phone'},[-3 3],'epochinfo','no');
  40. INEEG = selectepoch(INEEG);
  41. beta_burst_tap = nan(62,length(INEEG.modepoch),6001);
  42. iti = nan(62,length(INEEG.modepoch));
  43. burst_rate_iti = nan(62,length(INEEG.modepoch));
  44. % Define parameters
  45. for c= 1:62 % Channel to analyze
  46. fre_band = [1:1:45]; % Beta-band frequency range (Hz)
  47. beta_band = [13:1:30];
  48. fs = 1000;
  49. m = 7;
  50. time = -1:1/fs:1;
  51. %Create time-frequency power matrix
  52. wavelet_conv_data = zeros(length(fre_band),EEG.pnts);
  53. % from paper
  54. for f_idx = 1:length(fre_band)
  55. % freqs and cycles
  56. freq = fre_band(f_idx);
  57. sigma = m/(2*pi*freq);
  58. % sine and gaussian
  59. sine_wave = exp(1i*2*pi*freq.*time);
  60. gaussian_win = exp(-time.^2./(2*sigma^2));
  61. % normalization factor
  62. normalization_factor = 1 / (sigma * sqrt(2* pi));
  63. % make wavelet
  64. wavelet = normalization_factor .* sine_wave .* gaussian_win;
  65. halfwaveletsize = ceil(length(wavelet)/2); % half of the wavelet size
  66. % convolve with data
  67. n_conv = length(wavelet) + EEG.pnts - 1; % compute Gaussian
  68. % fft
  69. fft_w = fft(wavelet,n_conv);
  70. fft_e = fft(EEG.data(c,:),n_conv);
  71. ift = ifft(fft_e.*fft_w,n_conv);
  72. wavelet_conv_data(f_idx,:) = abs(ift(halfwaveletsize:end-halfwaveletsize+1)).^2;
  73. end
  74. detected_tf = zeros(size(wavelet_conv_data,1),size(wavelet_conv_data,2));
  75. % power threshold
  76. burst_cutoff = 6*nanmedian(wavelet_conv_data');
  77. % detect beta-burst based on power threshold
  78. for f_idx = 1:length(beta_band)
  79. detected_tf(f_idx,:) = wavelet_conv_data(f_idx,:)>burst_cutoff(f_idx);
  80. end
  81. % futher check based on duration burst
  82. detected_tf_new = zeros(size(detected_tf,1),size(detected_tf,2));
  83. for f_idx = 1:length(fre_band)
  84. detected_tf(f_idx,:) = wavelet_conv_data(f_idx,:)>burst_cutoff(f_idx);
  85. betaBurstInds = SplitVec(find(detected_tf(f_idx,:)),'consecutive');
  86. segL = cellfun('length',betaBurstInds); % Find burst lengths
  87. burstSelInds = segL>((1000/fre_band(f_idx))*2); % Select bursts with above min length
  88. burstSelIndsout = betaBurstInds(burstSelInds);
  89. for i = 1:length(burstSelIndsout)
  90. detected_tf_new(f_idx,burstSelIndsout{1,i}) = 1;
  91. end
  92. end
  93. detected_idx = (nansum(detected_tf_new(beta_band,:),1)>0);
  94. freq_prob(c,:) = nanmean(detected_tf_new(beta_band,:),2);
  95. % [M,I] = max(freq_prob(c,:));
  96. % freq_M(c) = M;
  97. % freq_I(c) = beta_band(I);
  98. for e = 2: length(INEEG.modepoch)
  99. try
  100. beta_burst_tap(c,e,:) = detected_idx(INEEG.urevent(INEEG.modepoch(e).eventurevent).latency-3000:INEEG.urevent(INEEG.modepoch(e).eventurevent).latency+3000);
  101. %tf_tap(c,e,:,:) = wavelet_conv_data(beta_band,INEEG.urevent(INEEG.modepoch(e).eventurevent).latency-3000:INEEG.urevent(INEEG.modepoch(e).eventurevent).latency+3000);
  102. iti(c,e) = (INEEG.urevent(INEEG.modepoch(e).eventurevent).latency-INEEG.urevent(INEEG.modepoch(e-1).eventurevent).latency);
  103. burst_rate_iti(c,e) = nansum(detected_idx(INEEG.urevent(INEEG.modepoch(e-1).eventurevent).latency:INEEG.urevent(INEEG.modepoch(e).eventurevent).latency))/iti(c,e);
  104. tap_idx(e) = INEEG.urevent(INEEG.modepoch(e).eventurevent).latency;
  105. %iti_1(e) = (INEEG.urevent(INEEG.modepoch(e+1).eventurevent).latency-INEEG.urevent(INEEG.modepoch(e).eventurevent).latency);
  106. end
  107. end
  108. % burst rate: burst duration/whole duration
  109. % burst_rate_whole(c) = sum(detected_idx>0)/length(detected_idx);
  110. beta_burst_dur(c) = nansum(detected_idx>0);
  111. beta_burst_dur_allfre(c,:) = nansum(detected_tf_new(beta_band,:)>0,2);
  112. recording_dur(c) = length(detected_idx);
  113. % calculate tap num during beta burst
  114. betaburst_idx = find(detected_idx>0);
  115. tapnum(c) = nansum(ismember(tap_idx,betaburst_idx));
  116. end
  117. cd (outdir);
  118. filename = erase(setname{1,s},'.set');
  119. save(strcat(filename,'.mat'),'burst_rate_iti','iti','beta_burst_dur','beta_burst_dur_allfre','recording_dur','beta_burst_tap','freq_prob','tapnum','-v7.3');
  120. end
  121. end

ANLgetbetaBurst.m at commit 23ffe9f, no license · at the source

Overview

Authors: Wenyu Wan1,2, Arko Ghosh1
  1. Cognitive Psychology Unit, Institute of Psychology, Leiden University, Wassenaarseweg 52, Leiden 2333 AK, the Netherlands
  2. Department of Psychology, University of Amsterdam, Nieuwe Achtergracht 129, Amsterdam 1001 NK, the Netherlands
Institutions: Leiden University (Netherlands); University of Amsterdam (Netherlands)
Journal: iScience, volume 29, issue 4, article 115375
Dates: received 30 September 2025; accepted 12 March 2026; published online 16 March 2026
Type: Research article · Language: English
License: CC BY
Identifiers: DOI 10.1016/j.isci.2026.115375 · PMID 41972003 · PMCID PMC13068570 · OpenAlex W7137171762
Open access: gold, a free copy (OpenAlex)
Status: code verified
Methods: Spectral & time-frequency, Statistics, Smoothing, state filtering, decompositions, Machine learning, Physiology & signal measures
Keywords: Neuroscience, Behavioral neuroscience, Cognitive neuroscience, Biomedical engineering, Psychology
Topic: Impact of Technology on Adolescents (Sociology and Political Science, Social Sciences), according to OpenAlex
Funding: Velux Stiftung (1283); China Scholarship Council (202004910349)
Citations: not cited yet (Europe PMC); 50 references in the paper
Research resources: MATLAB RRID:SCR_001622, EEGlab 2024 RRID:SCR_007292, LIMO EEG toolbox RRID:SCR_009592

Abstract

Transient beta (β) bursts—brief neural events—are increasingly recognized for their role in motor and cognitive processes, yet their contribution to naturalistic behavior remains poorly understood. Smartphone behavior, involving continuous varied engagement, provides a rich real-world context to examine these dynamics. We recorded electroencephalography (EEG) as participants interacted with their smartphones using their right thumb for ∼80 min. β-bursts were detected across the scalp, with bilateral sensorimotor electrodes accumulating more bursts than other electrodes. Brain-wide burst probability decreased before touchscreen touches and increased afterward, with the strongest modulation over left sensorimotor cortex. Touches occasionally occurred during bursts, but at lower rates over left sensorimotor regions than elsewhere. Separating touchscreen intervals with versus without bursts revealed an exaggerated difference in sensorimotor cortex: intervals containing bursts were longer. These patterns suggest that continuous smartphone touches are modulated by brief, spatially localized transient bursts that may gate motor execution in sensorimotor networks.

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

Repositories

Its files are read in the Code ↔ Paper reader above, with 3 matches between paragraphs and lines of code.

CODELABCODELIB/JID_ERP_Smartphone_2024

License: none: the authors keep all their rights
State: the link answers, verified on 30 September 2026
Evidence: files inventoried
Commit: 10a90cbbb3f71ba23746cfeefd35910f296a3398, 13 May 2025
Languages: MATLAB (22)
Size: 30 files, 22 scripts
Software Heritage: not archived
Found in: “Data and code availability”
Holds: README
Not found: license file, CITATION.cff, environment file, tests, continuous integration, documentation
Tools: EEGLAB (7 files), Statistics and Machine Learning Toolbox (7 files), ICLabel (3 files), Signal Processing Toolbox (1 file)
Availability: 1 check, the latest on 30 September 2026: the link answers
  • 30 September 2026: the link answers
23 files

CODELABCODELIB/BetaburstInhibition_2025

License: none: the authors keep all their rights
State: the link answers, verified on 30 September 2026
Evidence: files inventoried
Commit: 23ffe9ff2b75e1831bc4d6d69151f83576e13016, 22 August 2025
Languages: MATLAB (5)
Size: 5 files, 5 scripts
Software Heritage: not archived
Found in: “Data and code availability”
Not found: README, license file, CITATION.cff, environment file, tests, continuous integration, documentation
Tools: EEGLAB (5 files), Statistics and Machine Learning Toolbox (3 files), ICLabel (1 file)
Availability: 1 check, the latest on 30 September 2026: the link answers
  • 30 September 2026: the link answers
5 files

CODELABLEIDEN/Non_goal_directed_smartphone_2022

License: MIT
State: the link answers, verified on 30 September 2026
Evidence: files inventoried
Commit: e275fc864c5eb081fac316e870854dd57d9587ce, 9 March 2022
Languages: MATLAB (48), JavaScript (10), Python (6), Shell (1), Jupyter (1)
Size: 165 files, 66 scripts
Software Heritage: not archived
Found in: the resources table
Holds: README, license file, environment (requirements.txt), documentation
Not found: CITATION.cff, tests, continuous integration
Tools: EEGLAB (9 files), scikit-learn (4 files), h5py (3 files), Keras (3 files), Signal Processing Toolbox (3 files), Matplotlib (3 files), NumPy (3 files), pandas (3 files), TensorFlow (2 files), Statistics and Machine Learning Toolbox (1 file)
Availability: 1 check, the latest on 30 September 2026: the link answers
  • 30 September 2026: the link answers
68 files

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

Tracing map

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  • 3 repositories of the authors' code, each at its verified commit, with its license and how the link was found in the paper;
  • 93 scripts, each with its path and the digest of its content;
  • 3 matches between paragraphs of the paper and lines of the code (method lexical-v1);
  • neither the text of the paper nor the code itself.

Its JSON (tracing-map.json) is deposited on Zenodo with its DOI once the map is validated.

Data

Datasets cited

Data and code availability

The processed data have been deposited at https://osf.io/k27n5/overview.

Code for preprocessing analysis has been deposited at https://github.com/CODELABCODELIB/JID_ERP_Smartphone_2024; code for β-burst identification and subsequent statistical analyses are shared at https://github.com/CODELABCODELIB/BetaburstInhibition_2025.

Any additional information required to reanalyze the data reported in this paper is available from the lead contact upon request.

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

Versions

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Version 1, 30 September 2026: the first record

Recorded: type, language, journal, volume, issue, pages, dates, 2 authors, 5 keywords, 2 funders, 48 references, 3 RRIDs.

Cite

This paper

Wan, W., & Ghosh, A. (2026). Bursts of regional cortical inhibition during smartphone use. iScience, 29(4), 115375. https://doi.org/10.1016/j.isci.2026.115375

BibTeX

@article{wan2026bursts,
author = {Wan, Wenyu and Ghosh, Arko},
title = {{Bursts of regional cortical inhibition during smartphone use}},
journal = {iScience},
year = {2026},
month = mar,
volume = {29},
number = {4},
pages = {115375},
publisher = {Elsevier},
issn = {2589-0042},
doi = {10.1016/j.isci.2026.115375},
url = {https://doi.org/10.1016/j.isci.2026.115375},
pmid = {41972003},
pmcid = {PMC13068570}
}

RIS

TY - JOUR
AU - Wan, Wenyu
AU - Ghosh, Arko
TI - Bursts of regional cortical inhibition during smartphone use
T2 - iScience
J2 - iScience
PY - 2026
DA - 2026/03/16
VL - 29
IS - 4
SP - 115375
SN - 2589-0042
PB - Elsevier
DO - 10.1016/j.isci.2026.115375
UR - https://doi.org/10.1016/j.isci.2026.115375
LA - en
ER -

CSL-JSON

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"PMID": "41972003",
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