Bursts of regional cortical inhibition during smartphone use.
The 3 matches · all tie a paragraph to a whole file, not to given lines: weak matches, whose lines are not tinted
- [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] § 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] § 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
- function ANLgetbetaBurst(inpath, outpath,subID)
- % Wenyu wan, Leiden univerisity, 09/2024, edited: 15/05/2025
- cd ([inpath subID]);
- setlist = dir('1*.set');
- setname = {setlist.name};
- % inter-beta burst onset interval JID
- for s = 1:length(setname)
- outdir = strcat(outpath,subID);
- mkdir(outdir)
- load('/home/wanw1/toolbox/beta_burst/Orignalchanlocs.mat');
- % load dataset/d
- cd ([inpath subID]);
- EEG = pop_loadset(strcat(inpath, subID,'/', setname{1,s}));
- % remove artifact IC
- outdir_tmp = [pwd filesep 'amicaout'];
- cd(outdir_tmp);
- modout = loadmodout15(outdir_tmp);
- model_index = 1;
- EEG.icawinv = modout.A(:,:,model_index);
- EEG.icaweights = modout.W(:,:,model_index);
- EEG.icasphere = modout.S;
- EEG = eeg_checkset(EEG);
- EEG = pop_iclabel(EEG,'default');
- EEG = pop_icflag(EEG,[NaN NaN;0.9 1;0.9 1;0.9 1;0.9 1;0.9 1;0.9 1]);
- EEG = pop_subcomp(EEG,[],0,0);
- % remove eye channels
- EEG = pop_select(EEG, 'nochannel',{'E5' 'E64'});
- % beta-band filtering
- EEG = pop_eegfiltnew(EEG, [],45);
- EEG = pop_eegfiltnew(EEG, 1,[]);
- % remove unrelevant channels
- %EEG = pop_rejchan(EEG, 'threshold', 3, 'norm', 'on', 'measure', 'spec','freqrange',[13 30]);
- EEG = clean_channels(EEG,0.85);
- % interpolate
- EEG = pop_interp(EEG,Orignalchanlocs,'spherical');
- % reject inactive data segment
- EEG = rejectsegment(EEG,0,0);
- % epoch
- INEEG = pop_epoch(EEG,{'Phone'},[-3 3],'epochinfo','no');
- INEEG = selectepoch(INEEG);
- beta_burst_tap = nan(62,length(INEEG.modepoch),6001);
- iti = nan(62,length(INEEG.modepoch));
- burst_rate_iti = nan(62,length(INEEG.modepoch));
- % Define parameters
- for c= 1:62 % Channel to analyze
- fre_band = [1:1:45]; % Beta-band frequency range (Hz)
- beta_band = [13:1:30];
- fs = 1000;
- m = 7;
- time = -1:1/fs:1;
- %Create time-frequency power matrix
- wavelet_conv_data = zeros(length(fre_band),EEG.pnts);
- % from paper
- for f_idx = 1:length(fre_band)
- % freqs and cycles
- freq = fre_band(f_idx);
- sigma = m/(2*pi*freq);
- % sine and gaussian
- sine_wave = exp(1i*2*pi*freq.*time);
- gaussian_win = exp(-time.^2./(2*sigma^2));
- % normalization factor
- normalization_factor = 1 / (sigma * sqrt(2* pi));
- % make wavelet
- wavelet = normalization_factor .* sine_wave .* gaussian_win;
- halfwaveletsize = ceil(length(wavelet)/2); % half of the wavelet size
- % convolve with data
- n_conv = length(wavelet) + EEG.pnts - 1; % compute Gaussian
- % fft
- fft_w = fft(wavelet,n_conv);
- fft_e = fft(EEG.data(c,:),n_conv);
- ift = ifft(fft_e.*fft_w,n_conv);
- wavelet_conv_data(f_idx,:) = abs(ift(halfwaveletsize:end-halfwaveletsize+1)).^2;
- end
- detected_tf = zeros(size(wavelet_conv_data,1),size(wavelet_conv_data,2));
- % power threshold
- burst_cutoff = 6*nanmedian(wavelet_conv_data');
- % detect beta-burst based on power threshold
- for f_idx = 1:length(beta_band)
- detected_tf(f_idx,:) = wavelet_conv_data(f_idx,:)>burst_cutoff(f_idx);
- end
- % futher check based on duration burst
- detected_tf_new = zeros(size(detected_tf,1),size(detected_tf,2));
- for f_idx = 1:length(fre_band)
- detected_tf(f_idx,:) = wavelet_conv_data(f_idx,:)>burst_cutoff(f_idx);
- betaBurstInds = SplitVec(find(detected_tf(f_idx,:)),'consecutive');
- segL = cellfun('length',betaBurstInds); % Find burst lengths
- burstSelInds = segL>((1000/fre_band(f_idx))*2); % Select bursts with above min length
- burstSelIndsout = betaBurstInds(burstSelInds);
- for i = 1:length(burstSelIndsout)
- detected_tf_new(f_idx,burstSelIndsout{1,i}) = 1;
- end
- end
- detected_idx = (nansum(detected_tf_new(beta_band,:),1)>0);
- freq_prob(c,:) = nanmean(detected_tf_new(beta_band,:),2);
- % [M,I] = max(freq_prob(c,:));
- % freq_M(c) = M;
- % freq_I(c) = beta_band(I);
- for e = 2: length(INEEG.modepoch)
- try
- beta_burst_tap(c,e,:) = detected_idx(INEEG.urevent(INEEG.modepoch(e).eventurevent).latency-3000:INEEG.urevent(INEEG.modepoch(e).eventurevent).latency+3000);
- %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);
- iti(c,e) = (INEEG.urevent(INEEG.modepoch(e).eventurevent).latency-INEEG.urevent(INEEG.modepoch(e-1).eventurevent).latency);
- 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);
- tap_idx(e) = INEEG.urevent(INEEG.modepoch(e).eventurevent).latency;
- %iti_1(e) = (INEEG.urevent(INEEG.modepoch(e+1).eventurevent).latency-INEEG.urevent(INEEG.modepoch(e).eventurevent).latency);
- end
- end
- % burst rate: burst duration/whole duration
- % burst_rate_whole(c) = sum(detected_idx>0)/length(detected_idx);
- beta_burst_dur(c) = nansum(detected_idx>0);
- beta_burst_dur_allfre(c,:) = nansum(detected_tf_new(beta_band,:)>0,2);
- recording_dur(c) = length(detected_idx);
- % calculate tap num during beta burst
- betaburst_idx = find(detected_idx>0);
- tapnum(c) = nansum(ismember(tap_idx,betaburst_idx));
- end
- cd (outdir);
- filename = erase(setname{1,s},'.set');
- 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');
- end
- end
ANLgetbetaBurst.m at commit 23ffe9f, no license · at the source
Overview
- Cognitive Psychology Unit, Institute of Psychology, Leiden University, Wassenaarseweg 52, Leiden 2333 AK, the Netherlands
- Department of Psychology, University of Amsterdam, Nieuwe Achtergracht 129, Amsterdam 1001 NK, the Netherlands
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
10a90cbbb3f71ba23746cfeefd35910f296a3398, 13 May 2025Availability: 1 check, the latest on 30 September 2026: the link answers
- 30 September 2026: the link answers
23 files
- ERP/
gatherGFP.m , MATLAB, 52 lines - ERP/
main_ANLgetERP.m , MATLAB, 113 lines - ICclustering/
ANL_icclustering.m , MATLAB, 95 lines - ICclustering/
ANLprepareIC.m , MATLAB, 37 lines - ICerp/
add_epoch.m , MATLAB, 50 lines - ICerp/
getICerp.m , MATLAB, 160 lines - Moran/
find_adj_matrix.m , MATLAB, 24 lines - Moran/
main_moran.m , MATLAB, 43 lines - Moran/
smoothedJID2.m , MATLAB, 125 lines - NNMF/
main_ANLnnmf.m , MATLAB, 50 lines - NNMF/
nnmf_plot.m , MATLAB, 124 lines - NNMF/
run_icaerp_nnmf2.m , MATLAB, 80 lines - add_epoch.m, MATLAB, 50 lines
- alignment/
ANLalig_acrossdataset.m , MATLAB, 77 lines - alignment/
ANLgetBSmodeldata.m , MATLAB, 183 lines - alignment/
main_ANLalignment.m , MATLAB, 46 lines - alignment/
main_getBSRrange.m , MATLAB, 63 lines - alignment/
main_getBSrange.m , MATLAB, 69 lines - alignment/
main_rejectsubBS.m , MATLAB, 51 lines - alignment/
main_rejectsubBS_R.m , MATLAB, 40 lines - preprocessing/
ANLpreprocessing.m , MATLAB, 92 lines - preprocessing/
main_runica.m , MATLAB, 41 lines - readme.md, Text, 37 lines
CODELABCODELIB/BetaburstInhibition_2025
23ffe9ff2b75e1831bc4d6d69151f83576e13016, 22 August 2025Availability: 1 check, the latest on 30 September 2026: the link answers
- 30 September 2026: the link answers
5 files
- ANLgetBBTI.m, MATLAB, 57 lines
- ANLgetBO.m, MATLAB, 36 lines, 1 match
- ANLgetBPI.m, MATLAB, 65 lines
- ANLgetBTR.m, MATLAB, 53 lines
- ANLgetbetaBurst.m, MATLAB, 142 lines, 1 match
CODELABLEIDEN/Non_goal_directed_smartphone_2022
e275fc864c5eb081fac316e870854dd57d9587ce, 9 March 2022Availability: 1 check, the latest on 30 September 2026: the link answers
- 30 September 2026: the link answers
68 files
- docs/
_build/ , JavaScript, 321 lineshtml/ _static/ doctools.js - docs/
_build/ , JavaScript, 12 lineshtml/ _static/ documentation_options.js - docs/
_build/ , JavaScript, 7,429 lineshtml/ _static/ jquery-3.5.1.js - docs/
_build/ , JavaScript, 2 lineshtml/ _static/ jquery.js - docs/
_build/ , JavaScript, 297 lineshtml/ _static/ language_data.js - docs/
_build/ , JavaScript, 522 lineshtml/ _static/ searchtools.js - docs/
_build/ , JavaScript, 159 lineshtml/ _static/ sidebar.js - docs/
_build/ , JavaScript, 2,027 lineshtml/ _static/ underscore-1.12.0.js - docs/
_build/ , JavaScript, 6 lineshtml/ _static/ underscore.js - docs/
_build/ , JavaScript, 1 linehtml/ searchindex.js - docs/
conf.py , Python, 245 lines - get_started.sh, Shell, 10 lines
- src/
EEG_analysis/ , MATLAB, 76 linesERP_ERSP_data_generation / generate_erp_data.m - src/
EEG_analysis/ , MATLAB, 111 linesERP_ERSP_data_generation / generate_spectral_data.m - src/
EEG_analysis/ , MATLAB, 12 linesGLM/ create_design_matrix_mod el.m - src/
EEG_analysis/ , MATLAB, 113 linesGLM/ generate_ancova_spectral _data.m - src/
EEG_analysis/ , MATLAB, 47 linesGLM/ linear_model.m - src/
EEG_analysis/ , MATLAB, 23 linesGLM/ main_GLM.m - src/
EEG_analysis/ , MATLAB, 9 linesGLM/ run_clustering_linear.m - src/
EEG_analysis/ , MATLAB, 47 linesGLM/ t_test_linear_mod.m - src/
EEG_analysis/ , MATLAB, 65 lines, 1 matchpreprocess_EEG/ gettechnincallycleanEEG. m - src/
EEG_analysis/ , MATLAB, 26 linest_tests_ERP_and_ERSP/ rename_add_suffix.m - src/
EEG_analysis/ , MATLAB, 73 linest_tests_ERP_and_ERSP/ run_clustering.m - src/
EEG_analysis/ , MATLAB, 100 linest_tests_ERP_and_ERSP/ run_t_tests_and_clusteri ng.m - src/
__init__.py , Python, 1 line - src/
alignment/ , MATLAB, 31 linesdecision_tree/ decision_peak_prominance .m - src/
alignment/ , MATLAB, 104 linesdecision_tree/ decision_tree_alignment. m - src/
alignment/ , MATLAB, 45 linesfeatures/ create_hdf_MA.m - src/
alignment/ , MATLAB, 39 linesfeatures/ create_matrix_MA.m - src/
alignment/ , MATLAB, 67 linesfeatures/ preprocess.m - src/
alignment/ , MATLAB, 56 linesfeatures/ seperate_FS_sets.m - src/
alignment/ , MATLAB, 28 linespredict/ main_lstm_MA.m - src/
alignment/ , MATLAB, 45 linespredict/ predict_MA.m - src/
alignment/ , Python, 243 linestraining/ lstm_MA.py - src/
ams_nams/ , MATLAB, 44 linesadd_events.m - src/
ams_nams/ , MATLAB, 22 linescalculate_date_differenc es.m - src/
ams_nams/ , MATLAB, 33 linesfind_AM_NAM_AT.m - src/
ams_nams/ , MATLAB, 54 linesfind_ams_n_nams.m - src/
ams_nams/ , MATLAB, 34 linesfind_nearest.m - src/
ams_nams/ , MATLAB, 55 linesfind_nearest_distances.m - src/
ams_nams/ , MATLAB, 28 linesget_ams_nam.m - src/
ams_nams/ , MATLAB, 85 linespred_events.m - src/
ams_nams/ , MATLAB, 110 linesset_parameters.m - src/
bs_to_tap/ , MATLAB, 26 linesfeatures/ change_sequence_precisio n.m - src/
bs_to_tap/ , MATLAB, 39 linesfeatures/ create_hdf5.m - src/
bs_to_tap/ , MATLAB, 21 linesfeatures/ delta_mod.m - src/
bs_to_tap/ , MATLAB, 17 linesfeatures/ delta_sigma_mod.m - src/
bs_to_tap/ , MATLAB, 79 linesfeatures/ prepare_features.m - src/
bs_to_tap/ , MATLAB, 28 linesfeatures/ seperate_sequences.m - src/
bs_to_tap/ , Jupyter, 1 linepredict/ .ipynb_checkpoints/ Untitled-checkpoint.ipyn b - src/
bs_to_tap/ , Python, 609 linespredict/ .ipynb_checkpoints/ predict_test-checkpoint. py - src/
bs_to_tap/ , Python, 162 linespredict/ predictions_bs_to_tap.py - src/
bs_to_tap/ , MATLAB, 78 linespredict/ read_predictions.m - src/
bs_to_tap/ , MATLAB, 180 linespredict/ save_predictions.m - src/
bs_to_tap/ , Python, 498 linestraining/ bs_to_tap.py - src/
utils/ , MATLAB, 80 linescall_func_for_all_partic ipants.m - src/
utils/ , MATLAB, 170 linescall_func_for_all_partic ipants_eeg.m - src/
utils/ , MATLAB, 101 linesgetBSdata.m - src/
utils/ , MATLAB, 46 linesget_phone_data.m - src/
utils/ , MATLAB, 47 linesgetcleanedbsdata.m - src/
utils/ , MATLAB, 29 linesgetepocheddata.m - src/
utils/ , MATLAB, 56 linesimportfile_dateBS.m - src/
utils/ , MATLAB, 33 linesmergeStructs.m - src/
utils/ , MATLAB, 25 linesmerge_file_BS_epoched.m - src/
utils/ , MATLAB, 8 linesnanzscore.m - src/
utils/ , MATLAB, 36 linesremove_inactive_bs.m - LICENSE, License, 10 lines
- README.md, Text, 42 lines
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The processed data have been deposited at https://
Code for preprocessing analysis has been deposited at https://
Any additional information required to reanalyze the data reported in this paper is available from the lead contact upon request.
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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://
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/
url = {https://
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/
VL - 29
IS - 4
SP - 115375
SN - 2589-0042
PB - Elsevier
DO - 10.1016/
UR - https://
LA - en
ER -
CSL-JSON
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