{"id":"https://openalex.org/W7213131995","doi":"https://doi.org/10.64898/2026.09.08.750027","title":"Comparing advanced interference suppression algorithms for OPM-MEG","display_name":"Comparing advanced interference suppression algorithms for OPM-MEG","publication_year":2026,"publication_date":"2026-09-14","ids":{"openalex":"https://openalex.org/W7213131995","doi":"https://doi.org/10.64898/2026.09.08.750027"},"language":"en","primary_location":{"id":"doi:10.64898/2026.09.08.750027","doi":"https://doi.org/10.64898/2026.09.08.750027","is_oa":true,"landing_page_url":"https://doi.org/10.64898/2026.09.08.750027","pdf_url":"https://www.biorxiv.org/content/biorxiv/early/2026/09/14/2026.09.08.750027.full.pdf","source":{"id":"https://openalex.org/S4306402567","display_name":"bioRxiv (Cold Spring Harbor Laboratory)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I2750212522","host_organization_name":"Cold Spring Harbor Laboratory","host_organization_lineage":["https://openalex.org/I2750212522"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"bioRxiv","raw_type":"posted-content"},"volume":null,"type":"preprint","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://www.biorxiv.org/content/biorxiv/early/2026/09/14/2026.09.08.750027.full.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5015792418","display_name":"Christoph Pfeiffer","orcid":"https://orcid.org/0000-0002-7388-4578","observed_orcids":["https://orcid.org/0000-0002-7388-4578"]},"institutions":[{"id":"https://openalex.org/I28166907","display_name":"Karolinska Institutet","ror":"https://ror.org/056d84691","country_code":"SE","type":"education","lineage":["https://openalex.org/I28166907"]}],"countries":["SE"],"is_corresponding":true,"raw_author_name":"Christoph Pfeiffer","raw_affiliation_strings":["Department of Clinical Neuroscience, Karolinska Institute"],"raw_orcid":"https://orcid.org/0000-0002-7388-4578","affiliations":[{"raw_affiliation_string":"Department of Clinical Neuroscience, Karolinska Institute","institution_ids":["https://openalex.org/I28166907"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5052454063","display_name":"Daniel Lundqvist","orcid":"https://orcid.org/0000-0003-1593-2559","observed_orcids":["https://orcid.org/0000-0003-1593-2559"]},"institutions":[{"id":"https://openalex.org/I28166907","display_name":"Karolinska Institutet","ror":"https://ror.org/056d84691","country_code":"SE","type":"education","lineage":["https://openalex.org/I28166907"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Daniel Lundqvist","raw_affiliation_strings":["Department of Clinical Neuroscience, Karolinska Institute"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Clinical Neuroscience, Karolinska Institute","institution_ids":["https://openalex.org/I28166907"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5015792418"],"corresponding_institution_ids":["https://openalex.org/I28166907"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11993","display_name":"Atomic and Subatomic Physics Research","score":0.9883000254631042,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11993","display_name":"Atomic and Subatomic Physics Research","score":0.9883000254631042,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10378","display_name":"Advanced MRI Techniques and Applications","score":0.002199999988079071,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10429","display_name":"EEG and Brain-Computer Interfaces","score":0.0019000000320374966,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/optically-pumped-magnetometers","display_name":"optically pumped magnetometers","score":0.9769999980926514},{"id":"https://openalex.org/keywords/interference-suppression","display_name":"interference suppression","score":0.9200000166893005},{"id":"https://openalex.org/keywords/dental-artifacts","display_name":"dental artifacts","score":0.5019999742507935}],"concepts":[{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.6985999941825867},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6243000030517578},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6177999973297119},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.5149999856948853},{"id":"https://openalex.org/C112972136","wikidata":"https://www.wikidata.org/wiki/Q7595718","display_name":"Stability (learning theory)","level":2,"score":0.492900013923645},{"id":"https://openalex.org/C57493831","wikidata":"https://www.wikidata.org/wiki/Q3134666","display_name":"Projection (relational algebra)","level":2,"score":0.4885999858379364},{"id":"https://openalex.org/C140779682","wikidata":"https://www.wikidata.org/wiki/Q210868","display_name":"Sampling (signal processing)","level":3,"score":0.44350001215934753},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.4296000003814697},{"id":"https://openalex.org/C193519340","wikidata":"https://www.wikidata.org/wiki/Q891179","display_name":"Data loss","level":2,"score":0.3871999979019165},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.38510000705718994},{"id":"https://openalex.org/C184892835","wikidata":"https://www.wikidata.org/wiki/Q1474513","display_name":"Electromagnetic interference","level":2,"score":0.384799987077713},{"id":"https://openalex.org/C120317606","wikidata":"https://www.wikidata.org/wiki/Q17105967","display_name":"Blind signal separation","level":3,"score":0.3621000051498413},{"id":"https://openalex.org/C177454536","wikidata":"https://www.wikidata.org/wiki/Q578290","display_name":"Emphasis (telecommunications)","level":2,"score":0.30399999022483826},{"id":"https://openalex.org/C556910895","wikidata":"https://www.wikidata.org/wiki/Q384188","display_name":"Magnetoencephalography","level":3,"score":0.29840001463890076},{"id":"https://openalex.org/C159694833","wikidata":"https://www.wikidata.org/wiki/Q2321565","display_name":"Iterative method","level":2,"score":0.27309998869895935},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.25459998846054077},{"id":"https://openalex.org/C61797465","wikidata":"https://www.wikidata.org/wiki/Q1188986","display_name":"Term (time)","level":2,"score":0.25380000472068787},{"id":"https://openalex.org/C153946474","wikidata":"https://www.wikidata.org/wiki/Q333921","display_name":"Magnetometer","level":3,"score":0.25369998812675476},{"id":"https://openalex.org/C2776864781","wikidata":"https://www.wikidata.org/wiki/Q52617913","display_name":"Source separation","level":2,"score":0.25270000100135803}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.64898/2026.09.08.750027","doi":"https://doi.org/10.64898/2026.09.08.750027","is_oa":true,"landing_page_url":"https://doi.org/10.64898/2026.09.08.750027","pdf_url":"https://www.biorxiv.org/content/biorxiv/early/2026/09/14/2026.09.08.750027.full.pdf","source":{"id":"https://openalex.org/S4306402567","display_name":"bioRxiv (Cold Spring Harbor Laboratory)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I2750212522","host_organization_name":"Cold Spring Harbor Laboratory","host_organization_lineage":["https://openalex.org/I2750212522"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"bioRxiv","raw_type":"posted-content"}],"best_oa_location":{"id":"doi:10.64898/2026.09.08.750027","doi":"https://doi.org/10.64898/2026.09.08.750027","is_oa":true,"landing_page_url":"https://doi.org/10.64898/2026.09.08.750027","pdf_url":"https://www.biorxiv.org/content/biorxiv/early/2026/09/14/2026.09.08.750027.full.pdf","source":{"id":"https://openalex.org/S4306402567","display_name":"bioRxiv (Cold Spring Harbor Laboratory)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I2750212522","host_organization_name":"Cold Spring Harbor Laboratory","host_organization_lineage":["https://openalex.org/I2750212522"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"bioRxiv","raw_type":"posted-content"},"sustainable_development_goals":[{"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3","score":0.504800021648407}],"study_designs":[],"awards":[{"id":"https://openalex.org/G8472973654","display_name":"NatMEG: On-Scalp MEG Platform","funder_award_id":"2021-00315","funder_id":"https://openalex.org/F4320322581","funder_display_name":"Vetenskapsr\u00e5det"}],"funders":[{"id":"https://openalex.org/F4320322581","display_name":"Vetenskapsr\u00e5det","ror":"https://ror.org/03zttf063"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7213131995.pdf","grobid_xml":"https://content.openalex.org/works/W7213131995.grobid-xml"},"referenced_works_count":22,"referenced_works":["https://openalex.org/W1982321167","https://openalex.org/W2062876788","https://openalex.org/W2084333685","https://openalex.org/W2124433161","https://openalex.org/W2151721316","https://openalex.org/W2163386852","https://openalex.org/W2512628654","https://openalex.org/W2618190870","https://openalex.org/W2801389833","https://openalex.org/W2949327983","https://openalex.org/W3194657481","https://openalex.org/W4200325664","https://openalex.org/W4225307071","https://openalex.org/W4294808387","https://openalex.org/W4328125659","https://openalex.org/W4380684955","https://openalex.org/W4384930833","https://openalex.org/W4386147053","https://openalex.org/W4392370548","https://openalex.org/W4395676246","https://openalex.org/W4402158068","https://openalex.org/W4409112872"],"related_works":["https://openalex.org/W4393216685","https://openalex.org/W7080189088","https://openalex.org/W4286909272","https://openalex.org/W4399487653","https://openalex.org/W7155077452","https://openalex.org/W4406063297","https://openalex.org/W4405179570","https://openalex.org/W4415624345","https://openalex.org/W7162867751","https://openalex.org/W4399319743"],"abstract_inverted_index":{"Abstract":[0],"On-scalp":[1],"MEG":[2,28,70],"using":[3,156],"optically":[4],"pumped":[5],"magnetometers":[6],"(OPMs)":[7],"have":[8,110],"become":[9,34,84],"more":[10],"widespread":[11],"with":[12,48,78,161,170,179,193,239],"the":[13,17,49,94,128,223],"recent":[14],"introduction":[15],"of":[16,51,96,127,181],"first":[18],"whole-head":[19,163],"systems":[20,32,98],"that":[21,185],"offer":[22],"comparable":[23],"spatial":[24],"sampling":[25],"to":[26,33,43,46,76,83,99,177,211,221,232,237],"conventional":[27],"systems.":[29],"For":[30],"these":[31,81],"truly":[35],"useful":[36],"in":[37,54,241],"neuroscience":[38],"and":[39,57,63,124,149,158,203,216],"clinically":[40],"they":[41],"need":[42],"be":[44],"able":[45,220],"deal":[47,77,178,238],"kind":[50],"interference":[52,73,191,240],"seen":[53],"typical":[55],"lab":[56],"hospital":[58],"environments":[59],"\u2013":[60,90,173],"both":[61],"environmental":[62],"participant":[64,169],"related":[65],"(e.g.,":[66],"dental":[67,171,224],"wires).":[68],"Conventional":[69],"uses":[71],"sophisticated":[72],"suppression":[74,192],"algorithms":[75,109,187,205],"this,":[79],"but":[80,113],"tend":[82],"instable":[85],"at":[86],"lower":[87],"sensor":[88],"counts":[89],"which":[91],"makes":[92],"up":[93],"majority":[95],"OPM-MEG":[97,104,243],"date.":[100],"Alternative":[101],"methods":[102],"for":[103,230],"are":[105],"needed.":[106],"Several":[107],"alternative":[108],"been":[111],"proposed":[112],"a":[114,162,168],"clear":[115],"comparison":[116],"between":[117],"them":[118],"is":[119],"lacking.":[120],"Here,":[121],"we":[122,227],"test":[123],"compare":[125],"5":[126],"most":[129],"promising":[130],"candidates,":[131],"namely":[132],"homogenous":[133],"field":[134],"correction":[135],"(HFC),":[136],"adaptive":[137],"multipole":[138],"models":[139],"(AMM),":[140],"signal":[141,145,208],"space":[142,146],"projection":[143],"(SSP),":[144],"separation":[147],"(SSS)":[148],"its":[150],"iterative":[151],"implementation":[152],"(SSS":[153],"it":[154],")":[155],"simulations":[157],"data":[159,166],"recorded":[160],"system.":[164],"Recorded":[165],"includes":[167],"wire":[172],"an":[174],"especially":[175],"difficult":[176],"source":[180],"interference.":[182],"We":[183],"find":[184],"all":[186],"tested":[188],"achieve":[189],"good":[190],"dual-axis":[194],"data.":[195],"With":[196],"single-axis":[197],"data,":[198],"SSS":[199,215],"exhibited":[200],"stability":[201],"problems":[202],"several":[204],"showed":[206],"large":[207],"loss":[209],"(up":[210],"25%).":[212],"SSP,":[213],"temporal":[214,217],"AMM":[218],"were":[219],"suppress":[222],"artifact.":[225],"Finally,":[226],"provide":[228],"recommendations":[229],"researchers":[231],"determine":[233],"help":[234],"decide":[235],"how":[236],"their":[242],"studies.":[244]},"counts_by_year":[],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2026-09-15T00:00:00"}