{"id":"https://openalex.org/W7203917706","doi":"https://doi.org/10.64898/2026.08.17.744953","title":"Signal-to-noise ratio of event-related fields in on-scalp and off-scalp MEG","display_name":"Signal-to-noise ratio of event-related fields in on-scalp and off-scalp MEG","publication_year":2026,"publication_date":"2026-08-21","ids":{"openalex":"https://openalex.org/W7203917706","doi":"https://doi.org/10.64898/2026.08.17.744953"},"language":"en","primary_location":{"id":"doi:10.64898/2026.08.17.744953","doi":"https://doi.org/10.64898/2026.08.17.744953","is_oa":true,"landing_page_url":"https://doi.org/10.64898/2026.08.17.744953","pdf_url":"https://www.biorxiv.org/content/biorxiv/early/2026/08/21/2026.08.17.744953.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","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"bioRxiv","raw_type":"posted-content"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://www.biorxiv.org/content/biorxiv/early/2026/08/21/2026.08.17.744953.full.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5083152303","display_name":"Mainak Jas","orcid":"https://orcid.org/0000-0002-3199-9027","observed_orcids":["https://orcid.org/0000-0002-3199-9027"]},"institutions":[{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]},{"id":"https://openalex.org/I4210087915","display_name":"Massachusetts General Hospital","ror":"https://ror.org/002pd6e78","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210087915","https://openalex.org/I48633490"]},{"id":"https://openalex.org/I4210127055","display_name":"Athinoula A. Martinos Center for Biomedical Imaging","ror":"https://ror.org/032q5ym94","country_code":"US","type":"facility","lineage":["https://openalex.org/I136199984","https://openalex.org/I4210087915","https://openalex.org/I4210127055","https://openalex.org/I48633490","https://openalex.org/I63966007"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Mainak Jas","raw_affiliation_strings":["Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA"],"raw_orcid":"https://orcid.org/0000-0002-3199-9027","affiliations":[{"raw_affiliation_string":"Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA","institution_ids":["https://openalex.org/I136199984","https://openalex.org/I4210087915","https://openalex.org/I4210127055"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019402442","display_name":"Teppei Matsubara","orcid":"https://orcid.org/0000-0001-8331-2023","observed_orcids":["https://orcid.org/0000-0001-8331-2023"]},"institutions":[{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]},{"id":"https://openalex.org/I4210087915","display_name":"Massachusetts General Hospital","ror":"https://ror.org/002pd6e78","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210087915","https://openalex.org/I48633490"]},{"id":"https://openalex.org/I4210127055","display_name":"Athinoula A. Martinos Center for Biomedical Imaging","ror":"https://ror.org/032q5ym94","country_code":"US","type":"facility","lineage":["https://openalex.org/I136199984","https://openalex.org/I4210087915","https://openalex.org/I4210127055","https://openalex.org/I48633490","https://openalex.org/I63966007"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Teppei Matsubara","raw_affiliation_strings":["Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA"],"raw_orcid":"https://orcid.org/0000-0001-8331-2023","affiliations":[{"raw_affiliation_string":"Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA","institution_ids":["https://openalex.org/I136199984","https://openalex.org/I4210087915","https://openalex.org/I4210127055"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010391726","display_name":"Abbas Sohrabpour","orcid":"https://orcid.org/0000-0001-5442-9177","observed_orcids":["https://orcid.org/0000-0001-5442-9177"]},"institutions":[{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]},{"id":"https://openalex.org/I4210087915","display_name":"Massachusetts General Hospital","ror":"https://ror.org/002pd6e78","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210087915","https://openalex.org/I48633490"]},{"id":"https://openalex.org/I4210127055","display_name":"Athinoula A. Martinos Center for Biomedical Imaging","ror":"https://ror.org/032q5ym94","country_code":"US","type":"facility","lineage":["https://openalex.org/I136199984","https://openalex.org/I4210087915","https://openalex.org/I4210127055","https://openalex.org/I48633490","https://openalex.org/I63966007"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Abbas Sohrabpour","raw_affiliation_strings":["Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA"],"raw_orcid":"https://orcid.org/0000-0001-5442-9177","affiliations":[{"raw_affiliation_string":"Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA","institution_ids":["https://openalex.org/I136199984","https://openalex.org/I4210087915","https://openalex.org/I4210127055"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023783147","display_name":"Padmavathi Sundaram","orcid":"https://orcid.org/0009-0007-2647-8175","observed_orcids":["https://orcid.org/0009-0007-2647-8175"]},"institutions":[{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]},{"id":"https://openalex.org/I4210087915","display_name":"Massachusetts General Hospital","ror":"https://ror.org/002pd6e78","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210087915","https://openalex.org/I48633490"]},{"id":"https://openalex.org/I4210127055","display_name":"Athinoula A. Martinos Center for Biomedical Imaging","ror":"https://ror.org/032q5ym94","country_code":"US","type":"facility","lineage":["https://openalex.org/I136199984","https://openalex.org/I4210087915","https://openalex.org/I4210127055","https://openalex.org/I48633490","https://openalex.org/I63966007"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Padmavathi Sundaram","raw_affiliation_strings":["Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA"],"raw_orcid":"https://orcid.org/0009-0007-2647-8175","affiliations":[{"raw_affiliation_string":"Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA","institution_ids":["https://openalex.org/I136199984","https://openalex.org/I4210087915","https://openalex.org/I4210127055"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075647759","display_name":"Maria Mody","orcid":"https://orcid.org/0000-0002-9631-982X","observed_orcids":["https://orcid.org/0000-0002-9631-982X"]},"institutions":[{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]},{"id":"https://openalex.org/I4210087915","display_name":"Massachusetts General Hospital","ror":"https://ror.org/002pd6e78","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210087915","https://openalex.org/I48633490"]},{"id":"https://openalex.org/I4210127055","display_name":"Athinoula A. Martinos Center for Biomedical Imaging","ror":"https://ror.org/032q5ym94","country_code":"US","type":"facility","lineage":["https://openalex.org/I136199984","https://openalex.org/I4210087915","https://openalex.org/I4210127055","https://openalex.org/I48633490","https://openalex.org/I63966007"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Maria Mody","raw_affiliation_strings":["Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA"],"raw_orcid":"https://orcid.org/0000-0002-9631-982X","affiliations":[{"raw_affiliation_string":"Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA","institution_ids":["https://openalex.org/I136199984","https://openalex.org/I4210087915","https://openalex.org/I4210127055"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5067803656","display_name":"Seppo P. Ahlfors","orcid":"https://orcid.org/0000-0001-7674-6931","observed_orcids":["https://orcid.org/0000-0001-7674-6931"]},"institutions":[{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]},{"id":"https://openalex.org/I4210087915","display_name":"Massachusetts General Hospital","ror":"https://ror.org/002pd6e78","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210087915","https://openalex.org/I48633490"]},{"id":"https://openalex.org/I4210127055","display_name":"Athinoula A. Martinos Center for Biomedical Imaging","ror":"https://ror.org/032q5ym94","country_code":"US","type":"facility","lineage":["https://openalex.org/I136199984","https://openalex.org/I4210087915","https://openalex.org/I4210127055","https://openalex.org/I48633490","https://openalex.org/I63966007"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Seppo P. Ahlfors","raw_affiliation_strings":["Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA"],"raw_orcid":"https://orcid.org/0000-0001-7674-6931","affiliations":[{"raw_affiliation_string":"Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA","institution_ids":["https://openalex.org/I136199984","https://openalex.org/I4210087915","https://openalex.org/I4210127055"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5067803656"],"corresponding_institution_ids":["https://openalex.org/I136199984","https://openalex.org/I4210087915","https://openalex.org/I4210127055"],"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":0.9678000211715698,"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":0.9678000211715698,"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/T10429","display_name":"EEG and Brain-Computer Interfaces","score":0.012500000186264515,"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"}},{"id":"https://openalex.org/T12692","display_name":"Magnetic Field Sensors Techniques","score":0.0024999999441206455,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"signal-to-noise ratio","score":0.9440000057220459},{"id":"https://openalex.org/keywords/optically-pumped-magnetometers","display_name":"optically pumped magnetometers","score":0.9110000133514404},{"id":"https://openalex.org/keywords/squid-magnetometer","display_name":"SQUID magnetometer","score":0.8510000109672546},{"id":"https://openalex.org/keywords/source-depth","display_name":"source depth","score":0.6269999742507935},{"id":"https://openalex.org/keywords/somatosensory-evoked-fields","display_name":"somatosensory evoked fields","score":0.9459999799728394},{"id":"https://openalex.org/keywords/noise-sources","display_name":"noise sources","score":0.45899999141693115},{"id":"https://openalex.org/keywords/spherical-head-model","display_name":"spherical head model","score":0.8080000281333923},{"id":"https://openalex.org/keywords/power-spectral-density","display_name":"power spectral density","score":0.6830000281333923}],"concepts":[{"id":"https://openalex.org/C556910895","wikidata":"https://www.wikidata.org/wiki/Q384188","display_name":"Magnetoencephalography","level":3,"score":0.8133999705314636},{"id":"https://openalex.org/C2777743550","wikidata":"https://www.wikidata.org/wiki/Q81900","display_name":"Squid","level":2,"score":0.6621999740600586},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.6560999751091003},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.5656999945640564},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.5641999840736389},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.5095999836921692},{"id":"https://openalex.org/C126691448","wikidata":"https://www.wikidata.org/wiki/Q2028919","display_name":"Magnitude (astronomy)","level":2,"score":0.49869999289512634},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.489300012588501},{"id":"https://openalex.org/C2780312720","wikidata":"https://www.wikidata.org/wiki/Q5689100","display_name":"Head (geology)","level":2,"score":0.4724999964237213},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.4722000062465668},{"id":"https://openalex.org/C46141821","wikidata":"https://www.wikidata.org/wiki/Q209402","display_name":"Nuclear magnetic resonance","level":1,"score":0.4287000000476837},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.3813999891281128},{"id":"https://openalex.org/C161941745","wikidata":"https://www.wikidata.org/wiki/Q1572478","display_name":"Somatosensory evoked potential","level":2,"score":0.37299999594688416},{"id":"https://openalex.org/C203234222","wikidata":"https://www.wikidata.org/wiki/Q2133519","display_name":"Noise power","level":3,"score":0.36010000109672546},{"id":"https://openalex.org/C100675267","wikidata":"https://www.wikidata.org/wiki/Q1371624","display_name":"Background noise","level":2,"score":0.3472999930381775},{"id":"https://openalex.org/C168110828","wikidata":"https://www.wikidata.org/wiki/Q1331626","display_name":"Spectral density","level":2,"score":0.3361000120639801},{"id":"https://openalex.org/C30475298","wikidata":"https://www.wikidata.org/wiki/Q909554","display_name":"Computational physics","level":1,"score":0.32109999656677246},{"id":"https://openalex.org/C173523689","wikidata":"https://www.wikidata.org/wiki/Q215589","display_name":"Dipole","level":2,"score":0.3147999942302704},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.3082999885082245},{"id":"https://openalex.org/C78902741","wikidata":"https://www.wikidata.org/wiki/Q4915071","display_name":"Biomagnetism","level":3,"score":0.27549999952316284},{"id":"https://openalex.org/C187612029","wikidata":"https://www.wikidata.org/wiki/Q17083130","display_name":"Noise floor","level":4,"score":0.26159998774528503},{"id":"https://openalex.org/C2781331714","wikidata":"https://www.wikidata.org/wiki/Q1163768","display_name":"Current source","level":3,"score":0.26080000400543213},{"id":"https://openalex.org/C153946474","wikidata":"https://www.wikidata.org/wiki/Q333921","display_name":"Magnetometer","level":3,"score":0.2556999921798706},{"id":"https://openalex.org/C2777402240","wikidata":"https://www.wikidata.org/wiki/Q6783436","display_name":"Masking (illustration)","level":2,"score":0.25529998540878296},{"id":"https://openalex.org/C122507166","wikidata":"https://www.wikidata.org/wiki/Q628906","display_name":"Crossover","level":2,"score":0.2549999952316284}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.64898/2026.08.17.744953","doi":"https://doi.org/10.64898/2026.08.17.744953","is_oa":true,"landing_page_url":"https://doi.org/10.64898/2026.08.17.744953","pdf_url":"https://www.biorxiv.org/content/biorxiv/early/2026/08/21/2026.08.17.744953.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","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"bioRxiv","raw_type":"posted-content"}],"best_oa_location":{"id":"doi:10.64898/2026.08.17.744953","doi":"https://doi.org/10.64898/2026.08.17.744953","is_oa":true,"landing_page_url":"https://doi.org/10.64898/2026.08.17.744953","pdf_url":"https://www.biorxiv.org/content/biorxiv/early/2026/08/21/2026.08.17.744953.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","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"bioRxiv","raw_type":"posted-content"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7203917706.pdf","grobid_xml":"https://content.openalex.org/works/W7203917706.grobid-xml"},"referenced_works_count":58,"referenced_works":["https://openalex.org/W1973042443","https://openalex.org/W1974637957","https://openalex.org/W1987333243","https://openalex.org/W1989045420","https://openalex.org/W2040553986","https://openalex.org/W2044375737","https://openalex.org/W2048298374","https://openalex.org/W2050151003","https://openalex.org/W2054822861","https://openalex.org/W2058850340","https://openalex.org/W2063347383","https://openalex.org/W2066804398","https://openalex.org/W2082147967","https://openalex.org/W2084333685","https://openalex.org/W2089093161","https://openalex.org/W2105624651","https://openalex.org/W2161478449","https://openalex.org/W2163386852","https://openalex.org/W2167254241","https://openalex.org/W2169918686","https://openalex.org/W2329696737","https://openalex.org/W2463104285","https://openalex.org/W2512628654","https://openalex.org/W2519250823","https://openalex.org/W2551309024","https://openalex.org/W2581653246","https://openalex.org/W2737440299","https://openalex.org/W2766839228","https://openalex.org/W2791548393","https://openalex.org/W2801389833","https://openalex.org/W2943782368","https://openalex.org/W2949327983","https://openalex.org/W2978679558","https://openalex.org/W3002374698","https://openalex.org/W3014097088","https://openalex.org/W3117093712","https://openalex.org/W3145604009","https://openalex.org/W3194657481","https://openalex.org/W3201966318","https://openalex.org/W4206021577","https://openalex.org/W4224229747","https://openalex.org/W4224243287","https://openalex.org/W4225307071","https://openalex.org/W4234313306","https://openalex.org/W4243708086","https://openalex.org/W4245496037","https://openalex.org/W4283731272","https://openalex.org/W4321769452","https://openalex.org/W4392910321","https://openalex.org/W4400408934","https://openalex.org/W4401835011","https://openalex.org/W4401844722","https://openalex.org/W4404659561","https://openalex.org/W4406681872","https://openalex.org/W4416674148","https://openalex.org/W7141755212","https://openalex.org/W7154478360","https://openalex.org/W7155539447"],"related_works":["https://openalex.org/W2949327983","https://openalex.org/W2943893250","https://openalex.org/W3110509234","https://openalex.org/W2581653246","https://openalex.org/W4224322502","https://openalex.org/W7138857085","https://openalex.org/W3120805641","https://openalex.org/W7032910562","https://openalex.org/W7140527626","https://openalex.org/W7084758099"],"abstract_inverted_index":{"ABSTRACT":[0],"Optically":[1],"pumped":[2],"magnetometer":[3],"(OPM)":[4],"sensors":[5,134,139,227],"can":[6],"be":[7,120],"placed":[8],"closer":[9],"to":[10,63,200,259],"the":[11,64,67,70,77,83,104,113,145,162,165,183,201,215,220,226,232,235,240,244,262,277],"scalp":[12],"than":[13,54,173,239],"conventional":[14],"superconducting":[15],"quantum":[16],"interference":[17],"devices":[18],"(SQUID),":[19],"resulting":[20],"in":[21,50,55,93,149,171,174,178,187,286],"larger":[22,177],"magnetoencephalography":[23],"(MEG)":[24],"signals":[25],"from":[26,231],"neuronal":[27],"activity.":[28],"For":[29],"event-related":[30],"sensor":[31,101],"data,":[32],"such":[33],"as":[34],"epileptogenic":[35],"activity":[36],"or":[37,269],"sensory":[38],"and":[39,45,76,132,135,197,219,302],"motor":[40],"evoked":[41,206,216],"responses,":[42],"however,":[43],"OPMs":[44,186,283],"SQUIDs":[46,285],"often":[47],"differ":[48],"less":[49,238],"signal-to-noise":[51],"ratio":[52],"(SNR)":[53],"signal":[56,71,241],"magnitude.":[57],"We":[58],"examined":[59],"two":[60],"factors":[61],"contributing":[62],"relative":[65,114,159],"SNR:":[66],"dependence":[68],"of":[69,79,144,164,185,195,248,267,282,288,292],"magnitude":[72,218,242],"on":[73,82,112,243],"source":[74,123,147,265],"depth":[75,124,148],"effect":[78],"scalp-to-sensor":[80,211,245],"distance":[81],"noise":[84,116,160,193,221,264],"level.":[85],"Simulated":[86],"MEG":[87,296],"data":[88],"for":[89,108,130,156,298],"a":[90,94,121,157],"current":[91],"dipole":[92],"spherical":[95,151],"head":[96,152,180],"model":[97],"confirmed":[98],"that":[99],"on-scalp":[100,131],"placement":[102],"delivers":[103],"largest":[105],"SNR":[106,127,168,236],"gain":[107],"superficial":[109],"sources.":[110],"Depending":[111],"overall":[115],"level,":[117,161],"there":[118],"may":[119],"crossover":[122],"at":[125,209,253,272],"which":[126,137,290],"is":[128,169,291],"equal":[129],"off-scalp":[133,138],"beyond":[136],"achieve":[140],"higher":[141,170],"SNR.":[142],"Analysis":[143],"equal-SNR":[146],"different-sized":[150],"models":[153],"indicated":[154],"that,":[155],"given":[158],"proportion":[163],"brain":[166,196,268,303],"where":[167],"OPM":[172],"SQUID":[175],"was":[176,266],"small":[179],"models,":[181],"supporting":[182],"benefits":[184],"pediatric":[188],"studies.":[189],"To":[190],"experimentally":[191],"evaluate":[192],"contributions":[194],"non-brain":[198,270],"origin":[199,271],"SNR,":[202,289],"we":[203],"recorded":[204],"somatosensory":[205],"fields":[207],"(SEFs)":[208],"varying":[210],"distances.":[212],"Generally,":[213],"both":[214],"response":[217],"level":[222],"were":[223,228],"lower":[224],"when":[225,294],"further":[229],"away":[230],"scalp;":[233],"consequently,":[234],"depended":[237],"distance.":[246],"Comparison":[247],"power":[249],"spectral":[250],"densities":[251],"(PSDs)":[252],"different":[254,273],"sensor-to-scalp":[255],"distances":[256],"allowed":[257],"us":[258],"identify":[260],"whether":[261],"dominant":[263],"frequency":[274],"bands.":[275],"Overall,":[276],"results":[278],"highlight":[279],"complementary":[280],"properties":[281],"vs.":[284],"terms":[287],"interest":[293],"optimizing":[295],"experiments":[297],"specific":[299],"subject":[300],"populations":[301],"regions.":[304]},"counts_by_year":[],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2026-08-22T00:00:00"}
