{"id":"https://openalex.org/W3192345145","doi":"https://doi.org/10.1109/embc46164.2021.9630144","title":"On the interpretation of linear Riemannian tangent space model parameters in M/EEG","display_name":"On the interpretation of linear Riemannian tangent space model parameters in M/EEG","publication_year":2021,"publication_date":"2021-11-01","ids":{"openalex":"https://openalex.org/W3192345145","doi":"https://doi.org/10.1109/embc46164.2021.9630144","mag":"3192345145","pmid":"https://pubmed.ncbi.nlm.nih.gov/34892464"},"language":"en","primary_location":{"id":"doi:10.1109/embc46164.2021.9630144","is_oa":false,"landing_page_url":"https://doi.org/10.1109/embc46164.2021.9630144","pdf_url":null,"source":{"id":"https://openalex.org/S4363607750","display_name":"2021 43rd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 43rd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5080419233","display_name":"Reinmar J. Kobler","orcid":"https://orcid.org/0000-0003-4007-279X"},"institutions":[{"id":"https://openalex.org/I4210126580","display_name":"RIKEN Center for Advanced Intelligence Project","ror":"https://ror.org/03ckxwf91","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4210110652","https://openalex.org/I4210126580"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Reinmar J. Kobler","raw_affiliation_strings":["Graz BCI Racing Team","RIKEN AIP, Kyoto, Japan"],"affiliations":[{"raw_affiliation_string":"Graz BCI Racing Team","institution_ids":[]},{"raw_affiliation_string":"RIKEN AIP, Kyoto, Japan","institution_ids":["https://openalex.org/I4210126580"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113067854","display_name":"Jun-ichiro Hirayama","orcid":"https://orcid.org/0000-0002-9875-223X"},"institutions":[{"id":"https://openalex.org/I4210126580","display_name":"RIKEN Center for Advanced Intelligence Project","ror":"https://ror.org/03ckxwf91","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4210110652","https://openalex.org/I4210126580"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Jun-Ichiro Hirayama","raw_affiliation_strings":["RIKEN AIP, Kyoto, Japan"],"affiliations":[{"raw_affiliation_string":"RIKEN AIP, Kyoto, Japan","institution_ids":["https://openalex.org/I4210126580"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002057065","display_name":"Lea Hehenberger","orcid":"https://orcid.org/0000-0002-2841-768X"},"institutions":[{"id":"https://openalex.org/I4092182","display_name":"Graz University of Technology","ror":"https://ror.org/00d7xrm67","country_code":"AT","type":"education","lineage":["https://openalex.org/I4092182"]}],"countries":["AT"],"is_corresponding":false,"raw_author_name":"Lea Hehenberger","raw_affiliation_strings":["Graz BCI Racing Team","Insitute of Neural Engineering, Graz University of Technology, Graz, Austria"],"affiliations":[{"raw_affiliation_string":"Graz BCI Racing Team","institution_ids":[]},{"raw_affiliation_string":"Insitute of Neural Engineering, Graz University of Technology, Graz, Austria","institution_ids":["https://openalex.org/I4092182"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5070387955","display_name":"Catarina Lopes-Dias","orcid":"https://orcid.org/0000-0001-9775-3743"},"institutions":[{"id":"https://openalex.org/I4092182","display_name":"Graz University of Technology","ror":"https://ror.org/00d7xrm67","country_code":"AT","type":"education","lineage":["https://openalex.org/I4092182"]}],"countries":["AT"],"is_corresponding":false,"raw_author_name":"Catarina Lopes-Dias","raw_affiliation_strings":["Graz BCI Racing Team","Insitute of Neural Engineering, Graz University of Technology, Graz, Austria"],"affiliations":[{"raw_affiliation_string":"Graz BCI Racing Team","institution_ids":[]},{"raw_affiliation_string":"Insitute of Neural Engineering, Graz University of Technology, Graz, Austria","institution_ids":["https://openalex.org/I4092182"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053241501","display_name":"Gernot M\u00fcller-Putz","orcid":"https://orcid.org/0000-0002-0087-3720"},"institutions":[{"id":"https://openalex.org/I4092182","display_name":"Graz University of Technology","ror":"https://ror.org/00d7xrm67","country_code":"AT","type":"education","lineage":["https://openalex.org/I4092182"]}],"countries":["AT"],"is_corresponding":false,"raw_author_name":"Gernot R. Muller-Putz","raw_affiliation_strings":["Graz BCI Racing Team","Insitute of Neural Engineering, Graz University of Technology, Graz, Austria"],"affiliations":[{"raw_affiliation_string":"Graz BCI Racing Team","institution_ids":[]},{"raw_affiliation_string":"Insitute of Neural Engineering, Graz University of Technology, Graz, Austria","institution_ids":["https://openalex.org/I4092182"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5004328317","display_name":"Motoaki Kawanabe","orcid":null},"institutions":[{"id":"https://openalex.org/I4210126580","display_name":"RIKEN Center for Advanced Intelligence Project","ror":"https://ror.org/03ckxwf91","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4210110652","https://openalex.org/I4210126580"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Motoaki Kawanabe","raw_affiliation_strings":["RIKEN AIP, Kyoto, Japan"],"affiliations":[{"raw_affiliation_string":"RIKEN AIP, Kyoto, Japan","institution_ids":["https://openalex.org/I4210126580"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5080419233"],"corresponding_institution_ids":["https://openalex.org/I4210126580"],"apc_list":null,"apc_paid":null,"fwci":1.7504,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.84504505,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"2021","issue":null,"first_page":"5909","last_page":"5913"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10581","display_name":"Neural dynamics and brain function","score":0.9997000098228455,"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"}},"topics":[{"id":"https://openalex.org/T10581","display_name":"Neural dynamics and brain function","score":0.9997000098228455,"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/T10320","display_name":"Neural Networks and Applications","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10241","display_name":"Functional Brain Connectivity Studies","score":0.9976000189781189,"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/robustness","display_name":"Robustness (evolution)","score":0.827297568321228},{"id":"https://openalex.org/keywords/interpretability","display_name":"Interpretability","score":0.7699289917945862},{"id":"https://openalex.org/keywords/tangent","display_name":"Tangent","score":0.6668028235435486},{"id":"https://openalex.org/keywords/electroencephalography","display_name":"Electroencephalography","score":0.6474384665489197},{"id":"https://openalex.org/keywords/tangent-space","display_name":"Tangent space","score":0.5925284624099731},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.569023072719574},{"id":"https://openalex.org/keywords/magnetoencephalography","display_name":"Magnetoencephalography","score":0.5603379011154175},{"id":"https://openalex.org/keywords/riemannian-geometry","display_name":"Riemannian geometry","score":0.4956005811691284},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4840930700302124},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.44854941964149475},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.35832566022872925},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.11069166660308838},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.10631832480430603},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.07008802890777588}],"concepts":[{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.827297568321228},{"id":"https://openalex.org/C2781067378","wikidata":"https://www.wikidata.org/wiki/Q17027399","display_name":"Interpretability","level":2,"score":0.7699289917945862},{"id":"https://openalex.org/C138187205","wikidata":"https://www.wikidata.org/wiki/Q131251","display_name":"Tangent","level":2,"score":0.6668028235435486},{"id":"https://openalex.org/C522805319","wikidata":"https://www.wikidata.org/wiki/Q179965","display_name":"Electroencephalography","level":2,"score":0.6474384665489197},{"id":"https://openalex.org/C157157409","wikidata":"https://www.wikidata.org/wiki/Q909601","display_name":"Tangent space","level":2,"score":0.5925284624099731},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.569023072719574},{"id":"https://openalex.org/C556910895","wikidata":"https://www.wikidata.org/wiki/Q384188","display_name":"Magnetoencephalography","level":3,"score":0.5603379011154175},{"id":"https://openalex.org/C181104567","wikidata":"https://www.wikidata.org/wiki/Q761383","display_name":"Riemannian geometry","level":2,"score":0.4956005811691284},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4840930700302124},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.44854941964149475},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.35832566022872925},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.11069166660308838},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.10631832480430603},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.07008802890777588},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C118552586","wikidata":"https://www.wikidata.org/wiki/Q7867","display_name":"Psychiatry","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0}],"mesh":[{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D004569","descriptor_name":"Electroencephalography","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004569","descriptor_name":"Electroencephalography","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004569","descriptor_name":"Electroencephalography","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015225","descriptor_name":"Magnetoencephalography","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015225","descriptor_name":"Magnetoencephalography","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015225","descriptor_name":"Magnetoencephalography","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D018561","descriptor_name":"Space Simulation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D018561","descriptor_name":"Space Simulation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D018561","descriptor_name":"Space Simulation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D062207","descriptor_name":"Brain-Computer Interfaces","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D062207","descriptor_name":"Brain-Computer Interfaces","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D062207","descriptor_name":"Brain-Computer Interfaces","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.1109/embc46164.2021.9630144","is_oa":false,"landing_page_url":"https://doi.org/10.1109/embc46164.2021.9630144","pdf_url":null,"source":{"id":"https://openalex.org/S4363607750","display_name":"2021 43rd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 43rd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC)","raw_type":"proceedings-article"},{"id":"pmid:34892464","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/34892464","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5099999904632568,"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":24,"referenced_works":["https://openalex.org/W1973740062","https://openalex.org/W1985244573","https://openalex.org/W2011402106","https://openalex.org/W2042076346","https://openalex.org/W2096597330","https://openalex.org/W2099509424","https://openalex.org/W2101234009","https://openalex.org/W2119963163","https://openalex.org/W2135595031","https://openalex.org/W2142280324","https://openalex.org/W2156755871","https://openalex.org/W2171746332","https://openalex.org/W2549437649","https://openalex.org/W2602279467","https://openalex.org/W2794345050","https://openalex.org/W2948918710","https://openalex.org/W3006385477","https://openalex.org/W3013556016","https://openalex.org/W3027507201","https://openalex.org/W3134577784","https://openalex.org/W4250543537","https://openalex.org/W4288336407","https://openalex.org/W6675354045","https://openalex.org/W6763600150"],"related_works":["https://openalex.org/W2361271799","https://openalex.org/W2577818139","https://openalex.org/W47544861","https://openalex.org/W123898865","https://openalex.org/W2912635026","https://openalex.org/W4249328994","https://openalex.org/W2391887161","https://openalex.org/W2358302317","https://openalex.org/W4302552130","https://openalex.org/W2390580168"],"abstract_inverted_index":{"Riemannian":[0,105],"tangent":[1,49,106],"space":[2,50,107],"methods":[3,108],"offer":[4],"state-of-the-art":[5],"performance":[6],"in":[7,113],"magnetoencephalography":[8],"(MEG)":[9],"and":[10,19,76,80,91],"electroencephalography":[11],"(EEG)":[12],"based":[13],"applications":[14],"such":[15],"as":[16],"brain-computer":[17],"interfaces":[18],"biomarker":[20,27],"development.":[21],"One":[22],"limitation,":[23],"particularly":[24],"relevant":[25],"for":[26],"development,":[28],"is":[29],"limited":[30],"model":[31,97],"interpretability":[32],"compared":[33],"to":[34,43,111,127],"established":[35],"component-based":[36],"methods.":[37],"Here,":[38],"we":[39,58,83],"propose":[40],"a":[41,71],"method":[42],"transform":[44],"the":[45,64,85,88,96,114,128],"parameters":[46],"of":[47,67,87],"linear":[48],"models":[51],"into":[52],"interpretable":[53],"patterns.":[54,130],"Using":[55],"typical":[56],"assumptions,":[57],"show":[59],"that":[60,104,121],"this":[61,122],"approach":[62,90],"identifies":[63],"true":[65],"patterns":[66,116],"latent":[68],"sources,":[69],"encoding":[70],"target":[72],"signal.":[73],"In":[74],"simulations":[75],"two":[77],"real":[78],"MEG":[79],"EEG":[81],"datasets,":[82],"demonstrate":[84],"validity":[86],"proposed":[89],"investigate":[92],"its":[93],"behavior":[94],"when":[95],"assumptions":[98],"are":[99,109],"violated.":[100],"Our":[101],"results":[102],"confirm":[103],"robust":[110],"differences":[112],"source":[115],"across":[117],"observations.":[118],"We":[119],"found":[120],"robustness":[123],"property":[124],"also":[125],"transfers":[126],"associated":[129]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":5}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}