{"id":"https://openalex.org/W2164522946","doi":"https://doi.org/10.1109/robio.2009.5420400","title":"Measurement of brain activity using optical and electrical method","display_name":"Measurement of brain activity using optical and electrical method","publication_year":2009,"publication_date":"2009-12-01","ids":{"openalex":"https://openalex.org/W2164522946","doi":"https://doi.org/10.1109/robio.2009.5420400","mag":"2164522946"},"language":"en","primary_location":{"id":"doi:10.1109/robio.2009.5420400","is_oa":false,"landing_page_url":"https://doi.org/10.1109/robio.2009.5420400","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Conference on Robotics and Biomimetics (ROBIO)","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"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/A5062875315","display_name":"Atsushi Saito","orcid":"https://orcid.org/0000-0003-3430-884X"},"institutions":[{"id":"https://openalex.org/I146399215","display_name":"University of Tsukuba","ror":"https://ror.org/02956yf07","country_code":"JP","type":"education","lineage":["https://openalex.org/I146399215"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Atsushi Saito","raw_affiliation_strings":["Graduate School of Systems and Information Engineering, University of Tsukuba, Tsukuba, Ibaraki, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Systems and Information Engineering, University of Tsukuba, Tsukuba, Ibaraki, Japan","institution_ids":["https://openalex.org/I146399215"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067478478","display_name":"Alexsandr Ianov","orcid":null},"institutions":[{"id":"https://openalex.org/I146399215","display_name":"University of Tsukuba","ror":"https://ror.org/02956yf07","country_code":"JP","type":"education","lineage":["https://openalex.org/I146399215"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Alexsandr Ianov","raw_affiliation_strings":["Graduate School of Systems and Information Engineering, University of Tsukuba, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Systems and Information Engineering, University of Tsukuba, Japan","institution_ids":["https://openalex.org/I146399215"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5039658736","display_name":"Yoshiyuki Sankai","orcid":"https://orcid.org/0000-0002-6345-1541"},"institutions":[{"id":"https://openalex.org/I146399215","display_name":"University of Tsukuba","ror":"https://ror.org/02956yf07","country_code":"JP","type":"education","lineage":["https://openalex.org/I146399215"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yoshiyuki Sankai","raw_affiliation_strings":["Graduate School of Systems and Information Engineering, University of Tsukuba, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Systems and Information Engineering, University of Tsukuba, Japan","institution_ids":["https://openalex.org/I146399215"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I146399215"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.28849361,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":96},"biblio":{"volume":"21","issue":null,"first_page":"1555","last_page":"1560"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10977","display_name":"Optical Imaging and Spectroscopy Techniques","score":0.9977999925613403,"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"}},"topics":[{"id":"https://openalex.org/T10977","display_name":"Optical Imaging and Spectroscopy Techniques","score":0.9977999925613403,"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":0.9955999851226807,"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/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.9947999715805054,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/computer-science","display_name":"Computer science","score":0.5951470136642456},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.4683536887168884},{"id":"https://openalex.org/keywords/laser","display_name":"Laser","score":0.44909602403640747},{"id":"https://openalex.org/keywords/holography","display_name":"Holography","score":0.43414008617401123},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.4248633086681366},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4192241430282593},{"id":"https://openalex.org/keywords/simulation","display_name":"Simulation","score":0.3988138437271118},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.1872519552707672},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.14678579568862915}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5951470136642456},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.4683536887168884},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.44909602403640747},{"id":"https://openalex.org/C187590223","wikidata":"https://www.wikidata.org/wiki/Q527628","display_name":"Holography","level":2,"score":0.43414008617401123},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4248633086681366},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4192241430282593},{"id":"https://openalex.org/C44154836","wikidata":"https://www.wikidata.org/wiki/Q45045","display_name":"Simulation","level":1,"score":0.3988138437271118},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.1872519552707672},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.14678579568862915},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/robio.2009.5420400","is_oa":false,"landing_page_url":"https://doi.org/10.1109/robio.2009.5420400","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Conference on Robotics and Biomimetics (ROBIO)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320323954","display_name":"University of Tsukuba","ror":"https://ror.org/02956yf07"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W1510441903","https://openalex.org/W2015050858","https://openalex.org/W2038609344","https://openalex.org/W2090656762","https://openalex.org/W2114570024","https://openalex.org/W2137523819","https://openalex.org/W3128118880","https://openalex.org/W3178159043","https://openalex.org/W4236113979","https://openalex.org/W6790306167","https://openalex.org/W6798222057"],"related_works":["https://openalex.org/W2707254711","https://openalex.org/W4312894971","https://openalex.org/W2520519067","https://openalex.org/W4381305349","https://openalex.org/W429585224","https://openalex.org/W2028098652","https://openalex.org/W4321134085","https://openalex.org/W1997788316","https://openalex.org/W1632346977","https://openalex.org/W1998297883"],"abstract_inverted_index":{"There":[0],"are":[1,26],"patients":[2,10],"that":[3,19,57,192,207],"cannot":[4],"produce":[5],"bioelectric":[6],"signals":[7],"such":[8,32,137],"as":[9,33,138],"with":[11],"advanced":[12],"stages":[13],"of":[14,65,78,100,147,177,212],"Amyotrophic":[15],"Lateral":[16],"Sclerosis":[17],"or":[18,197],"have":[20],"suffered":[21],"severe":[22],"spinal":[23],"cord":[24],"injury,":[25],"unable":[27],"to":[28,71,93,116,155,186,230],"use":[29],"assistive":[30,160],"devices":[31],"the":[34,48,95,111,120,127,131,141,152,157,181,187,218,222],"exoskeleton":[35],"HAL.":[36],"This":[37],"paper":[38],"proposes":[39],"a":[40,54,66,204],"non-invasive":[41],"brain":[42,232],"activity":[43,233],"scanning":[44],"method":[45],"for":[46],"collecting":[47],"patient's":[49],"movement":[50,167,184],"intentions":[51],"by":[52,234],"developing":[53],"hybrid":[55,96,205],"sensor":[56,76,97,206],"can":[58,208],"measure":[59,231],"both":[60,210],"optical":[61,112,142,213,236],"and":[62,70,81,87,214,226,237],"bioelectrical":[63,215,238],"signal":[64,216],"same":[67,219],"spot":[68,220],"simultaneously":[69],"evaluate":[72,94],"it.":[73,90],"The":[74,164],"developed":[75,203,225],"consists":[77],"holography":[79],"lasers":[80],"electrodes.":[82],"Holography":[83],"laser":[84],"contains":[85],"emitter":[86],"receiver":[88],"inside":[89],"In":[91],"order":[92,229],"two":[98],"kinds":[99,211],"experiments":[101],"were":[102],"carried":[103],"out:":[104],"1)":[105],"Data":[106],"Collection":[107],"Experiment":[108,149],"in":[109,123,150,228],"which":[110,151],"density":[113,143],"was":[114,122,133,168,193,224],"found":[115],"be":[117],"high":[118],"when":[119],"participant":[121,132,153],"relaxation":[124],"state.":[125],"On":[126],"other":[128],"hand,":[129],"while":[130],"executing":[134],"mental":[135],"tasks":[136],"algebraic":[139],"calculations":[140],"lowered.":[144],"2)":[145],"Proof":[146],"concept":[148],"tried":[154],"move":[156],"upper":[158,165,182],"limb":[159,166,183],"device":[161],"10":[162],"times.":[163],"recorded":[169],"24":[170,179],"times":[171,191],"during":[172],"this":[173,178],"period.":[174],"However":[175],"out":[176],"times,":[180],"corresponded":[185],"participant's":[188],"intention":[189],"7":[190],"recorder":[194],"5sec":[195],"before":[196],"after":[198],"subject":[199],"started":[200],"calculation.":[201],"We":[202],"collect":[209],"from":[217],"on":[221],"scalp":[223],"evaluated":[227],"using":[235],"data.":[239]},"counts_by_year":[{"year":2020,"cited_by_count":2}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}