{"id":"https://openalex.org/W2118459608","doi":"https://doi.org/10.1109/iww-bci.2013.6506622","title":"Classifying ECoG signals prior to voluntary movement onset","display_name":"Classifying ECoG signals prior to voluntary movement onset","publication_year":2013,"publication_date":"2013-02-01","ids":{"openalex":"https://openalex.org/W2118459608","doi":"https://doi.org/10.1109/iww-bci.2013.6506622","mag":"2118459608"},"language":"en","primary_location":{"id":"doi:10.1109/iww-bci.2013.6506622","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iww-bci.2013.6506622","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 International Winter Workshop on Brain-Computer Interface (BCI)","raw_type":"proceedings-article"},"type":"article","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/A5100405631","display_name":"Sang Hun Lee","orcid":"https://orcid.org/0000-0002-0020-4631"},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Sang Hun Lee","raw_affiliation_strings":["Interdisciplinary Program, Neuroscience Seoul National University, Seoul, South Korea","Interdisciplinary Program in Neuroscience Seoul National University Seoul, Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Interdisciplinary Program, Neuroscience Seoul National University, Seoul, South Korea","institution_ids":["https://openalex.org/I139264467"]},{"raw_affiliation_string":"Interdisciplinary Program in Neuroscience Seoul National University Seoul, Korea","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071094964","display_name":"Kyung\u2010In Choi","orcid":null},"institutions":[{"id":"https://openalex.org/I2802835388","display_name":"Seoul National University Hospital","ror":"https://ror.org/01z4nnt86","country_code":"KR","type":"healthcare","lineage":["https://openalex.org/I139264467","https://openalex.org/I2802835388"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Kyungin Choi","raw_affiliation_strings":["Department of Neurosurgery, Seoul National University Hospital, Seoul, South Korea","Department of Neurosurgery, Seoul National University Hospital, Seoul, Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Neurosurgery, Seoul National University Hospital, Seoul, South Korea","institution_ids":["https://openalex.org/I2802835388"]},{"raw_affiliation_string":"Department of Neurosurgery, Seoul National University Hospital, Seoul, Korea","institution_ids":["https://openalex.org/I2802835388"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013478632","display_name":"Sehyoon Jeong","orcid":null},"institutions":[{"id":"https://openalex.org/I2802835388","display_name":"Seoul National University Hospital","ror":"https://ror.org/01z4nnt86","country_code":"KR","type":"healthcare","lineage":["https://openalex.org/I139264467","https://openalex.org/I2802835388"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Sehyoon Jeong","raw_affiliation_strings":["Department of Neurosurgery, Seoul National University Hospital, Seoul, South Korea","Department of Neurosurgery, Seoul National University Hospital, Seoul, Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Neurosurgery, Seoul National University Hospital, Seoul, South Korea","institution_ids":["https://openalex.org/I2802835388"]},{"raw_affiliation_string":"Department of Neurosurgery, Seoul National University Hospital, Seoul, Korea","institution_ids":["https://openalex.org/I2802835388"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069091826","display_name":"Jun Sic Kim","orcid":null},"institutions":[{"id":"https://openalex.org/I2802835388","display_name":"Seoul National University Hospital","ror":"https://ror.org/01z4nnt86","country_code":"KR","type":"healthcare","lineage":["https://openalex.org/I139264467","https://openalex.org/I2802835388"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jun Sic Kim","raw_affiliation_strings":["Department of Neurosurgery, Seoul National University Hospital, Seoul, South Korea","Department of Neurosurgery, Seoul National University Hospital, Seoul, Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Neurosurgery, Seoul National University Hospital, Seoul, South Korea","institution_ids":["https://openalex.org/I2802835388"]},{"raw_affiliation_string":"Department of Neurosurgery, Seoul National University Hospital, Seoul, Korea","institution_ids":["https://openalex.org/I2802835388"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5088640429","display_name":"Chun Kee Chung","orcid":"https://orcid.org/0000-0003-3485-2327"},"institutions":[{"id":"https://openalex.org/I2802835388","display_name":"Seoul National University Hospital","ror":"https://ror.org/01z4nnt86","country_code":"KR","type":"healthcare","lineage":["https://openalex.org/I139264467","https://openalex.org/I2802835388"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Chun Kee Chung","raw_affiliation_strings":["Department of Neurosurgery, Seoul National University Hospital, Seoul, South Korea","Department of Neurosurgery, Seoul National University Hospital, Seoul, Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Neurosurgery, Seoul National University Hospital, Seoul, South Korea","institution_ids":["https://openalex.org/I2802835388"]},{"raw_affiliation_string":"Department of Neurosurgery, Seoul National University Hospital, Seoul, Korea","institution_ids":["https://openalex.org/I2802835388"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.3134,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.61186194,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"159","issue":null,"first_page":"36","last_page":"38"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10429","display_name":"EEG and Brain-Computer Interfaces","score":1.0,"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/T10429","display_name":"EEG and Brain-Computer Interfaces","score":1.0,"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/T10042","display_name":"Neural and Behavioral Psychology Studies","score":0.9988999962806702,"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/T10919","display_name":"Neurological disorders and treatments","score":0.9957000017166138,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Neurology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/brain\u2013computer-interface","display_name":"Brain\u2013computer interface","score":0.8799694776535034},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6423547267913818},{"id":"https://openalex.org/keywords/support-vector-machine","display_name":"Support vector machine","score":0.5663888454437256},{"id":"https://openalex.org/keywords/electroencephalography","display_name":"Electroencephalography","score":0.48240745067596436},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.46223053336143494},{"id":"https://openalex.org/keywords/interface","display_name":"Interface (matter)","score":0.44753149151802063},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.4343668818473816},{"id":"https://openalex.org/keywords/sample-entropy","display_name":"Sample entropy","score":0.41555672883987427},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.4052802324295044},{"id":"https://openalex.org/keywords/physical-medicine-and-rehabilitation","display_name":"Physical medicine and rehabilitation","score":0.3253675103187561},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.29032593965530396},{"id":"https://openalex.org/keywords/neuroscience","display_name":"Neuroscience","score":0.12769180536270142},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.0974736213684082}],"concepts":[{"id":"https://openalex.org/C173201364","wikidata":"https://www.wikidata.org/wiki/Q897410","display_name":"Brain\u2013computer interface","level":3,"score":0.8799694776535034},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6423547267913818},{"id":"https://openalex.org/C12267149","wikidata":"https://www.wikidata.org/wiki/Q282453","display_name":"Support vector machine","level":2,"score":0.5663888454437256},{"id":"https://openalex.org/C522805319","wikidata":"https://www.wikidata.org/wiki/Q179965","display_name":"Electroencephalography","level":2,"score":0.48240745067596436},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.46223053336143494},{"id":"https://openalex.org/C113843644","wikidata":"https://www.wikidata.org/wiki/Q901882","display_name":"Interface (matter)","level":4,"score":0.44753149151802063},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.4343668818473816},{"id":"https://openalex.org/C66696666","wikidata":"https://www.wikidata.org/wiki/Q17105612","display_name":"Sample entropy","level":3,"score":0.41555672883987427},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.4052802324295044},{"id":"https://openalex.org/C99508421","wikidata":"https://www.wikidata.org/wiki/Q2678675","display_name":"Physical medicine and rehabilitation","level":1,"score":0.3253675103187561},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.29032593965530396},{"id":"https://openalex.org/C169760540","wikidata":"https://www.wikidata.org/wiki/Q207011","display_name":"Neuroscience","level":1,"score":0.12769180536270142},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0974736213684082},{"id":"https://openalex.org/C129307140","wikidata":"https://www.wikidata.org/wiki/Q6795880","display_name":"Maximum bubble pressure method","level":3,"score":0.0},{"id":"https://openalex.org/C157915830","wikidata":"https://www.wikidata.org/wiki/Q2928001","display_name":"Bubble","level":2,"score":0.0},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iww-bci.2013.6506622","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iww-bci.2013.6506622","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 International Winter Workshop on Brain-Computer Interface (BCI)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1517808374","https://openalex.org/W1521847894","https://openalex.org/W1993657271","https://openalex.org/W2015447804","https://openalex.org/W2076196856","https://openalex.org/W2089598398","https://openalex.org/W2125992711","https://openalex.org/W2998678080","https://openalex.org/W6630956611"],"related_works":["https://openalex.org/W3202969339","https://openalex.org/W4237513258","https://openalex.org/W2044053727","https://openalex.org/W1994410349","https://openalex.org/W3177028067","https://openalex.org/W1913385466","https://openalex.org/W2914170859","https://openalex.org/W2889342546","https://openalex.org/W2015048155","https://openalex.org/W1969223073"],"abstract_inverted_index":{"Recently,":[0],"in":[1,71,94],"brain-computer":[2],"interface":[3],"(BCI)":[4],"researches,":[5],"earlier":[6],"neural":[7],"signals":[8,35,54,190],"have":[9],"allowed":[10],"researchers":[11],"to":[12,32,36,41,111,169],"reduce":[13],"the":[14,23,44,118,122,128,158,172,183],"time":[15],"gap":[16],"between":[17,99],"a":[18,95,106,138,202],"subject's":[19,203],"real":[20,204],"action":[21],"and":[22,40,74,79,148,191],"BCI":[24,198],"response.":[25],"The":[26,87,114,161,175],"aims":[27],"of":[28,117,121,142,178],"this":[29,72],"study":[30,73],"were":[31,103,151,155],"use":[33],"pre-movement":[34,63],"predict":[37],"motor":[38,57],"tasks,":[39],"decide":[42],"whether":[43],"prefrontal":[45,159,184],"area,":[46],"which":[47],"has":[48],"been":[49],"recognized":[50],"as":[51,137],"generating":[52],"premovement":[53,189],"that":[55,89,182,193],"reflect":[56],"intention":[58,180],"or":[59],"preparation,":[60],"generates":[61],"useful":[62,188],"signals.":[64],"Six":[65],"patients":[66],"with":[67],"intractable":[68],"epilepsy":[69],"participated":[70],"performed":[75],"self-paced":[76],"hand":[77,146],"grasping":[78,147],"elbow":[80,149],"flexion":[81,150],"while":[82],"electrocortico-graphy":[83],"(ECoG)":[84],"was":[85,125,135,165],"recorded.":[86],"electrodes":[88,144,154],"showed":[90],"clear":[91],"power":[92,120],"differences":[93],"specific":[96],"frequency":[97],"band":[98],"two":[100],"different":[101],"movements":[102],"chosen":[104],"at":[105],"preparatory":[107],"stage":[108],"(-2.0":[109],"s":[110],"0":[112],"s).":[113],"average":[115,162],"value":[116],"squared":[119],"signal":[123],"sample":[124],"extracted":[126],"for":[127],"feature.":[129],"A":[130,140],"support":[131],"vector":[132],"machine":[133],"(SVM)":[134],"used":[136],"classifier.":[139],"total":[141],"twelve":[143],"differentiating":[145],"selected.":[152],"Four":[153],"placed":[156],"on":[157],"area.":[160],"prediction":[163,177],"rate":[164],"74%":[166],"(range,":[167],"55.4":[168],"99.3%)":[170],"across":[171],"six":[173],"subjects.":[174],"successful":[176],"movement":[179],"indicates":[181],"area":[185],"may":[186],"generate":[187],"implies":[192],"our":[194],"approach":[195],"could":[196],"produce":[197],"response":[199],"faster":[200],"than":[201],"actions.":[205]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2015,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
