{"id":"https://openalex.org/W1991458215","doi":"https://doi.org/10.1109/tbme.2013.2258344","title":"Unsupervised Spatiotemporal Analysis of FMRI Data Using Graph-Based Visualizations of Self-Organizing Maps","display_name":"Unsupervised Spatiotemporal Analysis of FMRI Data Using Graph-Based Visualizations of Self-Organizing Maps","publication_year":2013,"publication_date":"2013-04-16","ids":{"openalex":"https://openalex.org/W1991458215","doi":"https://doi.org/10.1109/tbme.2013.2258344","mag":"1991458215","pmid":"https://pubmed.ncbi.nlm.nih.gov/23613020","pmcid":"https://www.ncbi.nlm.nih.gov/pmc/articles/3919688"},"language":"en","primary_location":{"is_oa":false,"landing_page_url":"https://doi.org/10.1109/tbme.2013.2258344","pdf_url":null,"source":{"id":"https://openalex.org/S5240358","display_name":"IEEE Transactions on Biomedical Engineering","issn_l":"0018-9294","issn":["0018-9294","1558-2531"],"is_oa":false,"is_in_doaj":false,"is_indexed_in_scopus":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false},"type":"article","type_crossref":"journal-article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://europepmc.org/articles/pmc3919688?pdf=render","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5026842533","display_name":"Santosh B. Katwal","orcid":null},"institutions":[{"id":"https://openalex.org/I200719446","display_name":"Vanderbilt University","ror":"https://ror.org/02vm5rt34","country_code":"US","type":"funder","lineage":["https://openalex.org/I200719446"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Santosh B. Katwal","raw_affiliation_strings":["Dept. of Electr. Eng. & Comput. Sci., Vanderbilt Univ., Nashville, TN, USA#TAB#"],"affiliations":[{"raw_affiliation_string":"Dept. of Electr. Eng. & Comput. Sci., Vanderbilt Univ., Nashville, TN, USA#TAB#","institution_ids":["https://openalex.org/I200719446"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016773409","display_name":"John C. Gore","orcid":"https://orcid.org/0000-0002-9480-0900"},"institutions":[{"id":"https://openalex.org/I200719446","display_name":"Vanderbilt University","ror":"https://ror.org/02vm5rt34","country_code":"US","type":"funder","lineage":["https://openalex.org/I200719446"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"John C. Gore","raw_affiliation_strings":["Dept. of Biomed. Eng., Radiol. & Radiol. Sci., Vanderbilt Univ., Nashville, TN, USA"],"affiliations":[{"raw_affiliation_string":"Dept. of Biomed. Eng., Radiol. & Radiol. Sci., Vanderbilt Univ., Nashville, TN, USA","institution_ids":["https://openalex.org/I200719446"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029906862","display_name":"Ren\u00e9 Marois","orcid":"https://orcid.org/0000-0003-2998-4712"},"institutions":[{"id":"https://openalex.org/I200719446","display_name":"Vanderbilt University","ror":"https://ror.org/02vm5rt34","country_code":"US","type":"funder","lineage":["https://openalex.org/I200719446"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Rene Marois","raw_affiliation_strings":["Dept. of Psychol., Vanderbilt Univ., Nashville, TN, USA"],"affiliations":[{"raw_affiliation_string":"Dept. of Psychol., Vanderbilt Univ., Nashville, TN, USA","institution_ids":["https://openalex.org/I200719446"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5024219876","display_name":"Baxter P. Rogers","orcid":"https://orcid.org/0000-0002-5666-2797"},"institutions":[{"id":"https://openalex.org/I200719446","display_name":"Vanderbilt University","ror":"https://ror.org/02vm5rt34","country_code":"US","type":"funder","lineage":["https://openalex.org/I200719446"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Baxter P. Rogers","raw_affiliation_strings":["Dept. of Biomed. Eng., Radiol. & Radiol. Sci., Vanderbilt Univ., Nashville, TN, USA"],"affiliations":[{"raw_affiliation_string":"Dept. of Biomed. Eng., Radiol. & Radiol. Sci., Vanderbilt Univ., Nashville, TN, USA","institution_ids":["https://openalex.org/I200719446"]}]}],"institution_assertions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.57,"has_fulltext":true,"fulltext_origin":"ngrams","cited_by_count":22,"citation_normalized_percentile":{"value":0.70942,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":91},"biblio":{"volume":"60","issue":"9","first_page":"2472","last_page":"2483"},"is_retracted":false,"is_paratext":false,"primary_topic":{"id":"https://openalex.org/T10241","display_name":"Functional Brain Connectivity Studies","score":0.9995,"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/T10241","display_name":"Functional Brain Connectivity Studies","score":0.9995,"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":0.9992,"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/T10581","display_name":"Neural dynamics and brain function","score":0.9977,"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/self-organizing-map","display_name":"Self-organizing map","score":0.71725386},{"id":"https://openalex.org/keywords/univariate","display_name":"Univariate","score":0.4747936}],"concepts":[{"id":"https://openalex.org/C111168008","wikidata":"https://www.wikidata.org/wiki/Q1136838","display_name":"Self-organizing map","level":3,"score":0.71725386},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.702983},{"id":"https://openalex.org/C36464697","wikidata":"https://www.wikidata.org/wiki/Q451553","display_name":"Visualization","level":2,"score":0.691278},{"id":"https://openalex.org/C2779226451","wikidata":"https://www.wikidata.org/wiki/Q903809","display_name":"Functional magnetic resonance imaging","level":2,"score":0.6495851},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.6460167},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6289208},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.52919257},{"id":"https://openalex.org/C199163554","wikidata":"https://www.wikidata.org/wiki/Q1681619","display_name":"Univariate","level":3,"score":0.4747936},{"id":"https://openalex.org/C172367668","wikidata":"https://www.wikidata.org/wiki/Q6504956","display_name":"Data visualization","level":3,"score":0.4583357},{"id":"https://openalex.org/C8038995","wikidata":"https://www.wikidata.org/wiki/Q1152135","display_name":"Unsupervised learning","level":2,"score":0.4577391},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.39295864},{"id":"https://openalex.org/C161584116","wikidata":"https://www.wikidata.org/wiki/Q1952580","display_name":"Multivariate statistics","level":2,"score":0.3120194},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.26942867},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.08236998},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.0},{"id":"https://openalex.org/C169760540","wikidata":"https://www.wikidata.org/wiki/Q207011","display_name":"Neuroscience","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":"","qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D001931","descriptor_name":"Brain Mapping","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D008279","descriptor_name":"Magnetic Resonance Imaging","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":"","qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":"","qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001921","descriptor_name":"Brain","qualifier_ui":"","qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001921","descriptor_name":"Brain","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D001931","descriptor_name":"Brain Mapping","qualifier_ui":"","qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016000","descriptor_name":"Cluster Analysis","qualifier_ui":"","qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D003198","descriptor_name":"Computer Simulation","qualifier_ui":"","qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":"","qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":"","qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008279","descriptor_name":"Magnetic Resonance Imaging","qualifier_ui":"","qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":"","qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013647","descriptor_name":"Task Performance and Analysis","qualifier_ui":"","qualifier_name":null,"is_major_topic":false}],"locations_count":4,"locations":[{"is_oa":false,"landing_page_url":"https://doi.org/10.1109/tbme.2013.2258344","pdf_url":null,"source":{"id":"https://openalex.org/S5240358","display_name":"IEEE Transactions on Biomedical Engineering","issn_l":"0018-9294","issn":["0018-9294","1558-2531"],"is_oa":false,"is_in_doaj":false,"is_indexed_in_scopus":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false},{"is_oa":true,"landing_page_url":"https://europepmc.org/articles/pmc3919688","pdf_url":"https://europepmc.org/articles/pmc3919688?pdf=render","source":{"id":"https://openalex.org/S4306400806","display_name":"Europe PMC (PubMed Central)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_indexed_in_scopus":false,"is_core":false,"host_organization":"https://openalex.org/I1303153112","host_organization_name":"European Bioinformatics Institute","host_organization_lineage":["https://openalex.org/I1303153112"],"host_organization_lineage_names":["European Bioinformatics Institute"],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false},{"is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3919688","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_indexed_in_scopus":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":["National Institutes of Health"],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false},{"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/23613020","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_indexed_in_scopus":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":["National Institutes of Health"],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false}],"best_oa_location":{"is_oa":true,"landing_page_url":"https://europepmc.org/articles/pmc3919688","pdf_url":"https://europepmc.org/articles/pmc3919688?pdf=render","source":{"id":"https://openalex.org/S4306400806","display_name":"Europe PMC (PubMed Central)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_indexed_in_scopus":false,"is_core":false,"host_organization":"https://openalex.org/I1303153112","host_organization_name":"European Bioinformatics Institute","host_organization_lineage":["https://openalex.org/I1303153112"],"host_organization_lineage_names":["European Bioinformatics Institute"],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false},"sustainable_development_goals":[],"grants":[],"datasets":[],"versions":[],"referenced_works_count":39,"referenced_works":["https://openalex.org/W1175789168","https://openalex.org/W1523767002","https://openalex.org/W17418856","https://openalex.org/W1964855913","https://openalex.org/W1990517717","https://openalex.org/W1996309984","https://openalex.org/W1999197689","https://openalex.org/W2000778936","https://openalex.org/W2005321445","https://openalex.org/W2015344827","https://openalex.org/W2016444985","https://openalex.org/W2022269431","https://openalex.org/W2058408209","https://openalex.org/W2061927105","https://openalex.org/W2081624156","https://openalex.org/W2082906925","https://openalex.org/W2088709281","https://openalex.org/W2094243598","https://openalex.org/W2101938621","https://openalex.org/W2107317146","https://openalex.org/W2108758096","https://openalex.org/W2116649573","https://openalex.org/W2119364592","https://openalex.org/W2122020906","https://openalex.org/W2124017673","https://openalex.org/W2124606882","https://openalex.org/W2125092459","https://openalex.org/W2139376466","https://openalex.org/W2142363274","https://openalex.org/W2143900991","https://openalex.org/W2151635492","https://openalex.org/W2151969869","https://openalex.org/W2156771765","https://openalex.org/W2159714224","https://openalex.org/W2160045918","https://openalex.org/W2166806817","https://openalex.org/W2171209182","https://openalex.org/W2971002144","https://openalex.org/W4244838597"],"related_works":["https://openalex.org/W2077363526","https://openalex.org/W2047547195","https://openalex.org/W204175656","https://openalex.org/W2034551444","https://openalex.org/W2023416609","https://openalex.org/W2022423190","https://openalex.org/W1993992974","https://openalex.org/W1828158523","https://openalex.org/W1537079663","https://openalex.org/W150043153"],"abstract_inverted_index":{"We":[0,107,163],"present":[1],"novel":[2],"graph-based":[3,74,167],"visualizations":[4,75,168],"of":[5,64,86,92,132,143,169,176,185,193],"self-organizing":[6,17,144,170],"maps":[7,145,171],"for":[8],"unsupervised":[9,37],"functional":[10],"magnetic":[11],"resonance":[12],"imaging":[13],"(fMRI)":[14],"analysis.":[15],"A":[16],"map":[18,35,58],"is":[19,43],"an":[20,117],"artificial":[21],"neural":[22],"network":[23],"model":[24],"that":[25,165],"transforms":[26],"high-dimensional":[27],"data":[28,79,87,181],"into":[29],"a":[30,33,40,123],"low-dimensional":[31],"(often":[32],"2-D)":[34],"using":[36],"learning.":[38],"However,":[39],"postprocessing":[41],"scheme":[42],"necessary":[44],"to":[45,76,111],"correctly":[46],"interpret":[47],"similarity":[48],"between":[49,102],"neighboring":[50],"node":[51],"prototypes":[52,94,104],"(feature":[53],"vectors)":[54],"on":[55],"the":[56,67,84,89,93,103,130,133,166,183,191],"output":[57],"and":[59,62,97,127,150,158],"delineate":[60],"clusters":[61],"features":[63,80],"interest":[65],"in":[66,116,136,156,173,179,190],"data.":[68],"In":[69],"this":[70,109],"paper,":[71],"we":[72,128],"used":[73],"capture":[77],"fMRI":[78,118,134,180],"based":[81],"upon":[82],"1)":[83],"distribution":[85],"across":[88],"receptive":[90],"fields":[91],"(density-based":[95],"connectivity);":[96],"2)":[98],"temporal":[99],"similarities":[100],"(correlations)":[101],"(correlation-based":[105],"connectivity).":[106],"applied":[108],"approach":[110],"identify":[112],"task-related":[113],"brain":[114,161,195],"areas":[115,138],"reaction":[119,140],"time":[120],"experiment":[121],"involving":[122],"visuo-manual":[124],"response":[125],"task,":[126],"correlated":[129],"time-to-peak":[131],"responses":[135],"these":[137],"with":[139,187],"time.":[141],"Visualization":[142],"outperformed":[146],"independent":[147],"component":[148],"analysis":[149,155],"voxelwise":[151],"univariate":[152],"linear":[153],"regression":[154],"identifying":[157],"classifying":[159],"relevant":[160],"regions.":[162],"conclude":[164],"help":[172],"advanced":[174],"visualization":[175],"cluster":[177],"boundaries":[178],"enabling":[182],"separation":[184],"regions":[186],"small":[188],"differences":[189],"timings":[192],"their":[194],"responses.":[196]},"abstract_inverted_index_v3":null,"cited_by_api_url":"https://api.openalex.org/works?filter=cites:W1991458215","counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":2},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":4},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2025-03-21T01:26:11.219625","created_date":"2016-06-24"}