{"id":"https://openalex.org/W2789859202","doi":"https://doi.org/10.3390/e20030148","title":"Application of Permutation Entropy and Permutation Min-Entropy in Multiple Emotional States Analysis of RRI Time Series","display_name":"Application of Permutation Entropy and Permutation Min-Entropy in Multiple Emotional States Analysis of RRI Time Series","publication_year":2018,"publication_date":"2018-02-26","ids":{"openalex":"https://openalex.org/W2789859202","doi":"https://doi.org/10.3390/e20030148","mag":"2789859202","pmid":"https://pubmed.ncbi.nlm.nih.gov/33265239"},"language":"en","primary_location":{"id":"doi:10.3390/e20030148","is_oa":true,"landing_page_url":"https://doi.org/10.3390/e20030148","pdf_url":"https://www.mdpi.com/1099-4300/20/3/148/pdf?version=1519625929","source":{"id":"https://openalex.org/S195231649","display_name":"Entropy","issn_l":"1099-4300","issn":["1099-4300"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Entropy","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1099-4300/20/3/148/pdf?version=1519625929","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5073345865","display_name":"Yirong Xia","orcid":null},"institutions":[{"id":"https://openalex.org/I154099455","display_name":"Shandong University","ror":"https://ror.org/0207yh398","country_code":"CN","type":"education","lineage":["https://openalex.org/I154099455"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yirong Xia","raw_affiliation_strings":["School of Control Science and Engineering, Shandong University, Jinan, 250061, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Control Science and Engineering, Shandong University, Jinan, 250061, China","institution_ids":["https://openalex.org/I154099455"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008520019","display_name":"Licai Yang","orcid":"https://orcid.org/0000-0002-2494-6621"},"institutions":[{"id":"https://openalex.org/I154099455","display_name":"Shandong University","ror":"https://ror.org/0207yh398","country_code":"CN","type":"education","lineage":["https://openalex.org/I154099455"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Licai Yang","raw_affiliation_strings":["School of Control Science and Engineering, Shandong University, Jinan, 250061, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Control Science and Engineering, Shandong University, Jinan, 250061, China","institution_ids":["https://openalex.org/I154099455"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017091951","display_name":"Luciano Zunino","orcid":"https://orcid.org/0000-0002-2852-3263"},"institutions":[{"id":"https://openalex.org/I151201029","display_name":"Consejo Nacional de Investigaciones Cient\u00edficas y T\u00e9cnicas","ror":"https://ror.org/03cqe8w59","country_code":"AR","type":"government","lineage":["https://openalex.org/I151201029","https://openalex.org/I4210123736","https://openalex.org/I4387155568"]},{"id":"https://openalex.org/I4210152408","display_name":"Centro de Investigaciones Cardiovasculares","ror":"https://ror.org/04ebzxq58","country_code":"AR","type":"facility","lineage":["https://openalex.org/I151201029","https://openalex.org/I4210123736","https://openalex.org/I4210138160","https://openalex.org/I4210152408","https://openalex.org/I4387155568","https://openalex.org/I874386039"]},{"id":"https://openalex.org/I874386039","display_name":"Universidad Nacional de La Plata","ror":"https://ror.org/01tjs6929","country_code":"AR","type":"education","lineage":["https://openalex.org/I874386039"]}],"countries":["AR"],"is_corresponding":false,"raw_author_name":"Luciano Zunino","raw_affiliation_strings":["Centro de Investigaciones \u00d3pticas (CONICET La Plata\u2014CIC), C.C. 3, 1897 Gonnet, Argentina","Departamento de Ciencias B\u00e1sicas, Facultad de Ingenier\u00eda, Universidad Nacional de La Plata (UNLP), 1900 La Plata, Argentina"],"raw_orcid":"https://orcid.org/0000-0002-2852-3263","affiliations":[{"raw_affiliation_string":"Centro de Investigaciones \u00d3pticas (CONICET La Plata\u2014CIC), C.C. 3, 1897 Gonnet, Argentina","institution_ids":["https://openalex.org/I4210152408","https://openalex.org/I151201029"]},{"raw_affiliation_string":"Departamento de Ciencias B\u00e1sicas, Facultad de Ingenier\u00eda, Universidad Nacional de La Plata (UNLP), 1900 La Plata, Argentina","institution_ids":["https://openalex.org/I874386039"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071529395","display_name":"Hongyu Shi","orcid":"https://orcid.org/0000-0002-0137-4421"},"institutions":[{"id":"https://openalex.org/I154099455","display_name":"Shandong University","ror":"https://ror.org/0207yh398","country_code":"CN","type":"education","lineage":["https://openalex.org/I154099455"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hongyu Shi","raw_affiliation_strings":["School of Control Science and Engineering, Shandong University, Jinan, 250061, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Control Science and Engineering, Shandong University, Jinan, 250061, China","institution_ids":["https://openalex.org/I154099455"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023361960","display_name":"Yuan Zhuang","orcid":"https://orcid.org/0009-0001-6996-4129"},"institutions":[{"id":"https://openalex.org/I154099455","display_name":"Shandong University","ror":"https://ror.org/0207yh398","country_code":"CN","type":"education","lineage":["https://openalex.org/I154099455"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuan Zhuang","raw_affiliation_strings":["School of Control Science and Engineering, Shandong University, Jinan, 250061, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Control Science and Engineering, Shandong University, Jinan, 250061, China","institution_ids":["https://openalex.org/I154099455"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100321186","display_name":"Chengyu Liu","orcid":"https://orcid.org/0000-0003-1965-3020"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Chengyu Liu","raw_affiliation_strings":["School of Instrument Science and Engineering, Southeast University, Nanjing 210018, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Instrument Science and Engineering, Southeast University, Nanjing 210018, China","institution_ids":["https://openalex.org/I76569877"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5008520019","https://openalex.org/A5100321186"],"corresponding_institution_ids":["https://openalex.org/I154099455","https://openalex.org/I76569877"],"apc_list":{"value":2000,"currency":"CHF","value_usd":2165},"apc_paid":{"value":2000,"currency":"CHF","value_usd":2165},"fwci":3.4854,"has_fulltext":true,"cited_by_count":30,"citation_normalized_percentile":{"value":0.93502129,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"20","issue":"3","first_page":"148","last_page":"148"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10745","display_name":"Heart Rate Variability and Autonomic Control","score":0.9968000054359436,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"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/T10745","display_name":"Heart Rate Variability and Autonomic Control","score":0.9968000054359436,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"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/T12205","display_name":"Time Series Analysis and Forecasting","score":0.9664000272750854,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T11270","display_name":"Complex Systems and Time Series Analysis","score":0.9659000039100647,"subfield":{"id":"https://openalex.org/subfields/2002","display_name":"Economics and Econometrics"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/disgust","display_name":"Disgust","score":0.8989681005477905},{"id":"https://openalex.org/keywords/sadness","display_name":"Sadness","score":0.8883726596832275},{"id":"https://openalex.org/keywords/anger","display_name":"Anger","score":0.7880492210388184},{"id":"https://openalex.org/keywords/happiness","display_name":"Happiness","score":0.7493768930435181},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.5141385197639465},{"id":"https://openalex.org/keywords/entropy","display_name":"Entropy (arrow of time)","score":0.4875470995903015},{"id":"https://openalex.org/keywords/permutation","display_name":"Permutation (music)","score":0.45943233370780945},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4381277561187744},{"id":"https://openalex.org/keywords/cognitive-psychology","display_name":"Cognitive psychology","score":0.35092779994010925},{"id":"https://openalex.org/keywords/audiology","display_name":"Audiology","score":0.3254062533378601},{"id":"https://openalex.org/keywords/social-psychology","display_name":"Social psychology","score":0.26591289043426514},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.22710958123207092},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.14892330765724182}],"concepts":[{"id":"https://openalex.org/C2777375102","wikidata":"https://www.wikidata.org/wiki/Q208351","display_name":"Disgust","level":3,"score":0.8989681005477905},{"id":"https://openalex.org/C2779812673","wikidata":"https://www.wikidata.org/wiki/Q169251","display_name":"Sadness","level":3,"score":0.8883726596832275},{"id":"https://openalex.org/C2779302386","wikidata":"https://www.wikidata.org/wiki/Q79871","display_name":"Anger","level":2,"score":0.7880492210388184},{"id":"https://openalex.org/C2778999518","wikidata":"https://www.wikidata.org/wiki/Q8","display_name":"Happiness","level":2,"score":0.7493768930435181},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.5141385197639465},{"id":"https://openalex.org/C106301342","wikidata":"https://www.wikidata.org/wiki/Q4117933","display_name":"Entropy (arrow of time)","level":2,"score":0.4875470995903015},{"id":"https://openalex.org/C21308566","wikidata":"https://www.wikidata.org/wiki/Q7169365","display_name":"Permutation (music)","level":2,"score":0.45943233370780945},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4381277561187744},{"id":"https://openalex.org/C180747234","wikidata":"https://www.wikidata.org/wiki/Q23373","display_name":"Cognitive psychology","level":1,"score":0.35092779994010925},{"id":"https://openalex.org/C548259974","wikidata":"https://www.wikidata.org/wiki/Q569965","display_name":"Audiology","level":1,"score":0.3254062533378601},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.26591289043426514},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.22710958123207092},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.14892330765724182},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":10,"locations":[{"id":"doi:10.3390/e20030148","is_oa":true,"landing_page_url":"https://doi.org/10.3390/e20030148","pdf_url":"https://www.mdpi.com/1099-4300/20/3/148/pdf?version=1519625929","source":{"id":"https://openalex.org/S195231649","display_name":"Entropy","issn_l":"1099-4300","issn":["1099-4300"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Entropy","raw_type":"journal-article"},{"id":"pmid:33265239","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/33265239","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":"Entropy (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:ri.conicet.gov.ar:11336/88476","is_oa":true,"landing_page_url":"http://hdl.handle.net/11336/88476","pdf_url":null,"source":{"id":"https://openalex.org/S4306402641","display_name":"LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Cient\u00edficas)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4383465926","host_organization_name":"LA Referencia","host_organization_lineage":["https://openalex.org/I4383465926"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"reponame:CONICET Digital (CONICET)","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:americanae.aecid.es:3123501","is_oa":true,"landing_page_url":"http://sedici.unlp.edu.ar/handle/10915/67692","pdf_url":null,"source":{"id":"https://openalex.org/S4306400786","display_name":"Americanae (AECID Library)","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":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"reponame:SEDICI (UNLP)","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:americanae.aecid.es:3011952","is_oa":true,"landing_page_url":"http://americanae.aecid.es/americanae/es/registros/registro.do?tipoRegistro=MTD&idBib=3011952","pdf_url":null,"source":{"id":"https://openalex.org/S4306400786","display_name":"Americanae (AECID Library)","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":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"reponame:CIC Digital (CICBA)","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:digital.cic.gba.gob.ar:11746/7034","is_oa":true,"landing_page_url":"https://digital.cic.gba.gob.ar/handle/11746/7034","pdf_url":null,"source":{"id":"https://openalex.org/S4306402641","display_name":"LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Cient\u00edficas)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4383465926","host_organization_name":"LA Referencia","host_organization_lineage":["https://openalex.org/I4383465926"],"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":"reponame:CIC Digital (CICBA)","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:doaj.org/article:5e23aca1f39148f186f80e4396fe4248","is_oa":true,"landing_page_url":"https://doaj.org/article/5e23aca1f39148f186f80e4396fe4248","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","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":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Entropy, Vol 20, Iss 3, p 148 (2018)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/1099-4300/20/3/148/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/e20030148","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"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":"Entropy; Volume 20; Issue 3; Pages: 148","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:7512665","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/7512665","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_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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Entropy (Basel)","raw_type":"Text"},{"id":"pmh:oai:sedici.unlp.edu.ar:10915/67692","is_oa":true,"landing_page_url":"http://www.mdpi.com/1099-4300/20/3/148/htm","pdf_url":null,"source":{"id":"https://openalex.org/S4306400803","display_name":"El Servicio de Difusi\u00f3n de la Creaci\u00f3n Intelectual (National University of La Plata)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I874386039","host_organization_name":"Universidad Nacional de La Plata","host_organization_lineage":["https://openalex.org/I874386039"],"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":"reponame:SEDICI (UNLP)","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"doi:10.3390/e20030148","is_oa":true,"landing_page_url":"https://doi.org/10.3390/e20030148","pdf_url":"https://www.mdpi.com/1099-4300/20/3/148/pdf?version=1519625929","source":{"id":"https://openalex.org/S195231649","display_name":"Entropy","issn_l":"1099-4300","issn":["1099-4300"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Entropy","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Reduced inequalities","score":0.7400000095367432,"id":"https://metadata.un.org/sdg/10"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321594","display_name":"Consejo Nacional de Investigaciones Cient\u00edficas y T\u00e9cnicas","ror":"https://ror.org/03cqe8w59"},{"id":"https://openalex.org/F4320333596","display_name":"Key Technology Research and Development Program of Shandong","ror":null}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2789859202.pdf","grobid_xml":"https://content.openalex.org/works/W2789859202.grobid-xml"},"referenced_works_count":33,"referenced_works":["https://openalex.org/W1842328245","https://openalex.org/W1965467189","https://openalex.org/W1970352604","https://openalex.org/W1975985014","https://openalex.org/W1988409370","https://openalex.org/W1989978397","https://openalex.org/W1994321481","https://openalex.org/W1994405094","https://openalex.org/W2007805422","https://openalex.org/W2014683958","https://openalex.org/W2058233393","https://openalex.org/W2070850275","https://openalex.org/W2075862631","https://openalex.org/W2078015570","https://openalex.org/W2078671978","https://openalex.org/W2082408140","https://openalex.org/W2085987158","https://openalex.org/W2096970808","https://openalex.org/W2105622546","https://openalex.org/W2149875516","https://openalex.org/W2150150736","https://openalex.org/W2162273778","https://openalex.org/W2164249944","https://openalex.org/W2339614434","https://openalex.org/W2539863713","https://openalex.org/W2562037482","https://openalex.org/W2565394479","https://openalex.org/W2588801152","https://openalex.org/W2604113470","https://openalex.org/W2606471037","https://openalex.org/W2611174197","https://openalex.org/W2650300297","https://openalex.org/W2751692452"],"related_works":["https://openalex.org/W4365519294","https://openalex.org/W2794357331","https://openalex.org/W4238520549","https://openalex.org/W3031187173","https://openalex.org/W3216173459","https://openalex.org/W4242611441","https://openalex.org/W3135436127","https://openalex.org/W2805647211","https://openalex.org/W2100930849","https://openalex.org/W4242034606"],"abstract_inverted_index":{"This":[0],"study's":[1],"aim":[2],"was":[3,72],"to":[4,19],"apply":[5],"permutation":[6,10],"entropy":[7],"(PE)":[8],"and":[9,44,66,83,95],"min-entropy":[11],"(PME)":[12],"over":[13],"an":[14],"RR":[15,68],"interval":[16,69],"time":[17,70],"series":[18,71],"quantify":[20],"the":[21,67,88,109],"changes":[22],"in":[23,46,104],"cardiac":[24],"activity":[25],"among":[26],"multiple":[27],"emotional":[28,37,58,89,110,130],"states.":[29,131],"Electrocardiogram":[30],"(ECG)":[31],"signals":[32],"were":[33,61],"recorded":[34,62],"under":[35],"six":[36],"states":[38,90],"(neutral,":[39],"happiness,":[40,92],"sadness,":[41,93],"anger,":[42,94],"fear,":[43],"disgust)":[45],"60":[47],"healthy":[48],"subjects":[49],"at":[50],"a":[51,105],"rate":[52],"of":[53,91,112],"1000":[54],"Hz.":[55],"For":[56],"each":[57],"state,":[59],"ECGs":[60],"for":[63,108,125],"5":[64],"min":[65],"extracted":[73],"from":[74,128],"these":[75],"ECGs.":[76],"The":[77],"obtained":[78],"results":[79],"confirm":[80],"that":[81,118],"PE":[82,124],"PME":[84,119],"increase":[85,101],"significantly":[86],"during":[87],"disgust.":[96],"Both":[97],"symbolic":[98],"quantifiers":[99],"also":[100],"but":[102],"not":[103],"significant":[106],"way":[107],"state":[111],"fear.":[113],"Moreover,":[114],"it":[115],"is":[116,120],"found":[117],"more":[121],"sensitive":[122],"than":[123],"discriminating":[126],"non-neutral":[127],"neutral":[129]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":7},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":10}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}