{"id":"https://openalex.org/W1991119454","doi":"https://doi.org/10.1109/embc.2012.6346114","title":"Nonlinear analysis of the change points between A and B phases during the Cyclic Alternating Pattern under normal sleep","display_name":"Nonlinear analysis of the change points between A and B phases during the Cyclic Alternating Pattern under normal sleep","publication_year":2012,"publication_date":"2012-08-01","ids":{"openalex":"https://openalex.org/W1991119454","doi":"https://doi.org/10.1109/embc.2012.6346114","mag":"1991119454","pmid":"https://pubmed.ncbi.nlm.nih.gov/23366075"},"language":"en","primary_location":{"id":"doi:10.1109/embc.2012.6346114","is_oa":false,"landing_page_url":"https://doi.org/10.1109/embc.2012.6346114","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 Annual International Conference of the IEEE Engineering in Medicine and Biology Society","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/A5078023454","display_name":"Ioanna Chouvarda","orcid":"https://orcid.org/0000-0001-8915-6658"},"institutions":[{"id":"https://openalex.org/I21370196","display_name":"Aristotle University of Thessaloniki","ror":"https://ror.org/02j61yw88","country_code":"GR","type":"education","lineage":["https://openalex.org/I21370196"]}],"countries":["GR"],"is_corresponding":true,"raw_author_name":"I. Chouvarda","raw_affiliation_strings":["Laboratory of Medical Informatics, Aristotle University of Thessaloniki, Thessaloniki, Greece. ioannach@auth.gr","Lab of Medical Informatics, Aristotle University of Thessaloniki, Greece"],"affiliations":[{"raw_affiliation_string":"Laboratory of Medical Informatics, Aristotle University of Thessaloniki, Thessaloniki, Greece. ioannach@auth.gr","institution_ids":["https://openalex.org/I21370196"]},{"raw_affiliation_string":"Lab of Medical Informatics, Aristotle University of Thessaloniki, Greece","institution_ids":["https://openalex.org/I21370196"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101523586","display_name":"Mart\u00edn O. M\u00e9ndez","orcid":"https://orcid.org/0000-0003-3925-6073"},"institutions":[{"id":"https://openalex.org/I196664497","display_name":"Autonomous University of San Luis Potos\u00ed","ror":"https://ror.org/000917t60","country_code":"MX","type":"education","lineage":["https://openalex.org/I196664497"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"M. Mendez","raw_affiliation_strings":["Universidad Autonoma de San Luis Potosi, San Luis Potosi, San Luis Potosi, MX","Facultad de Ciencias, Diagonal Sur S/N, Zona Universitaria, San Luis Potosi, S.L.P., Mexico"],"affiliations":[{"raw_affiliation_string":"Universidad Autonoma de San Luis Potosi, San Luis Potosi, San Luis Potosi, MX","institution_ids":["https://openalex.org/I196664497"]},{"raw_affiliation_string":"Facultad de Ciencias, Diagonal Sur S/N, Zona Universitaria, San Luis Potosi, S.L.P., Mexico","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012428612","display_name":"Alfonso Alba","orcid":"https://orcid.org/0000-0002-1148-0383"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"A. Alba","raw_affiliation_strings":["Facultad de Ciencias, Diagonal Sur S/N, Zona Universitaria, San Luis Potosi, S.L.P., Mexico"],"affiliations":[{"raw_affiliation_string":"Facultad de Ciencias, Diagonal Sur S/N, Zona Universitaria, San Luis Potosi, S.L.P., Mexico","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073440301","display_name":"Anna Maria Bianchi","orcid":"https://orcid.org/0000-0002-8290-7460"},"institutions":[{"id":"https://openalex.org/I93860229","display_name":"Politecnico di Milano","ror":"https://ror.org/01nffqt88","country_code":"IT","type":"education","lineage":["https://openalex.org/I93860229"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"A. M. Bianchi","raw_affiliation_strings":["Biomedical Engineering Department, Politecnico di Milano, Italy"],"affiliations":[{"raw_affiliation_string":"Biomedical Engineering Department, Politecnico di Milano, Italy","institution_ids":["https://openalex.org/I93860229"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036885059","display_name":"Andrea Grassi","orcid":"https://orcid.org/0000-0003-4638-9069"},"institutions":[{"id":"https://openalex.org/I124601658","display_name":"University of Parma","ror":"https://ror.org/02k7wn190","country_code":"IT","type":"education","lineage":["https://openalex.org/I124601658"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"A. Grassi","raw_affiliation_strings":["Sleep Disorders Centre, University of Parma, Parma, Italy","Sleep Disorders Centre, Department of Neurology, University of Parma, Italy"],"affiliations":[{"raw_affiliation_string":"Sleep Disorders Centre, University of Parma, Parma, Italy","institution_ids":["https://openalex.org/I124601658"]},{"raw_affiliation_string":"Sleep Disorders Centre, Department of Neurology, University of Parma, Italy","institution_ids":["https://openalex.org/I124601658"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101605138","display_name":"Edgar R. Arce-Santana","orcid":"https://orcid.org/0000-0001-5361-3976"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"E. Arce-Santana","raw_affiliation_strings":["Facultad de Ciencias, Diagonal Sur S/N, Zona Universitaria, San Luis Potosi, S.L.P., Mexico"],"affiliations":[{"raw_affiliation_string":"Facultad de Ciencias, Diagonal Sur S/N, Zona Universitaria, San Luis Potosi, S.L.P., Mexico","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063861836","display_name":"Valentina Rosso","orcid":"https://orcid.org/0000-0002-6061-5272"},"institutions":[{"id":"https://openalex.org/I124601658","display_name":"University of Parma","ror":"https://ror.org/02k7wn190","country_code":"IT","type":"education","lineage":["https://openalex.org/I124601658"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"V. Rosso","raw_affiliation_strings":["Sleep Disorders Centre, University of Parma, Parma, Italy","Sleep Disorders Centre, Department of Neurology, University of Parma, Italy"],"affiliations":[{"raw_affiliation_string":"Sleep Disorders Centre, University of Parma, Parma, Italy","institution_ids":["https://openalex.org/I124601658"]},{"raw_affiliation_string":"Sleep Disorders Centre, Department of Neurology, University of Parma, Italy","institution_ids":["https://openalex.org/I124601658"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111880536","display_name":"M. G. Terzano","orcid":null},"institutions":[{"id":"https://openalex.org/I124601658","display_name":"University of Parma","ror":"https://ror.org/02k7wn190","country_code":"IT","type":"education","lineage":["https://openalex.org/I124601658"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"M. G. Terzano","raw_affiliation_strings":["Sleep Disorders Centre, Department of Neurology, University of Parma, Italy"],"affiliations":[{"raw_affiliation_string":"Sleep Disorders Centre, Department of Neurology, University of Parma, Italy","institution_ids":["https://openalex.org/I124601658"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5064970802","display_name":"Liborio Parrino","orcid":"https://orcid.org/0000-0002-4035-6234"},"institutions":[{"id":"https://openalex.org/I124601658","display_name":"University of Parma","ror":"https://ror.org/02k7wn190","country_code":"IT","type":"education","lineage":["https://openalex.org/I124601658"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"L. Parrino","raw_affiliation_strings":["Sleep Disorders Centre, University of Parma, Parma, Italy","Sleep Disorders Centre, Department of Neurology, University of Parma, Italy"],"affiliations":[{"raw_affiliation_string":"Sleep Disorders Centre, University of Parma, Parma, Italy","institution_ids":["https://openalex.org/I124601658"]},{"raw_affiliation_string":"Sleep Disorders Centre, Department of Neurology, University of Parma, Italy","institution_ids":["https://openalex.org/I124601658"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":9,"corresponding_author_ids":["https://openalex.org/A5078023454"],"corresponding_institution_ids":["https://openalex.org/I21370196"],"apc_list":null,"apc_paid":null,"fwci":0.3157,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.56476472,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"2012","issue":null,"first_page":"1049","last_page":"1052"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10429","display_name":"EEG and Brain-Computer Interfaces","score":0.9991000294685364,"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":0.9991000294685364,"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/T11447","display_name":"Blind Source Separation Techniques","score":0.995199978351593,"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/T10581","display_name":"Neural dynamics and brain function","score":0.9878000020980835,"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/offset","display_name":"Offset (computer science)","score":0.7494335174560547},{"id":"https://openalex.org/keywords/sample-entropy","display_name":"Sample entropy","score":0.7143646478652954},{"id":"https://openalex.org/keywords/electroencephalography","display_name":"Electroencephalography","score":0.617655873298645},{"id":"https://openalex.org/keywords/nonlinear-system","display_name":"Nonlinear system","score":0.5871656537055969},{"id":"https://openalex.org/keywords/entropy","display_name":"Entropy (arrow of time)","score":0.49804115295410156},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.46862342953681946},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4589982032775879},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4279884696006775},{"id":"https://openalex.org/keywords/sleep","display_name":"Sleep (system call)","score":0.4223478138446808},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.3664321005344391},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.35103946924209595},{"id":"https://openalex.org/keywords/audiology","display_name":"Audiology","score":0.34681910276412964},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.3449283540248871},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.23219946026802063},{"id":"https://openalex.org/keywords/neuroscience","display_name":"Neuroscience","score":0.23188385367393494},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.14888235926628113}],"concepts":[{"id":"https://openalex.org/C175291020","wikidata":"https://www.wikidata.org/wiki/Q1156822","display_name":"Offset (computer science)","level":2,"score":0.7494335174560547},{"id":"https://openalex.org/C66696666","wikidata":"https://www.wikidata.org/wiki/Q17105612","display_name":"Sample entropy","level":3,"score":0.7143646478652954},{"id":"https://openalex.org/C522805319","wikidata":"https://www.wikidata.org/wiki/Q179965","display_name":"Electroencephalography","level":2,"score":0.617655873298645},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.5871656537055969},{"id":"https://openalex.org/C106301342","wikidata":"https://www.wikidata.org/wiki/Q4117933","display_name":"Entropy (arrow of time)","level":2,"score":0.49804115295410156},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.46862342953681946},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4589982032775879},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4279884696006775},{"id":"https://openalex.org/C2775841894","wikidata":"https://www.wikidata.org/wiki/Q4683692","display_name":"Sleep (system call)","level":2,"score":0.4223478138446808},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.3664321005344391},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.35103946924209595},{"id":"https://openalex.org/C548259974","wikidata":"https://www.wikidata.org/wiki/Q569965","display_name":"Audiology","level":1,"score":0.34681910276412964},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.3449283540248871},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.23219946026802063},{"id":"https://openalex.org/C169760540","wikidata":"https://www.wikidata.org/wiki/Q207011","display_name":"Neuroscience","level":1,"score":0.23188385367393494},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.14888235926628113},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","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},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004569","descriptor_name":"Electroencephalography","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D004569","descriptor_name":"Electroencephalography","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D004569","descriptor_name":"Electroencephalography","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D004569","descriptor_name":"Electroencephalography","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D004569","descriptor_name":"Electroencephalography","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D004569","descriptor_name":"Electroencephalography","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D012894","descriptor_name":"Sleep Stages","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D012894","descriptor_name":"Sleep Stages","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D012894","descriptor_name":"Sleep Stages","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1109/embc.2012.6346114","is_oa":false,"landing_page_url":"https://doi.org/10.1109/embc.2012.6346114","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 Annual International Conference of the IEEE Engineering in Medicine and Biology Society","raw_type":"proceedings-article"},{"id":"pmid:23366075","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/23366075","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":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W2038569871","https://openalex.org/W2046603088","https://openalex.org/W2053035979","https://openalex.org/W2062949433","https://openalex.org/W2074677039","https://openalex.org/W2117296910","https://openalex.org/W2158473682","https://openalex.org/W6662232905"],"related_works":["https://openalex.org/W2006708776","https://openalex.org/W3088843374","https://openalex.org/W2076258781","https://openalex.org/W2050076996","https://openalex.org/W229760109","https://openalex.org/W2093589470","https://openalex.org/W2889925888","https://openalex.org/W2415751681","https://openalex.org/W2922348724","https://openalex.org/W2022287597"],"abstract_inverted_index":{"This":[0],"study":[1],"analyzes":[2],"the":[3,7,13,17,38,48,68,72,75,80,97,110,117,122,129,134],"nonlinear":[4],"properties":[5,70],"of":[6,12,32,71,79,112,121,128],"EEG":[8,86],"at":[9,74],"transition":[10],"points":[11],"sequences":[14,31],"that":[15,85],"build":[16],"Cyclic":[18],"Alternating":[19],"Pattern":[20],"(CAP).":[21],"CAP":[22],"is":[23],"a":[24],"sleep":[25,39,42],"phenomenon":[26],"built":[27],"up":[28],"by":[29,51,132],"consecutive":[30],"activations":[33,93],"and":[34,58,77,94,100,119],"non-activations":[35,95],"observed":[36],"during":[37],"time.":[40],"The":[41,82],"condition":[43],"can":[44],"be":[45,107],"evaluated":[46],"from":[47,56],"patterns":[49],"formed":[50],"these":[52],"sequences.":[53],"Eleven":[54],"recordings":[55],"healthy":[57],"good":[59],"sleepers":[60],"were":[61],"included":[62],"in":[63,96,109],"this":[64],"study.":[65],"We":[66],"investigated":[67],"complexity":[69],"signal":[73],"onset":[76,118],"offset":[78,120],"activations.":[81],"results":[83],"show":[84],"signals":[87],"present":[88],"significant":[89,126],"differences":[90],"(p&#60;0.05)":[91],"between":[92],"Sample":[98],"Entropy":[99,102],"Tsallis":[101],"indices.":[103],"These":[104],"indices":[105],"could":[106],"useful":[108],"development":[111],"automatic":[113],"methods":[114],"for":[115],"detecting":[116],"activations,":[123],"leading":[124],"to":[125],"savings":[127],"physician's":[130],"time":[131],"simplifying":[133],"manual":[135],"inspection":[136],"task.":[137]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":2}],"updated_date":"2026-01-13T01:12:25.745995","created_date":"2025-10-10T00:00:00"}
