{"id":"https://openalex.org/W2790936253","doi":"https://doi.org/10.1109/cisp-bmei.2017.8302215","title":"Characterizing chaotic behavior of REM sleep EEG using Lyapunov exponent","display_name":"Characterizing chaotic behavior of REM sleep EEG using Lyapunov exponent","publication_year":2017,"publication_date":"2017-10-01","ids":{"openalex":"https://openalex.org/W2790936253","doi":"https://doi.org/10.1109/cisp-bmei.2017.8302215","mag":"2790936253"},"language":"en","primary_location":{"id":"doi:10.1109/cisp-bmei.2017.8302215","is_oa":false,"landing_page_url":"https://doi.org/10.1109/cisp-bmei.2017.8302215","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 10th International Congress on Image and Signal Processing, BioMedical Engineering and Informatics (CISP-BMEI)","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/A5024754738","display_name":"Prawesh Dahal","orcid":"https://orcid.org/0000-0001-5694-0171"},"institutions":[{"id":"https://openalex.org/I4401726811","display_name":"Hartford Financial Services (United States)","ror":"https://ror.org/00mwq1g96","country_code":null,"type":"company","lineage":["https://openalex.org/I4401726811"]},{"id":"https://openalex.org/I162281398","display_name":"University of Hartford","ror":"https://ror.org/034gcgd08","country_code":"US","type":"education","lineage":["https://openalex.org/I162281398"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Prawesh Dahal","raw_affiliation_strings":["Department of Engineering, Hartford, USA"],"affiliations":[{"raw_affiliation_string":"Department of Engineering, Hartford, USA","institution_ids":["https://openalex.org/I162281398","https://openalex.org/I4401726811"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029548832","display_name":"Mariam Avagyan","orcid":null},"institutions":[{"id":"https://openalex.org/I4401726811","display_name":"Hartford Financial Services (United States)","ror":"https://ror.org/00mwq1g96","country_code":null,"type":"company","lineage":["https://openalex.org/I4401726811"]},{"id":"https://openalex.org/I162281398","display_name":"University of Hartford","ror":"https://ror.org/034gcgd08","country_code":"US","type":"education","lineage":["https://openalex.org/I162281398"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Mariam Avagyan","raw_affiliation_strings":["Department of Engineering, Hartford, USA"],"affiliations":[{"raw_affiliation_string":"Department of Engineering, Hartford, USA","institution_ids":["https://openalex.org/I162281398","https://openalex.org/I4401726811"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049888293","display_name":"Per Sebastian Skardal","orcid":"https://orcid.org/0000-0001-9955-6874"},"institutions":[{"id":"https://openalex.org/I4401726811","display_name":"Hartford Financial Services (United States)","ror":"https://ror.org/00mwq1g96","country_code":null,"type":"company","lineage":["https://openalex.org/I4401726811"]},{"id":"https://openalex.org/I56722557","display_name":"Trinity College","ror":"https://ror.org/03j3dbz94","country_code":"US","type":"education","lineage":["https://openalex.org/I56722557"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Per Sebastian Skardal","raw_affiliation_strings":["Department of Mathematics, Trinity College, Hartford, USA"],"affiliations":[{"raw_affiliation_string":"Department of Mathematics, Trinity College, Hartford, USA","institution_ids":["https://openalex.org/I56722557","https://openalex.org/I4401726811"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039145971","display_name":"Harry J. Blaise","orcid":null},"institutions":[{"id":"https://openalex.org/I162281398","display_name":"University of Hartford","ror":"https://ror.org/034gcgd08","country_code":"US","type":"education","lineage":["https://openalex.org/I162281398"]},{"id":"https://openalex.org/I4401726811","display_name":"Hartford Financial Services (United States)","ror":"https://ror.org/00mwq1g96","country_code":null,"type":"company","lineage":["https://openalex.org/I4401726811"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Harry J. Blaise","raw_affiliation_strings":["Department of Engineering, Hartford, USA"],"affiliations":[{"raw_affiliation_string":"Department of Engineering, Hartford, USA","institution_ids":["https://openalex.org/I162281398","https://openalex.org/I4401726811"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109047535","display_name":"Taikang Ning","orcid":null},"institutions":[{"id":"https://openalex.org/I4401726811","display_name":"Hartford Financial Services (United States)","ror":"https://ror.org/00mwq1g96","country_code":null,"type":"company","lineage":["https://openalex.org/I4401726811"]},{"id":"https://openalex.org/I162281398","display_name":"University of Hartford","ror":"https://ror.org/034gcgd08","country_code":"US","type":"education","lineage":["https://openalex.org/I162281398"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Taikang Ning","raw_affiliation_strings":["Department of Engineering, Hartford, USA"],"affiliations":[{"raw_affiliation_string":"Department of Engineering, Hartford, USA","institution_ids":["https://openalex.org/I162281398","https://openalex.org/I4401726811"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5024754738"],"corresponding_institution_ids":["https://openalex.org/I162281398","https://openalex.org/I4401726811"],"apc_list":null,"apc_paid":null,"fwci":0.172,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.52059682,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10244","display_name":"Chaos control and synchronization","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10244","display_name":"Chaos control and synchronization","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11513","display_name":"stochastic dynamics and bifurcation","score":0.9965000152587891,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10581","display_name":"Neural dynamics and brain function","score":0.9955000281333923,"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/lyapunov-exponent","display_name":"Lyapunov exponent","score":0.8543521165847778},{"id":"https://openalex.org/keywords/chaotic","display_name":"Chaotic","score":0.6639913320541382},{"id":"https://openalex.org/keywords/electroencephalography","display_name":"Electroencephalography","score":0.6504243612289429},{"id":"https://openalex.org/keywords/sleep","display_name":"Sleep (system call)","score":0.47833892703056335},{"id":"https://openalex.org/keywords/statistical-physics","display_name":"Statistical physics","score":0.4678654670715332},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4652925729751587},{"id":"https://openalex.org/keywords/exponent","display_name":"Exponent","score":0.46194204688072205},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.41787800192832947},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2928500175476074},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.2636207044124603},{"id":"https://openalex.org/keywords/neuroscience","display_name":"Neuroscience","score":0.2035689353942871},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.1737498939037323}],"concepts":[{"id":"https://openalex.org/C191544260","wikidata":"https://www.wikidata.org/wiki/Q1238630","display_name":"Lyapunov exponent","level":3,"score":0.8543521165847778},{"id":"https://openalex.org/C2777052490","wikidata":"https://www.wikidata.org/wiki/Q5072826","display_name":"Chaotic","level":2,"score":0.6639913320541382},{"id":"https://openalex.org/C522805319","wikidata":"https://www.wikidata.org/wiki/Q179965","display_name":"Electroencephalography","level":2,"score":0.6504243612289429},{"id":"https://openalex.org/C2775841894","wikidata":"https://www.wikidata.org/wiki/Q4683692","display_name":"Sleep (system call)","level":2,"score":0.47833892703056335},{"id":"https://openalex.org/C121864883","wikidata":"https://www.wikidata.org/wiki/Q677916","display_name":"Statistical physics","level":1,"score":0.4678654670715332},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4652925729751587},{"id":"https://openalex.org/C2780388253","wikidata":"https://www.wikidata.org/wiki/Q5421508","display_name":"Exponent","level":2,"score":0.46194204688072205},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.41787800192832947},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2928500175476074},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.2636207044124603},{"id":"https://openalex.org/C169760540","wikidata":"https://www.wikidata.org/wiki/Q207011","display_name":"Neuroscience","level":1,"score":0.2035689353942871},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.1737498939037323},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/cisp-bmei.2017.8302215","is_oa":false,"landing_page_url":"https://doi.org/10.1109/cisp-bmei.2017.8302215","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 10th International Congress on Image and Signal Processing, BioMedical Engineering and Informatics (CISP-BMEI)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W142141443","https://openalex.org/W1549386224","https://openalex.org/W1971751480","https://openalex.org/W1972014311","https://openalex.org/W2029401646","https://openalex.org/W2029431600","https://openalex.org/W2042889618","https://openalex.org/W2082149624","https://openalex.org/W2082513448","https://openalex.org/W2106319793","https://openalex.org/W2121437334","https://openalex.org/W2124428761","https://openalex.org/W2139188155","https://openalex.org/W2152254020","https://openalex.org/W2158283611","https://openalex.org/W2162443378","https://openalex.org/W2289818808","https://openalex.org/W2479877058","https://openalex.org/W2538298349","https://openalex.org/W3100610725","https://openalex.org/W6657849466","https://openalex.org/W6678230752","https://openalex.org/W6696471334"],"related_works":["https://openalex.org/W1979229270","https://openalex.org/W2374600121","https://openalex.org/W125502673","https://openalex.org/W2384948345","https://openalex.org/W2027784897","https://openalex.org/W2368364854","https://openalex.org/W2776265842","https://openalex.org/W2361515791","https://openalex.org/W2375956839","https://openalex.org/W2899627504"],"abstract_inverted_index":{"The":[0],"Lyapunov":[1,90,121,138],"exponent":[2],"of":[3,22,56,63,79,83,92,123,128,140],"the":[4,18,49,53,57,60,64,67,72,89,93,119,137],"hippocampal":[5,25,73,94,124],"EEG":[6,21,76,97,127],"was":[7],"calculated":[8],"to":[9,43],"examine":[10],"its":[11],"chaotic":[12,116],"behavior.":[13,117],"In":[14],"particular,":[15],"we":[16],"study":[17],"REM":[19,74,95,125],"sleep":[20,75,96,126],"rats":[23,78,134,146],"from":[24,77,98,132,144],"subfields":[26],"cornu":[27],"ammonis":[28],"(CA1)":[29],"and":[30,59,81,101,107,130,142],"dentate":[31],"gyrus":[32],"(DG)":[33],"that":[34,88],"show":[35,87],"prominent":[36],"theta":[37],"activity.":[38],"Our":[39,85],"main":[40],"goal":[41],"is":[42],"characterize,":[44],"through":[45],"nonlinear":[46],"dynamics":[47],"analysis,":[48],"ontogenetic":[50],"variation":[51],"between":[52],"granule":[54],"cells":[55,62],"DG":[58,102,131,143],"pyramidal":[61],"CA1":[65,100,129,141],"as":[66],"animal":[68],"matures.":[69],"We":[70],"examined":[71],"15-day":[80,106,145],"90-day":[82,108,133],"age.":[84],"results":[86],"exponents":[91,122,139],"both":[99],"are":[103,135,147],"positive":[104],"in":[105],"age":[109],"groups,":[110],"a":[111],"strong":[112],"evidence":[113],"confirming":[114],"their":[115],"While":[118],"estimated":[120],"similar,":[136],"significantly":[148],"different.":[149]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}