{"id":"https://openalex.org/W2075359374","doi":"https://doi.org/10.1016/j.physbeh.2003.09.002","title":"The relative playfulness of juvenile Lewis and Fischer-344 rats","display_name":"The relative playfulness of juvenile Lewis and Fischer-344 rats","publication_year":2003,"publication_date":"2003-11-01","ids":{"openalex":"https://openalex.org/W2075359374","doi":"https://doi.org/10.1016/j.physbeh.2003.09.002","mag":"2075359374","pmid":"https://pubmed.ncbi.nlm.nih.gov/14637239"},"language":"en","primary_location":{"id":"doi:10.1016/j.physbeh.2003.09.002","doi":"https://doi.org/10.1016/j.physbeh.2003.09.002","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.physbeh.2003.09.002","pdf_url":null,"source":{"id":"https://openalex.org/S167407068","display_name":"Physiology & Behavior","issn_l":"0031-9384","issn":["0031-9384","1873-507X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-c","erih-plus","jufo-1","ki-jl-1","medline","norway-2","poland-70","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Physiology &amp; Behavior","raw_type":"journal-article"},"volume":null,"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/A5005991885","display_name":"Stephen M. Siviy","orcid":"https://orcid.org/0000-0001-5651-8368","observed_orcids":["https://orcid.org/0000-0001-5651-8368"]},"institutions":[{"id":"https://openalex.org/I176113532","display_name":"Gettysburg College","ror":"https://ror.org/045e26x92","country_code":"US","type":"education","lineage":["https://openalex.org/I176113532"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Stephen M Siviy","raw_affiliation_strings":["Department of Psychology, Gettysburg College, Gettysburg, PA 17325, USA. ssiviy@gettysburg.edu","\u00a7 Department of Psychology, Gettysburg College, Gettysburg, PA 17325, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Psychology, Gettysburg College, Gettysburg, PA 17325, USA. ssiviy@gettysburg.edu","institution_ids":["https://openalex.org/I176113532"]},{"raw_affiliation_string":"\u00a7 Department of Psychology, Gettysburg College, Gettysburg, PA 17325, USA","institution_ids":["https://openalex.org/I176113532"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053544632","display_name":"Nicole J Love","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I176113532","display_name":"Gettysburg College","ror":"https://ror.org/045e26x92","country_code":"US","type":"education","lineage":["https://openalex.org/I176113532"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Nicole J Love","raw_affiliation_strings":["Department of Psychology, Gettysburg College, Gettysburg, PA 17325, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Psychology, Gettysburg College, Gettysburg, PA 17325, USA","institution_ids":["https://openalex.org/I176113532"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019783334","display_name":"Brian M DeCicco","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I176113532","display_name":"Gettysburg College","ror":"https://ror.org/045e26x92","country_code":"US","type":"education","lineage":["https://openalex.org/I176113532"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Brian M DeCicco","raw_affiliation_strings":["Department of Psychology, Gettysburg College, Gettysburg, PA 17325, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Psychology, Gettysburg College, Gettysburg, PA 17325, USA","institution_ids":["https://openalex.org/I176113532"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112007938","display_name":"Sara Barnato Giordano","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I176113532","display_name":"Gettysburg College","ror":"https://ror.org/045e26x92","country_code":"US","type":"education","lineage":["https://openalex.org/I176113532"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Sara B Giordano","raw_affiliation_strings":["Department of Psychology, Gettysburg College, Gettysburg, PA 17325, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Psychology, Gettysburg College, Gettysburg, PA 17325, USA","institution_ids":["https://openalex.org/I176113532"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5017157020","display_name":"Tara L Seifert","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I176113532","display_name":"Gettysburg College","ror":"https://ror.org/045e26x92","country_code":"US","type":"education","lineage":["https://openalex.org/I176113532"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Tara L Seifert","raw_affiliation_strings":["Department of Psychology, Gettysburg College, Gettysburg, PA 17325, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Psychology, Gettysburg College, Gettysburg, PA 17325, USA","institution_ids":["https://openalex.org/I176113532"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5005991885"],"corresponding_institution_ids":["https://openalex.org/I176113532"],"apc_list":{"value":3500,"currency":"USD","value_usd":3500},"apc_paid":null,"fwci":3.2438,"has_fulltext":false,"cited_by_count":78,"citation_normalized_percentile":{"value":0.91596749,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"80","issue":"2-3","first_page":"385","last_page":"394"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11541","display_name":"Neuroendocrine regulation and behavior","score":0.7064999938011169,"subfield":{"id":"https://openalex.org/subfields/3207","display_name":"Social Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T11541","display_name":"Neuroendocrine regulation and behavior","score":0.7064999938011169,"subfield":{"id":"https://openalex.org/subfields/3207","display_name":"Social Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10174","display_name":"Animal Behavior and Reproduction","score":0.09369999915361404,"subfield":{"id":"https://openalex.org/subfields/1105","display_name":"Ecology, Evolution, Behavior and Systematics"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10699","display_name":"Primate Behavior and Ecology","score":0.05950000137090683,"subfield":{"id":"https://openalex.org/subfields/3207","display_name":"Social Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/play-behavior","display_name":"play behavior","score":0.8320000171661377},{"id":"https://openalex.org/keywords/rough-and-tumble-play","display_name":"rough-and-tumble play","score":0.8949999809265137},{"id":"https://openalex.org/keywords/lewis-rats","display_name":"Lewis rats","score":0.7300000190734863},{"id":"https://openalex.org/keywords/fischer-344-rats","display_name":"F344 rats","score":0.9559999704360962},{"id":"https://openalex.org/keywords/strain-differences","display_name":"strain differences","score":0.8349999785423279},{"id":"https://openalex.org/keywords/social-isolation","display_name":"social isolation","score":0.9929999709129333},{"id":"https://openalex.org/keywords/behavioral-genetics","display_name":"behavioral genetics","score":0.6449999809265137},{"id":"https://openalex.org/keywords/social-behavior","display_name":"social behavior","score":0.4729999899864197},{"id":"https://openalex.org/keywords/inbred-rat-strains","display_name":"inbred rat strains","score":0.5440000295639038}],"concepts":[{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.6823035478591919},{"id":"https://openalex.org/C2776893239","wikidata":"https://www.wikidata.org/wiki/Q1778765","display_name":"Social isolation","level":2,"score":0.5623090863227844},{"id":"https://openalex.org/C115961737","wikidata":"https://www.wikidata.org/wiki/Q1516282","display_name":"Juvenile","level":2,"score":0.5494316816329956},{"id":"https://openalex.org/C106934330","wikidata":"https://www.wikidata.org/wiki/Q1971873","display_name":"Trait","level":2,"score":0.5242564678192139},{"id":"https://openalex.org/C2778022156","wikidata":"https://www.wikidata.org/wiki/Q576145","display_name":"Strain (injury)","level":2,"score":0.4629567265510559},{"id":"https://openalex.org/C138496976","wikidata":"https://www.wikidata.org/wiki/Q175002","display_name":"Developmental psychology","level":1,"score":0.43946635723114014},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.17059379816055298},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.14386165142059326},{"id":"https://openalex.org/C105702510","wikidata":"https://www.wikidata.org/wiki/Q514","display_name":"Anatomy","level":1,"score":0.1315954029560089},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.0},{"id":"https://openalex.org/C542102704","wikidata":"https://www.wikidata.org/wiki/Q183257","display_name":"Psychotherapist","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000375","descriptor_name":"Aging","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000818","descriptor_name":"Animals","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000831","descriptor_name":"Animals, Newborn","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001522","descriptor_name":"Behavior, Animal","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":true},{"descriptor_ui":"D005260","descriptor_name":"Female","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":"D008425","descriptor_name":"Maternal Behavior","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D009043","descriptor_name":"Motor Activity","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011247","descriptor_name":"Pregnancy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011336","descriptor_name":"Probability","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011916","descriptor_name":"Rats, Inbred F344","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011917","descriptor_name":"Rats, Inbred Lew","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012641","descriptor_name":"Selection, Genetic","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013045","descriptor_name":"Species Specificity","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D014644","descriptor_name":"Genetic Variation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D017207","descriptor_name":"Rats, Sprague-Dawley","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D051381","descriptor_name":"Rats","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1016/j.physbeh.2003.09.002","doi":"https://doi.org/10.1016/j.physbeh.2003.09.002","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.physbeh.2003.09.002","pdf_url":null,"source":{"id":"https://openalex.org/S167407068","display_name":"Physiology & Behavior","issn_l":"0031-9384","issn":["0031-9384","1873-507X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-c","erih-plus","jufo-1","ki-jl-1","medline","norway-2","poland-70","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Physiology &amp; Behavior","raw_type":"journal-article"},{"id":"pmid:14637239","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/14637239","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,"listed_in":[],"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":"Physiology & behavior","raw_type":"Comparative Study"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":55,"referenced_works":["https://openalex.org/W15667067","https://openalex.org/W164603943","https://openalex.org/W166206015","https://openalex.org/W1017492292","https://openalex.org/W1503181416","https://openalex.org/W1556074533","https://openalex.org/W1565304386","https://openalex.org/W1569599783","https://openalex.org/W1637238725","https://openalex.org/W1849553904","https://openalex.org/W1952968669","https://openalex.org/W1966116385","https://openalex.org/W1969222626","https://openalex.org/W1982272489","https://openalex.org/W1982604070","https://openalex.org/W1992729911","https://openalex.org/W1997852485","https://openalex.org/W2000097924","https://openalex.org/W2001757738","https://openalex.org/W2002616834","https://openalex.org/W2003231994","https://openalex.org/W2004120547","https://openalex.org/W2008239841","https://openalex.org/W2008456316","https://openalex.org/W2009978910","https://openalex.org/W2010497098","https://openalex.org/W2013250621","https://openalex.org/W2020562528","https://openalex.org/W2021486758","https://openalex.org/W2023891230","https://openalex.org/W2040321695","https://openalex.org/W2046994595","https://openalex.org/W2049264784","https://openalex.org/W2053043337","https://openalex.org/W2053134489","https://openalex.org/W2054128662","https://openalex.org/W2057642040","https://openalex.org/W2058997442","https://openalex.org/W2062981179","https://openalex.org/W2081194315","https://openalex.org/W2089830000","https://openalex.org/W2090309375","https://openalex.org/W2091514232","https://openalex.org/W2091936159","https://openalex.org/W2094831350","https://openalex.org/W2097249485","https://openalex.org/W2126858369","https://openalex.org/W2149636831","https://openalex.org/W2154009613","https://openalex.org/W2291228872","https://openalex.org/W2726717140","https://openalex.org/W3087539079","https://openalex.org/W4235393875","https://openalex.org/W4244841344","https://openalex.org/W4253622015"],"related_works":["https://openalex.org/W1966116385","https://openalex.org/W3006206774","https://openalex.org/W2560786081","https://openalex.org/W4404413080","https://openalex.org/W4386204405","https://openalex.org/W4413922789","https://openalex.org/W2792933718","https://openalex.org/W3006495386","https://openalex.org/W2026717158","https://openalex.org/W2810632041"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":6},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":10},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":6}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}
