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Soc. open sci."],"published-print":{"date-parts":[[2023,2]]},"abstract":"<jats:p>Self-care behaviours are actions that help maintain good health and surroundings. For example, appropriate toileting, sleeping in the bed, and bathing and washing are among self-care behaviours in humans. Animals also perform similar self-care behaviours such as latrine, nesting and self-grooming. Studies have shown that chronic stress disrupts nesting and self-grooming behaviours. However, the effect of chronic stress on latrine behaviour, preferential, repeated defecation at specific locations, has not yet been clarified. This study aimed to investigate the influence of chronic corticosterone administration on latrine and nesting behaviours in mice. The variation in defecation location was quantified as the degree of the latrine behaviour by using Shannon entropy. The nest quality was scored based on shape. The study showed that mice exposed to chronic corticosterone had scattered defecation sites and lower nest quality compared to the control group. Furthermore, results showed that more scattered defecation behaviour was associated with lower nest quality at an individual level. Additionally, the deterioration of these self-care behaviours was associated with depression-like behaviours such as less open field activity and increased immobility time during the tail suspension test. These results suggest that chronic corticosterone deteriorates self-care behaviours such as latrine and nesting in mice.<\/jats:p>","DOI":"10.1098\/rsos.220718","type":"journal-article","created":{"date-parts":[[2023,2,1]],"date-time":"2023-02-01T03:11:52Z","timestamp":1675221112000},"update-policy":"https:\/\/doi.org\/10.1098\/crossmark-policy","source":"Crossref","is-referenced-by-count":8,"title":["Chronic corticosterone deteriorates latrine and nesting behaviours in mice"],"prefix":"10.1098","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2953-4594","authenticated-orcid":true,"given":"Kensaku","family":"Nomoto","sequence":"first","affiliation":[{"name":"Department of Physiology, Dokkyo Medical University School of Medicine, Mibu 321-0293, Tochigi, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2037-3192","authenticated-orcid":true,"given":"Kenji","family":"Kansaku","sequence":"additional","affiliation":[{"name":"Department of Physiology, Dokkyo Medical University School of Medicine, Mibu 321-0293, Tochigi, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"175","published-online":{"date-parts":[[2023,2]]},"reference":[{"key":"e_1_3_6_2_2","doi-asserted-by":"publisher","DOI":"10.1097\/ANS.0b013e318261b1ba"},{"key":"e_1_3_6_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jneumeth.2014.02.001"},{"key":"e_1_3_6_4_2","doi-asserted-by":"publisher","DOI":"10.1177\/089431840101400113"},{"key":"e_1_3_6_5_2","first-page":"255","article-title":"Delineation of self-care and associated concepts","volume":"43","author":"Richard AA","year":"2011","unstructured":"Richard AA, Shea K. 2011 Delineation of self-care and associated concepts. 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