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Cortisol coregulation in fish

Ines Fürtbauer, Michael Heistermann, Ines Fuertbauer Orcid Logo

Scientific Reports, Volume: 6, Start page: 30334

Swansea University Author: Ines Fuertbauer Orcid Logo

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DOI (Published version): 10.1038/srep30334

Abstract

Cortisol coregulation, which is the up- or down-regulation of partners’ physiological stress responses, has been described for individuals with strong attachment bonds, e.g. parents and their children, and romantic relationship partners. Research into moderating effects on cortisol coregulation sugg...

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Published in: Scientific Reports
Published: 2016
URI: https://cronfa.swan.ac.uk/Record/cronfa29218
first_indexed 2016-07-26T18:57:25Z
last_indexed 2018-02-09T05:14:09Z
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spelling 2017-08-14T16:10:41.8801090 v2 29218 2016-07-14 Cortisol coregulation in fish f682ec95fa97c4fabb57dc098a9fdaaa 0000-0003-1404-6280 Ines Fuertbauer Ines Fuertbauer true false 2016-07-14 BGPS Cortisol coregulation, which is the up- or down-regulation of partners’ physiological stress responses, has been described for individuals with strong attachment bonds, e.g. parents and their children, and romantic relationship partners. Research into moderating effects on cortisol coregulation suggests stronger covariation among distressed partners. Whether cortisol coregulation is unique to humans or can also be found in other species that share universal features of the vertebrate stress response remains unexplored. Using a repeated measures approach and non-invasive waterborne hormone analysis, we test the hypothesis that dyads of three-spined stickleback fish (Gasterosteus aculeatus) coregulate their cortisol levels in shared environments. Dyadic cortisol levels were unrelated when cohabiting (home tank), but significantly covaried when sharing a more stressful (as indicated by higher cortisol levels) environment (open field). Time-lag analysis further revealed that open field cortisol levels were predicted by partner’s cortisol levels prior to the shared experience. To our knowledge, this study provides the first evidence for coregulatory processes on cortisol responses in a non-human animal that lacks strong bonds and social attachment relationships, suggesting a shared evolutionary origin of cortisol coregulation in vertebrates. From an adaptive perspective, cortisol coregulation may serve to reduce risk in challenging, potentially threatening situations. Journal Article Scientific Reports 6 30334 31 12 2016 2016-12-31 10.1038/srep30334 COLLEGE NANME Biosciences Geography and Physics School COLLEGE CODE BGPS Swansea University 2017-08-14T16:10:41.8801090 2016-07-14T14:43:51.5835319 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences Ines Fürtbauer 1 Michael Heistermann 2 Ines Fuertbauer 0000-0003-1404-6280 3 0029218-26072016130649.pdf Fürtbauer_and_Heistermann_2016.pdf 2016-07-26T13:06:49.6970000 Output 533772 application/pdf Version of Record true 2016-07-26T00:00:00.0000000 This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/ true
title Cortisol coregulation in fish
spellingShingle Cortisol coregulation in fish
Ines Fuertbauer
title_short Cortisol coregulation in fish
title_full Cortisol coregulation in fish
title_fullStr Cortisol coregulation in fish
title_full_unstemmed Cortisol coregulation in fish
title_sort Cortisol coregulation in fish
author_id_str_mv f682ec95fa97c4fabb57dc098a9fdaaa
author_id_fullname_str_mv f682ec95fa97c4fabb57dc098a9fdaaa_***_Ines Fuertbauer
author Ines Fuertbauer
author2 Ines Fürtbauer
Michael Heistermann
Ines Fuertbauer
format Journal article
container_title Scientific Reports
container_volume 6
container_start_page 30334
publishDate 2016
institution Swansea University
doi_str_mv 10.1038/srep30334
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Biosciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Biosciences
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description Cortisol coregulation, which is the up- or down-regulation of partners’ physiological stress responses, has been described for individuals with strong attachment bonds, e.g. parents and their children, and romantic relationship partners. Research into moderating effects on cortisol coregulation suggests stronger covariation among distressed partners. Whether cortisol coregulation is unique to humans or can also be found in other species that share universal features of the vertebrate stress response remains unexplored. Using a repeated measures approach and non-invasive waterborne hormone analysis, we test the hypothesis that dyads of three-spined stickleback fish (Gasterosteus aculeatus) coregulate their cortisol levels in shared environments. Dyadic cortisol levels were unrelated when cohabiting (home tank), but significantly covaried when sharing a more stressful (as indicated by higher cortisol levels) environment (open field). Time-lag analysis further revealed that open field cortisol levels were predicted by partner’s cortisol levels prior to the shared experience. To our knowledge, this study provides the first evidence for coregulatory processes on cortisol responses in a non-human animal that lacks strong bonds and social attachment relationships, suggesting a shared evolutionary origin of cortisol coregulation in vertebrates. From an adaptive perspective, cortisol coregulation may serve to reduce risk in challenging, potentially threatening situations.
published_date 2016-12-31T18:58:16Z
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