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There’s no place like home: cage odours and place preference in subordinate CD-1 male mice

Fitchett, Ann E.; Barnard, Christopher J.; Cassaday, Helen J.

Authors

Ann E. Fitchett

Christopher J. Barnard

Helen J. Cassaday



Abstract

Prior studies using mice have shown that scent marks are an important source of information and can cause behavioural changes in other individuals. Studies have also shown that scent marks in the environment can affect the outcome of social interactions between mice. We used conditioned place preference tests to investigate whether CD-1 male mice (Mus musculus) are reinforced by olfactory cues from the home cage. Soiled bedding from the home cage was presented in the initially less preferred chamber of the apparatus to determine whether this association would reduce the unconditioned preference for one chamber over the other. We tested the effects of social rank and housing condition by comparing the performance of dyads that were polarised into dominant and subordinate relationships, both when paired and when separated, with mice that were isolated throughout. The development of conditioned place preference (CPP) supported by home cage odours was influenced by social rank but not by housing condition. Only subordinate mice showed CPP to home cage odours, and this effect was seen irrespective of whether they were housed with a dominant cage mate or alone. Neither dominant (paired or separated) nor isolated mice showed any change in their preference for the chamber associated with home cage odours. This suggests that the smell of home is a more powerful reinforcer for subordinate mice in that it can produce contextual conditioning to the environment in which it is experienced.

Citation

Fitchett, A. E., Barnard, C. J., & Cassaday, H. J. (2006). There’s no place like home: cage odours and place preference in subordinate CD-1 male mice. Physiology and Behavior, 87(5), https://doi.org/10.1016/j.physbeh.2006.02.010

Journal Article Type Article
Publication Date Jan 1, 2006
Deposit Date Jan 9, 2014
Publicly Available Date Mar 29, 2024
Journal Physiology & Behavior
Electronic ISSN 0031-9384
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 87
Issue 5
DOI https://doi.org/10.1016/j.physbeh.2006.02.010
Public URL https://nottingham-repository.worktribe.com/output/1018842
Publisher URL http://www.sciencedirect.com/science/article/pii/S0031938406000898
Additional Information NOTICE: this is the author’s version of a work that was accepted for publication in Physiology & Behavior. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Physiology & Behavior, 87(5), (2006), doi: 10.1016/j.physbeh.2006.02.010

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