ArticleScientific reports2022
Inter-individual differences in laboratory rats as revealed by three behavioural tasks.
Article in Scientific reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Oral administration of MCT oil reduces anxiety-like behavior and is associated with differences in serum BDNF responses in a rat model of PTSD.Scientific reports · 2026Article
- The transcriptome of playfulness is sex biased in the juvenile rat medial amygdala: A role for inhibitory neurons.Cell reports · 2025Article
- The 3D Vertical Maze: A new model system for studying the interactions between social and spatial cognition.Journal of neuroscience methods · 2025Article
- How to explore a new environment: exploratory tactics of the black rat (Current zoology · 2024Article
- Multidimensional behavioral profiles associated with resilience and susceptibility after inescapable stress.Scientific reports · 2024Article
- Boldness suppresses hoarding behavior in food hoarding season and reduces over-wintering survival in a social rodent.Ecology and evolution · 2024Article
- Long-term effects of neonatal pain and sucrose treatment.Current research in pharmacology and drug discovery · 2024Article
- An exploratory study of behavioral traits and the establishment of social relationships in female laboratory rats.PloS one · 2023Article
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Authors and funding
7 authors.
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Abstract
Stable inter-individual differences in behaviour and personality have been studied for several decades now. The aim of this study was to test the repeatability of behaviour of the Long Evans strain of laboratory rats in order to assess their inter-individual differences. Male laboratory rats (n = 36) were tested in a series of tasks (Open field test, Elevated plus maze test, and modified T-maze test) repeated over time to assess their personality traits. To evaluate the temporal stability of the behaviour, we calculated repeatability estimates of the examined traits. We also checked for a link in behavioural traits across these experiments, which would suggest the existence of a behavioural syndrome. We found stable inter-individual differences in behaviour. Interestingly, no link emerged between the tasks we studied and therefore we did not find support for a behavioural syndrome. The lack of behavioural correlations between these experiments suggests that the results derived from these tasks should be interpreted carefully, as these experiments may measure various behavioural axes. Moreover, the animals habituate to the apparatus. Consequently, behaviour in the Open field test and Elevated plus maze test is not fully consistent and repeatable across subsequent trials.
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