Table 1 Overview of behavioural parameters measured in the open field and the object recognition test
| Â | Behavioural parameter | Abbreviation | Behavioural dimension |
|---|---|---|---|
Experiment 1: Open Field | Latency until the first centre entry | Latency centre | Avoidance behaviour |
Total time spent in centre | Centre duration | Â | |
Total number of centre entries | Centre entries | Â | |
Total number of stretched attends | Stretched attends | Risk assessment | |
Latency until first stretched attend | Latency stretched attend | Â | |
Total number of line crossings | Line crossings | Locomotion | |
Latency until first line crossing | Latency line cross | Â | |
Total time spent immobile | Immobility duration | Â | |
Latency until the first immobility event | Latency immobility | Â | |
Total number of rearings | Rearings | General exploration | |
Latency until first rearing | Latency rear | Â | |
Total time spent grooming | Grooming duration | Arousal/de-arousal | |
Latency until the first grooming event | Latency grooming | Â | |
Total number of fecal boli | defecations | Â | |
Experiment 2: Object recognition test | Discrimination index* | DI | Object memory |
Latency until first exploration novel object | Latency novel object | Â | |
Latency until first exploration familiar object | Latency familiar object | Â | |
Total time spent exploring novel object | Time novel object | Â | |
Total time spent exploring familiar object | Time familiar object | Â | |
Total number of stretched attends | Stretched attends | Risk assessment | |
Total number of line crossings | Line crossings | Locomotion | |
Total time spent immobile | Immobility duration | Â | |
Latency until the first immobility event | Latency immobility | Â | |
Total number of rearings | Rearings | General exploration | |
Total time spent grooming | Grooming duration | Arousal/de-arousal | |
Latency until the first grooming event | Latency grooming | Â |