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The Spatial Memory Game: Testing the Relationship Between Spatial Language, Object Knowledge, and Spatial Cognition
Published on: February 19, 2018
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Relationship between ranging behavior and spatial memory of free-range chickens.
Vitor Hugo Bessa Ferreira1, Benoit Peuteman2, Flore Lormant3
1Yncréa Hauts-de-France, ISA Lille, 48 bd Vauban 59046 Lille Cedex, France; INRA, CNRS, IFCE, Université de Tours, Centre Val de Loire UMR Physiologie de la Reproduction et des Comportements, 37380 Nouzilly, France.
Behavioural Processes
|June 22, 2019
Summary
Broiler chickens that explore less (Low rangers) show better spatial memory than those that explore more (High rangers). This suggests ranging behavior influences cognitive performance in chickens.
Area of Science:
- Animal behavior
- Cognitive ethology
- Avian science
Background:
- Individual differences in personality and cognition are not fully understood across species.
- Free-range broiler chickens exhibit significant variability in outdoor ranging behavior.
- Ranging behavior may impact cognitive abilities, specifically spatial memory.
Purpose of the Study:
- To investigate the impact of ranging behavior on spatial memory in free-range broiler chickens.
- To compare the spatial memory performance of chickens with high and low ranging behaviors.
- To explore the relationship between consistent individual differences in behavior and cognitive performance.
Main Methods:
- Two groups of male broiler chickens were identified: High rangers (frequent outdoor exploration) and Low rangers (limited outdoor exploration).
- A spatial memory task was administered in an arena with baited cups.
- Latency to visit cups and visit/revisit patterns were recorded over familiarization and spatial test phases.
Main Results:
- Low rangers reached familiarization criteria faster than High rangers.
- Low rangers showed decreased latency to find baited cups across trials, indicating improved spatial memory.
- High rangers showed increased latency, suggesting poorer spatial memory retention compared to Low rangers.
Conclusions:
- Ranging behavior in free-range chickens is a stable individual difference that correlates with spatial memory performance.
- Low ranger chickens demonstrate superior spatial memory compared to High rangers.
- Speed-accuracy trade-offs likely contribute to the observed differences in cognitive task performance.
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