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Spontaneous object recognition in the Göttingen minipig
Anette Moustgaard1, Nanna Marie Lind, Ralf Hemmingsen
1Department of Psychiatry, H:S Bispebjerg, University Hospital of Copenhagen, Bispebjerg Bakke 23, DK-2400 Copenhagen NV, Denmark. anmo@kvl.dk
Neural Plasticity
|September 10, 2003
Summary
Göttingen minipigs demonstrated object recognition by exploring novel items more than familiar ones after a delay. This study validates a new method for assessing spontaneous memory in pigs.
Area of Science:
- Animal behavior
- Cognitive neuroscience
- Veterinary science
Background:
- Assessing memory in non-human animals is crucial for understanding cognitive evolution.
- Pigs possess complex cognitive abilities, yet standardized memory tests are limited.
- Spontaneous recognition tasks offer insights into natural memory processes.
Purpose of the Study:
- To evaluate a novel object recognition procedure in Göttingen minipigs.
- To determine if pigs exhibit memory for familiar objects after a delay.
- To establish a reliable method for testing spontaneous memory in this species.
Main Methods:
- Eight Göttingen minipigs participated in a spontaneous object recognition task.
- A one-hour delay was implemented between the sample and test trials.
- Exploratory behavior towards familiar and novel objects was recorded and analyzed.
Main Results:
- Pigs showed significantly increased exploration of the novel object compared to the familiar object (p<0.05).
- Habituation of exploration towards the familiar object was observed between trials (p<0.05).
- Results indicate successful recognition memory in the minipigs.
Conclusions:
- The object recognition procedure effectively demonstrates spontaneous memory in Göttingen minipigs.
- This method is suitable for assessing trial-unique memory in pigs.
- The findings contribute to the development of cognitive testing in preclinical models.