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Motor asymmetry in goats during a stepping task.
Carolina Baruzzi1, Christian Nawroth2,3, Alan G McElligott2,4
1a Department of Wildlife, Fisheries, and Aquaculture , Mississippi State University , Starkville , MS , USA.
Laterality
|December 21, 2017
Summary
Goats exhibit individual motor lateralization, but the species as a whole does not display a preferred foreleg. Social coordination may influence population-level lateralization in animals.
Area of Science:
- Ethology
- Animal Behaviour
- Neuroscience
Background:
- Behavioural lateralization, encompassing perceptual and motor aspects, enhances brain efficiency.
- Motor laterality is defined as the preferential use of one limb or organ for specific tasks.
Purpose of the Study:
- To investigate motor laterality in goats (Capra hircus) using the First-stepping Task.
- To determine if goats exhibit population-level forelimb preference.
Main Methods:
- The First-stepping Task was employed to assess motor laterality.
- The initial foreleg used to step off a board was recorded for each goat.
Main Results:
- Individual goats showed variation in motor lateralization, with 36.6% displaying asymmetries.
- Goats as a group did not exhibit a population-level preference for a specific foreleg.
Conclusions:
- Individual motor lateralization is present in goats, but not at the population level.
- The necessity for coordinating behavior among conspecifics may be crucial for population-level lateralization.
- Future research should explore the impact of social complexity and emotional stimuli on animal lateralization.
