1. The effect of social condition on aggressive behavior in male Phodopus campbelli

2. Why study this?
What is aggression?
Mice and rats
Social condition

3. Subjects, materials, and procedure

4. Observed variables

5. Observed variables

6. Objective: to determine if social condition affects aggression
Hypothesis: males housed with females are more aggressive than males housed individually

7. Results Solo males spent more time fighting on top
Trends suggested differences between groups

8. Results

9. Top fighting

10. First bites

11. Initiators

12. Group differences
Habituation
Memory
Cages
Pups
Hormones

13. Why would solo males be more aggressive?
Isolation-induced aggression

14. Why would solo males be more aggressive?

15. Conclusion
Despite observed trends, solo males are more aggressive than social males