Title/Summary Page

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Introduction
Page 1

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Experiment 1:
Intro/Method
Pages 2-3

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Experiment 1:
Results
Page 4

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Experiment 1:
Discussion
Page 5

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Experiment 2:
Intro/Method
Page 6

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Experiment 2:
Results
Page 7

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Experiment 2:
Discussion
Page 8

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Experiment 3:
Intro/Methods
Page 9

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Experiment 3:
Results
Page 10

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Experiment 3:
Discussion
Page 11

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General Discussion
Page 12

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Figures 1-2-3
Pages 13-14-15

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Tables 1-2-3
Pages 16-17-18

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Acknowledgements and References
Page 19

Acknowledgements

The authors wish to thank the students in Psychology 207 at Wesleyan University for their careful and patient work on the project over 3 years, as well as the students who worked on the project in the summers under the auspices of the P.I.M.M.S. program.

References

1. Adams, D. B. Further investigations on a possible single genetic locus determining differences in competitive fighting of highly inbred rats. Behav. Genet. 9: 435-436; 1979.

2. Adams, D. B. Brain mechanisms for offense, defense, and submission. Behav. Brain Sci. 2: 201-241; 1979.

3. Adams, D. B. Motivational systems of agonistic behavior in muroid rodents: A comparative review and neural model. Aggress. Behav. 6: 295-346; 1980.

4. Adams, D. B. Motivational systems of social behavior in male rats and stumptail macaques: Are they homologous? Aggress. Behav. 7: 5-18; 1981.

5. Adams, D. B. Hormone-brain interactions and their influence on agonistic behavior. In: Svare, B. B., ed. Hormones and aggressive behavior. New York: Plenum Press; 1983.

6. Albert, D. J.; Petrovic, D. M.; Walsh, M. L. Competitive experience activates testosterone-dependent social aggression toward unfamiliar males. Physiol. Behav. 45: 723-727; 1989.

7. Albert, D. J.; Petrovic, D. M.; Walsh, M. L. Female rats in a competitive situation: Medial hypothalamic lesions increase and ovariectomy decreases success and aggression. Physiol. Behav. 46: 379- 386; 1989.

8. Brain, P. F.; Benton, D.; Howell, P. A.; Jones, S. E. Resident rats' aggression toward intruders. Anim. Learn. Behav. 8:331-335; 1980.

9. DeBold, J. F.; Miczek, K. A. Sexual dimorphism in the hormonal control of aggressive behavior of rats. Pharmacol. Biochem. Behav. l4 (Suppl. 1): 89-93; 1981.

10. DeBold, J. F.; Miczek, K. A. Aggression persists after ovariectomy in female rats. Horm. Behav. 18: 177-190; 1984.

11. Fredericson, E. The effects of food deprivation upon competitive and spontaneous combat in C57 black mice. J. Psychol. 29: 89-100; 1950.

12. Fredericson, E. Aggressiveness in female mice. J. Comp. Physiol Psychol. 45: 254-257; 1952.

13. Mink, J. W.; Adams, D. B. Why offense is reduced when rats are tested in a strange cage. Physiol. Behav. 26: 567-573; 198a.

14. Zook, J.M.; Adams, D.B. Competitive fighting in the rat. J. Comp. Physiol. Psychol. 88: 418-423; 1975.