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Department Faculty

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Randy J. Nelson

Dr. Nelson is a Distinguished Professor of Social and Behavioral Sciences at The Ohio State University. He is Professor of Psychology and Neuroscience and a member of the Institute for Behavioral Medicine Research at The Ohio State University School of Medicine. He also serves as co-director for the Neuroscience Graduate Studies Program.

AB degree in Psychology in 1978 at the University of California at Berkeley. He began his graduate career at Berkeley with work on canine behavioral sex differentiation with Dr. Frank Beach. After receiving his MA in Psychology in 1980, he began focusing on circadian rhythms and photoperiodism with Dr. Irving Zucker. He earned a PhD in Psychology in 1983, as well as a second PhD in Endocrinology in 1984 from the University of California at Berkeley. Dr. Nelson then went on to complete a postdoctoral fellowship in reproductive physiology with Drs. Frank Bronson and Claude Desjardins at the Institute for Reproductive Biology at the University of Texas, Austin from 1984-1986.

Served on the faculty at The Johns Hopkins University from 1986 until 2000 where he was Professor of Psychology, Neuroscience, Biochemistry and Molecular Biology. He joined the faculty at OSU in the fall of 2000. Dr. Nelson has published over 200 research articles and several books describing studies in seasonality, behavioral endocrinology, biological rhythms, immune function, sex behavior, and aggressive behaviors.

Selected Publications


Hotchkiss, A.K., Pyter, L.M., Gatien, M.L., Gatien, Wen, J.C., Milman, H.A., & Nelson, R.J. 2005. Aggressive behavior increases after termination of chronic sildenafil treatment in mice. Physiology & Behavior, 83:683-688.

Pyter, L.M., Hotchkiss, A.K., & Nelson, R.J. 2005. Photoperiod-induced differential expression of angiogenesis genes in testes of adult Peromyscus leucopus. Reproduction, 129: 201-209.

Prendergast, B.J. & Nelson, R.J. 2005. Affective responses to changes in day length in Siberian hamsters (Phodopus sungorus). Psychoneuroendocrinology, 30: 438-452.

Prendergast, B.J., Bilbo, S.D., & Nelson, R.J. 2005. Short day lengths enhance skin immune responses in gonadectomised Siberian hamsters. Journal of Neuroendocrinology, 17:18-21.

Pyter, L.M., Samuelsson, A.R., Quan, N., &. Nelson, R.J. 2005. Photoperiod alters hypothalamic cytokine gene expression and sickness responses following immune challenge in female Siberian hamsters (Phodopus sungorus). Neuroscience, 131:779-784.

Pyter, L.M., Neigh, G.N., & Nelson, R.J. 2005. Social environment modulates photoperiodic immune and reproductive responses in adult male white-footed mice (Peromyscus leucopus). American Journal of Physiology, 288: R891-R896.

Gammie, S.C. & Nelson, R.J. 2005. High maternal aggression in dwarf hamsters (Phodopus campbelli and Phodopus sungorus). Aggressive Behavior, 31:294-302.

Chiavegatto, S., Demas, G.E. & Nelson, R.J. 2005. Nitric oxide and aggression. In: Biology of Aggression. R.J. Nelson, (editor). Oxford University Press, New York, pp.150-162.

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