For a short description of the kinds of work we have done and are doing, click here.  Lab publications are listed below....


2007

Evans, J.A., Elliott, J.A. and Gorman, M.R. Circadian sensitivity to dim illumination comparable in intensity to light from the night sky, J Biol Rhythms. In press.


2006

Gorman, M.R. and Steele, N. Phase angle alters coupling relations of functionally distinct circadian oscillators revealed by rhythm splitting, J Biol Rhythms. 21:195-205.  For pdf reprint click here

Gorman, M.R., Evans, J.A. and Elliott, J.A.  Potent circadian effects of dim illumination at night in hamsters.  Chronobiol Int. 23:245-50.  For pdf reprint click here

2005

Rosenthal S.L., Vakili, M.M., Evans, J.A., Elliott, J.A. and Gorman M.R. Influence of photoperiod and running wheel access on the entrainment of split circadian rhythms in hamsters. BMC Neuroscience, 6:41.  For pdf reprint click here

Evans, J.A., Elliott, J.A. and Gorman, M.R. Circadian Entrainment and Phase Resetting Differ Markedly under Dimly Illuminated versus Completely Dark Nights, Behavioral Brain Research, 162:116-126.  For pdf reprint click here

2004

Gorman, M.R., Kendall, M. and Elliott, J.A.  Scotopic illumination enhances entrainment of circadian rhythms to lengthening light:dark cycles, Journal of Biological Rhythms, 20:38-48.  For pdf reprint, click here
Gorman, M.R. and Elliott, J. A. Dim nocturnal illumination alters coupling of circadian oscillators in Siberian hamsters, Phodopus sungorus.  Journal of Comparative Physiology A, 190:631-9.  For pdf reprint, click here.
Evans, J.A., Elliott, J.A. and Gorman, M.R. Photoperiod Differentially Modulates Photic and Nonphotic
Phase Response Curves of Hamsters.  American Journal of Physiology, 286:R539-46.  For pdf reprint, click here

2003

Gorman, M.R. and Elliott, J.A. Entrainment of two subjective nights by daily light:dark:light:dark cycles in three rodent species.  Journal of Biological Rhythms, 18:502-12. For pdf reprint click here
Gorman, M.R. Independence of circadian entrainment state and responses to melatonin in male Siberian hamsters.  BMC Physiology.  For pdf reprint click here
Gorman, M.R. Melatonin implants disrupt developmental synchrony regulated by flexible interval timers.  J Neuroendocrinology, 15:1084-94.  For pdf reprint click here
Piatkowska,J.M., Prendergast, B.J., and Gorman, M.R.  Temporal integration of melatonin infusion duration: signal averaging versus frequency dependence.  J Pineal Res, 35:91-97.  For pdf reprint click here
Gorman, M.R., Evans, J.A., and Elliott, J.A.  Plasticity of hamster circadian entrainment  patterns depends on light intensity.  Chronobiol Intl, 20:233-248.  For pdf reprint click here
Gorman, M.R.  Differential effects of multiple short day lengths on body weights of gonadectomized Siberian hamsters.  Physiol Biochem Zool, 76:398-405.  For pdf reprint click here
2002
Evans, J.A. and Gorman, M.R. Split circadian rhythms of female Syrian hamsters and their offspring.  Physiol Behav, 76:469-478.  For pdf reprint click here
Gorman, M.R., and Lee, T.M.  Hormones and Biological Rhythms.  In: Behavioral Endocrinology, ed. by J.B. Becker, S.M. Breedlove, M.M. McCarthy and D. Crews. MIT Press, pp.451-494.
2001 (Available upon request):
Gorman, M. R., and Lee, T. M. Daily novel Wheel Running Reorganizes and Splits Hamster Circadian Activity Rhythms. J Biol Rhythms, 16:541-551. [ abstract ]  For pdf reprint click here

Gorman, M. R. Exotic photoperiods induce and entrain split circadian activity rhythms in hamsters. J Comp Physiol A, 187:793-800. [ abstract ] For pdf reprint click here

Gorman, M. R., Yellon, S.M., and Lee, T. M. Temporal Reorganization of the Suprachiasmatic Nuclei in Hamsters with Split circadian Rhythms. J Biol Rhythms, 16:552-563. [ abstract ] For pdf reprint click here

Gorman, M.R. A Plastic Interval Timer Synchronizes Springtime Pubertal Development of Summer- and Fall-born Siberian Hamsters.  Am J Physiol Regul Integrative Comp Physiol, 281(5):R1613-R1623. [ abstract ] For pdf reprint click here

Gorman MR, Goldman BD, and Zucker I. Mammalian photoperiodism. In: Circadian Clocks, edited by J. S. Takahashi, F. W. Turek and R. Y. Moore. New York: Plenum Press, 2001, p. 481-508.

2000
Lee, T.M. and Gorman, M.R.  Timing of reproduction by the integration of photoperiod and other seasonal signals.  In: Reproduction in Context, ed. by K. Wallen and J. Schneider, MIT Press, 2000, pg. 191-218.

Prendergast, B. J., Gorman, M. R., and Zucker, I. (2000). Establishment and persistence of photoperiodic memory in hamsters. Proc Natl Acad Sci U S A 97(10), 5586-91. [ abstract ]  For pdf reprint click here


1998

Gorman, M.R. and Zucker, I. "Mammalian photoperiodism: new perspectives from the use of simulated natural photoperiods."  In: Biological Clocks. Mechanisms and Applications, ed. by Y. Touitou, Excerpta Medica International Congress Series Volume 1152, Elsevier Science B.V. Amsterdam. 1998 (pp. 195-204).
Prendergast BJ, Zucker I, Yellon SM, Ringold DA, Gorman MR. Melatonin chimeras alter reproductive development and photorefractoriness in Siberian hamsters. J Biol Rhythms 1998 Dec;13(6):518-31. [ abstract ]  For pdf reprint click here
1997
Gorman MR, Freeman DA, Zucker I. Photoperiodism in hamsters: abrupt versus gradual changes in day length differentially entrain morning and evening circadian oscillators. J Biol Rhythms 1997 Apr;12(2):122-35. [ abstract ]

Gorman MR, Zucker I. Environmental induction of photononresponsiveness in the Siberian hamster, Phodopus sungorus. Am J Physiol 1997 Mar;272(3 Pt 2):R887-95. [ abstract ] For pdf reprint click here

Gorman MR, Zucker I. Pattern of change in melatonin duration determines testicular responses in Siberian hamsters, Phodopus sungorus. Biol Reprod 1997 Mar;56(3):668-73. [ abstract]  For pdf reprint click here
 

1996
Prendergast BJ, Kelly KK, Zucker I, Gorman MR. Enhanced reproductive responses to melatonin in juvenile Siberian hamsters. Am J Physiol 1996 Oct;271(4 Pt 2):R1041-6. [ abstract ] For pdf reprint click here

Gorman MR, Yellon SM. Three daily melatonin infusions alter gonadal development but not GnRH neuron number in the medial preoptic area or diagonal band of Broca in Siberian hamsters. Neurosci Lett 1996 Jun 7;210(3):165-8. [ abstract ]
 

1995
Gorman MR, Zucker I. Testicular regression and recrudescence without subsequent photorefractoriness in Siberian hamsters. Am J Physiol 1995 Oct;269(4 Pt 2):R800-6 . [ abstract ] For pdf reprint click here

Gorman MR, Zucker I. Seasonal adaptations of Siberian hamsters. II. Pattern of change in daylength controls annual testicular and body weight rhythms. Biol Reprod 1995 Jul;53(1):116-25. [ abstract ] click here

Gorman MR. Seasonal adaptations of Siberian hamsters. I. Accelerated gonadal and somatic development in increasing versus static long day lengths. Biol Reprod 1995 Jul;53(1):110-5. [ abstract ] For pdf reprint click here

Finley CM, Gorman MR, Tuthill CR, Zucker I. Long-term reproductive effects of a single long day in the Siberian hamster (Phodopus sungorus). J Biol Rhythms 1995 Mar;10(1):33-41. [ abstract ]  For pdf reprint 
 

1994
Gorman MR, Ferkin MH, Dark J. Melatonin influences sex-specific prenatal mortality in meadow voles. Biol Reprod 1994 Nov;51(5):873-8. [ abstract ]
1993
Gorman, M.R., Ferkin, M.H., Nelson, R.J. and Zucker, I. "Reproductive status influences odor preferences of the meadow vole, Microtus pennsylvanicus, in winter day lengths." Canadian Journal of Zoology, 71, 1993. (pp. 1748-1754)
1992
Ferkin MH, Gorman MR, Zucker I. Influence of gonadal hormones on odours emitted by male meadow voles (Microtus pennsylvanicus). J Reprod Fertil 1992 Aug;95(3):729-36. [ abstract ]

Ferkin MH, Gorman MR. Photoperiod and gonadal hormones influence odor preferences of the male meadow vole, Microtus pennsylvanicus. Physiol Behav 1992 May;51(5):1087-91. [ abstract ]
 

1991 -- FIRST PUBLICATION
Ferkin MH, Gorman MR, Zucker I. Ovarian hormones influence odor cues emitted by female meadow voles, Microtus pennsylvanicus. Horm Behav 1991 Dec;25(4):572-81. [ abstract ]
Human Sexuality
 
Gorman MR. Male homosexual desire: neurological investigations and scientific bias. Perspect Biol Med 1994 Autumn;38(1):61-81. [ abstract ]

 
 
 

[ back ]   [ lab home ]