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AJP - Regulatory, Integrative and Comparative Physiology, Vol 262, Issue 6 1006-R1014, Copyright © 1992 by American Physiological Society
ARTICLES |
S. M. Barman, G. L. Gebber and S. Zhong
Department of Pharmacology, Michigan State University, East Lansing 48824-1317.
Frequency-domain analysis was used to characterize the relationships among the rhythmic discharges recorded simultaneously from two to four sympathetic nerves in unanesthetized decerebrate cats. The major new findings were as follows. 1) The 10-Hz rhythmic discharges of different nerves cohered strongly in baroreceptor-innervated and -denervated cats. 2) The interval between the discharges of two nerves was frequency dependent in the 10-Hz band in some cats, supporting the view that the 10-Hz rhythm is generated by multiple central circuits that are coupled. 3) In some cases the central circuits responsible for the 10-Hz rhythms nonuniformly affected different nerves. 4) In baroreceptor-innervated cats the coherence values for the cardiac-related discharges of any two nerves were significantly higher than those for the 10-Hz rhythms. 5) In baroreceptor-denervated cats the 10-Hz rhythmic discharges of different nerves cohered more strongly than the 2- to 6-Hz rhythms. 6) The 10-Hz rhythm usually was not a harmonic of the 2- to 6-Hz or cardiac-related rhythm. Thus these rhythms are generated independently.
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G. L. Gebber, S. Zhong, C. Lewis, and S. M. Barman Differential Patterns of Spinal Sympathetic Outflow Involving a 10-Hz Rhythm J Neurophysiol, August 1, 1999; 82(2): 841 - 854. [Abstract] [Full Text] [PDF]
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 S. M. Barman, G. L. Gebber, and H. Kitchens Rostral dorsolateral pontine neurons with sympathetic nerve-related activity Am J Physiol Heart Circ Physiol, February 1, 1999; 276(2): H401 - H412. [Abstract] [Full Text] [PDF]
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S. M. Barman and G. L. Gebber Classification of Caudal Ventrolateral Pontine Neurons With Sympathetic Nerve-Related Activity J Neurophysiol, November 1, 1998; 80(5): 2433 - 2445. [Abstract] [Full Text] [PDF]
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S. Zhong, G. L. Gebber, S.-Y. Zhou, and S. M. Barman Nonlinear interactions of slow and rapid rhythms in sympathetic nerve discharge Am J Physiol Heart Circ Physiol, August 1, 1998; 275(2): H331 - H340. [Abstract] [Full Text] [PDF]
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G. L. Gebber, S. Zhong, S.-Y. Zhou, and S. M. Barman Nonlinear dynamics of the frequency locking of baroreceptor and sympathetic rhythms Am J Physiol Regulatory Integrative Comp Physiol, December 1, 1997; 273(6): R1932 - R1945. [Abstract] [Full Text] [PDF]
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S. M. Barman, H. L. Kitchens, A. B. Leckow, and G. L. Gebber Pontine neurons are elements of the network responsible for the 10-Hz rhythm in sympathetic nerve discharge Am J Physiol Heart Circ Physiol, October 1, 1997; 273(4): H1909 - H1919. [Abstract] [Full Text] [PDF]
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S. M. Barman and G. L. Gebber Subgroups of Rostral Ventrolateral Medullary and Caudal Medullary Raphe Neurons Based on Patterns of Relationship to Sympathetic Nerve Discharge and Axonal Projections J Neurophysiol, January 1, 1997; 77(1): 65 - 75. [Abstract] [Full Text] [PDF]
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 B. J. A. Janssen, E. V. Lukoshkova, and G. A. Head Sympathetic modulation of renal blood flow by rilmenidine and captopril: central vs. peripheral effects Am J Physiol Renal Physiol, January 1, 2002; 282(1): F113 - F123. [Abstract] [Full Text] [PDF]
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