Modifications of Neuronal Activity in the Medial Vestibular Nucleus during Long-Term Vibration |
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| Authors: | Minasyan S M Sarkisyan S G Egiazaryan M L Sarkisyan R Sh |
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| Institution: | (1) Yerevan State University, Republic of Armenia;(2) Orbeli Institute of Physiology, National Academy of Sciences, Republic of Armenia |
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| Abstract: | The impulse background activity (BA) of neurons of the rat medial vestibular nucleus (MVN) was subjected to computer analysis, and its modifications related to long-term vibration were studied. It was shown that following 5 days of 2-h-long vibration sessions, statistically significant changes in some basic characteristics of BA generated by MVN neurons were observed. More than a twofold increase in the mean BA frequency and substantial shifts practically of all statistical BA parameters were found after 10 days of vibration. Following a 15-day-long vibration, MVN neurons showed a clear-cut tendency to restore control values of the BA indices, which probably was related to adaptation processes. |
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| Keywords: | vibration medial vestibular nucleus background impulse activity |
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