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Firing Properties and Classification of MVN Neurons in Rats

Firing Properties and Classification of MVN Neurons in Rats
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摘要 In order to know the effects of caloric stimulation on neuronal firing in medial vestibular nuclei (MVN) by middle ear irrigation, the middle ear was irrigated with ice (4℃, hot (44℃. and warm (37℃ ) water, and the firing rate of MVN neuron was extracellularly recorded. The results showed that the firing rate of MVN neuron was changed by caloric stimulation, and the majority of MVN neurons showed excitation by irrigation with hot water and inhibition by ice water (type A). The neuronal firing was recovered immediately after the cessation of the stimulation. I It was concluded that the neuronal firing rate in MVN was changed by caloric stimulation in middle ear cavity. The response was different in various neurons. In order to know the effects of caloric stimulation on neuronal firing in medial vestibular nuclei (MVN) by middle ear irrigation, the middle ear was irrigated with ice (4℃, hot (44℃. and warm (37℃ ) water, and the firing rate of MVN neuron was extracellularly recorded. The results showed that the firing rate of MVN neuron was changed by caloric stimulation, and the majority of MVN neurons showed excitation by irrigation with hot water and inhibition by ice water (type A). The neuronal firing was recovered immediately after the cessation of the stimulation. I It was concluded that the neuronal firing rate in MVN was changed by caloric stimulation in middle ear cavity. The response was different in various neurons.
出处 《Journal of Huazhong University of Science and Technology(Medical Sciences)》 SCIE CAS 2003年第2期201-202,205,共3页 华中科技大学学报(医学英德文版)
基金 This project was supported by a grant from National Outstanding Youth Scientist Foundation(No.39925035),National Natural Sciences Foundation of China(No.30070809)and Foundation for University Key Teacher by the Ministry of Education.
关键词 vestibular nuclei caloric stimulation ELECTROPHYSIOLOGY vestibular nuclei caloric stimulation electrophysiology
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