| 偏离最佳频率的声信号对几内亚长翼蝠下丘神经元的前掩蔽 |
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| 引用本文： | 付子英,唐佳,陈其才.偏离最佳频率的声信号对几内亚长翼蝠下丘神经元的前掩蔽[J].生物物理学报,2011,27(1):47-56. |
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| 作者姓名： | 付子英 唐佳 陈其才 |
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| 作者单位： | 华中师范大学生命科学学院,遗传调控与整合生物学湖北省重点实验室,武汉 430079 |
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| 基金项目： | 国家自然科学基金项目(30970972),教育部重点科技基金项目(108096) |
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| 摘 要： | 为探讨偏离神经元最佳频率(best frequency,BF)的声刺激对下丘神经元的前掩蔽效应,实验选用5只听力正常的几内亚长翼蝠(Miniopterus magnater),记录它们的下丘神经元对偏离BF的掩蔽声和探测声(BF)的反应.结果发现,当掩蔽声向高或低频方向偏离神经元的BF时,掩蔽效应逐渐降低.根据计算出的...
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| 关 键 词： | 偏离最佳频率声 前掩蔽 下丘神经元 几内亚长翼蝠 |
| 收稿时间： | 2010-06-18 |
| 修稿时间： | 2010-09-24 |
Forward Masking Induced by Off-Best Frequency Sound on Inferior Collicular Neurons of Miniopterus magnater |
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| FU Ziying,TANG Jia,CHEN Qicai College of Life Sciences , Hubei Key Lab of Genetic Regulation , Integrative Biology,Central China Normal University,Wuhan ,China.Forward Masking Induced by Off-Best Frequency Sound on Inferior Collicular Neurons of Miniopterus magnater[J].Acta Biophysica Sinica,2011,27(1):47-56. |
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| Authors: | FU Ziying TANG Jia CHEN Qicai College of Life Sciences Hubei Key Lab of Genetic Regulation Integrative Biology Central China Normal University Wuhan China |
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| Institution: | College of Life Sciences and Hubei Key Lab of Genetic Regulation and Integrative Biology, Central China Normal University, Wuhan 430079, China |
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| Abstract: | To investigate the forward masking induced by off-best frequency(BF) sound on the responses of inferior collicular(IC) neurons to probe,the experiment was performed on 5 bats(Miniopterus magnater) with normal hearing and the responses of inferior collicular neurons to masker(off-BF sound) and probe(BF sound) were recorded extracellularly.It was observed that the forward masking decreased gradually with masker frequency toward low and high frequency sides.The neurons could be categorized into three types,i.e... |
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| Keywords: | Off-best frequency sound Forward masking Inferior collicular neurons " target="_blank">Miniopterus magnaterzz')" href="#"> Miniopterus magnater |
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