Recovery cycle of inferior collicular neurons in Hipposideros pratti under behavior-related sound stimulus and the best Doppler-shift compensation conditions

Recovery cycle of inferior collicular neurons in Hipposideros pratti under behavior-related sound stimulus and the best Doppler-shift compensation conditions
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行为相关声刺激和最佳多普勒频移补偿条件下普拉蒂下丘神经元的恢复周期

DOI:
10.1016/j.physbeh.2017.01.029
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发表时间:
2017-03
影响因子:
2.9
通讯作者:
Qi-Cai Chen
Qi-Cai Chen
中科院分区:
医学3区
文献类型:
--
作者:
Jia Tang;Chen-Xue Wei;Meng-Xia Chen;Qiao-Chao Wang;Hui-Fang Kong;Zi-Ying Fu;Qi-Cai Chen

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恒频调频蝙蝠(Hipposderos Pratti)的多普勒频移补偿(DSC)行为对于回波信息的提取和分析是至关重要的。这种类型的行为会影响声音敏感神经元的恢复周期,但它们之间的确切关系尚不清楚。在本研究中,我们观察了DSC对大鼠下丘(IC)神经元恢复周期的影响。普拉蒂。在回声定位的DSC过程中,通过改变发射脉冲频率并保持回声频率恒定来模拟蝙蝠的脉冲-回声对。IC神经元的恢复周期可分为四种类型:未恢复、单调、单峰和多峰。DSC后IC神经元的恢复周期缩短,且多峰恢复周期的神经元数量增多,集中在短恢复区。文中还讨论了蝙蝠捕食行为不同阶段可能的神经机制及其生物学相关性。
The Doppler-shift compensation (DSC) behavior of constant frequency – frequency modulation (CF-FM) bat (Hipposideros pratti) is vital for extraction and analysis of echo information. This type of behavior affects the recovery cycles of sound-sensitive neurons, but their precise relationship remains unclear. In this study, we investigated the effects of DSC on the recovery cycles of inferior collicular (IC) neurons inH. pratti. We simulated the pulse-echo pair in bats by changing the emitted pulse frequency and keeping the echo frequency constant during DSC in echolocation. The neuronal recovery cycles of IC neurons are categorized into four types: unrecovered, monotonic, single-peak, and multi-peak. The recovery cycle of IC neurons shortens after DSC; moreover, the amount of neurons with multi-peak recovery cycle increases and concentrates in the short recovery area. This paper also discusses the possible neural mechanisms and their biological relevance to different phases of bat predation behavior.
DOI: 10.1007/bf01380049
发表时间: 2005
期刊: Journal of comparative physiology
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