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Determinants of response pattern of Cochlear Nucleus Neuron:a Study Based on the Model

Chinese Journal of Biomedical Engineering(English Edition) 2013年第3期22卷 98-104页

作者： WANG Chao LIU Jia-hao XIAO Zhong-ju ZHOU Ling-hong School of Biomedical Engineering Southern Medical University School of Basic Medical Sciences Southern Medical University

Objective: Neurons in the cochlear nucleus show different response patterns to the short tone bursts. Because of the limitations of animal experiments, it is hard to explore the principle. Therefore, using a model to simulate CN neurons will be a feasible way. Methods: Based on the initial model mentioned in the previous study, we proposed an improved CN model in MATLAB R2012b. Results: By modifying the parameters of the model we found the interchanges among "primary-like", "chopper",and "onset" response patterns. Furthermore, we simulated the "pauser" response pattern by adding an extra input in our model. Conclusion: The results indicate that the synaptic integrations and the input modes can give rise to different characteristics of CN neurons, which eventually determine the response patterns of CN neurons.

关键词： cochlear nucleus neuron response pattern model

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response patterns of simulated corn yield and soil nitrous oxide emission to precipitation change

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Ecological Processes 2023年第1期12卷 247-259页

作者： Navneet Kaur Dafeng Hui Daniel M.Riccuito Melanie A.Mayes Hanqin Tian Department of Biological Sciences Tennessee State UniversityNashvilleTN 37209USA Environmental Sciences Division and Climate Change Science Institute Oak Ridge National LaboratoryOak RidgeTNUSA Schiller Institute for Integrated Science and Society Department of Earth and Environmental SciencesBoston CollegeChestnut HillMAUSA

Background Precipitation plays an important role in crop production and soil greenhouse gas ***,how crop yield and soil nitrous oxide(N_(2)O)emission respond to precipitation change,particularly with different background precipitations(dry,normal,and wet years),has not been well *** this study,we examined the impacts of precipitation changes on corn yield and soil N_(2)O emission using a long-term(1981-2020,40 years)climate dataset as well as seven manipulated precipitation treatments with different background precipitations using the DeNitrification-DeComposition(DNDC)*** Results showed large variations of corn yield and precipitation but small variation of soil N_(2)O emission among 40 *** corn yield and soil N_(2)O emission showed near linear relationships with precipitation based on the long-term precipitation data,but with different response patters of corn yield and soil N_(2)O emission to precipitation *** yield showed a positive linear response to precipitation manipulations in the dry year,but no response to increases in precipitation in the normal year,and a trend of decrease in the wet *** extreme drought treatments reduced corn yield sharply in both normal and wet *** contrast,soil N_(2)O emission mostly responded linearly to precipitation *** in precipitation in the dry year reduced more soil N_(2)O emission than those in the normal and wet years,while increases in precipitation increased more soil N_(2)O emission in the normal and wet years than in the dry *** This study revealed different response patterns of corn yield and soil N_(2)O emission to precipitation and highlights that mitigation strategy for soil N_(2)O emission reduction should consider different background climate conditions.

关键词： Background precipitation DNDC model Precipitation change response pattern Yield Soil N_(2)O emission

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The Single-on and Double-on Responders in the Inferior Colliculus of the Leaf-nosed Bat,Hipposideros Armiger

The Single-on and Double-on Responders in the Inferior Colli...

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“基因、进化与生理功能多样性”海内外学术研讨会暨中国生理学会第七届比较生理学学术会议

作者：付子英 Philip H.S.Jen College of Life Sciences and Hubei Key Lab of Genetic Regulation & Integrative Biology Central China normal university Division of Biological Sciences University of Missouri-ColumbiaMO 65211USA

For orientation,the leaf-nosed Hipposideros armiger emits multiple constant frequency -frequency modulated(CF-FM) signals with energy mainly distributed at the predominant second harmonic of 66.4 kHz and analyzes the returning echoes to extract information about the ***,the importance of analysis of different prey features from the returning echoes may also vary throughout a target approaching *** present study examines the role of the FM component of CF-FM sounds in shaping the response properties of neurons in the central nucleus of the inferior colliculus(IC) of the CF-FM bat, Hipposideros armiger,using CF,FM and CF-FM sounds as *** recorded 169 IC neurons are tonotopically organized along the dorsoventral axis of the IC(n=169,r=0. 716,Ppattern, latency and number of impulses of IC neurons. The present study suggests that using CF-FM sounds to study auditory response properties of the CF-FM bat may be essential for better understanding of echo analysis by the CF-FM bat in the real *** the double-on responders have shorter response latency than single-on responders,we speculate that these two types of responders may be best suited for

关键词： CF-FM bat Frequency tuning curve Inferior colliculus response pattern

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From SARS to COVID-19:Is interdisciplinary research progressed in responding to another global pandemic?

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Data Science and Informetrics 2022年第4期2卷 38-55页

作者： Beibei Sun Hongyu Zhou Ying Huang Lin Zhang School of Information Management Wuhan UniversityWuhanChina Center forScience Technology&Education Assessment(CSTEA)Wuhan UniversityWuhanChina Centre for R&D Monitoring(ECOOM)and Department of MSI KU LeuvenLeuvenBelgium Centre for R&D Monitoring(ECOOM) Faculty of Social SciencesUniversity of AntwerpAntwerpBelgium

Interdisciplinary research(IDR)plays a vital role in tackling grand and complex challenges such as COVID-19,which has severe consequences for public health,economy,politics,and *** study compares several facets of interdisciplinarity that occurred in the research relating to two serious global pandemics in this century,namely SARS and COVID-19,and provides a comprehensive summary of the performance and growth of pandemic-related interdisciplinary ***,the scientific community gathers more multidisciplinary efforts to tackle COVID-19 in comparison to ***,COVID-19 related research from each major field has greater connections with their established expertise and research threads such that they are studying the impact of COVID-19 on their own existing research subjects,while the studies of SARS by different disciplines exhibit less discernable disciplinary ***,as for the interdisciplinarity observed in the knowledge base of pandemic-related publications,we observe a greater presence of social science knowledge and a more dispersed distribution of knowledge from various disciplines comparing publications on COVID-19 with ***,regarding interdisciplinarity in research collaboration,COVID-19 publications are on average produced by more interdisciplinary teams than SARS,as measured by the number and diversity of affiliated disciplines of *** discovery on the growth of multidisciplinarity and interdisciplinarity in pandemic-related research signals positive achievement that the scientific community is responding to such a global challenge as a whole and is willing to break down existing disciplinary silos to facilitate the flow of knowledge and breed novelty.

关键词： SARS COVID-19 Interdisciplinarity Multidisciplinary collaboration response pattern

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