Dissemination of tools and methods for modeling state-dependent neural sensory coding
传播状态依赖神经感觉编码建模工具和方法
基本信息
- 批准号:10693569
- 负责人:
- 金额:$ 8.04万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2023
- 资助国家:美国
- 起止时间:2023-05-01 至 2023-09-15
- 项目状态:已结题
- 来源:
- 关键词:AcousticsAnimalsAuditory Perceptual DisordersAuditory systemBehavioralBrainCalciumCodeComplexComputer softwareCrowdingDataData SetDevicesElectrophysiology (science)ElementsEnvironmentHearingHearing problemHumanImageImpairmentIndividualJudgmentLibrariesLifeMagnetoencephalographyMethodsModalityModelingNeural Network SimulationPatientsPerformancePeripheralPopulationProblem SolvingPropertySensorySpeechSystemTimeartificial neural networkauditory processingauditory stimulusbehavior influencecomputerized toolsdata-driven modeldesignexperimental studyhearing impairmentinsightmachine learning methodnervous system disorderneuralneural modelneurotransmissionnormal hearingnovelopen sourceresponsesignal processingsoundstatistical learningtool
项目摘要
Project Summary
Throughout life, humans and other animals learn statistical regularities in the natural acoustic environment.
They adapt their hearing to emphasize the features of sound that are important for making behavioral
decisions. Normal-hearing humans are able to perceive important sounds in crowded noisy scenes and to
understand the speech of individuals the first time they meet. However, patients with peripheral hearing loss or
central processing disorders often have problems hearing in these challenging settings, even when sound is
amplified above perceptual threshold. A better understanding of the function of the healthy and impaired
auditory system will support new treatments for these deficits.
This project will develop computational tools to study central auditory processing. A software library will support
fitting and evaluating a large number of encoding models to describe the functional relationship between a
time-varying natural auditory stimulus and the corresponding neural response. Many such models have been
proposed, but relatively few direct comparisons have been made between them. This project will enable their
comparison, allowing identification of the key features that contribute positively to their performance. The
system will have a modular design so that useful elements from different models can be combined into
comprehensive models with even greater explanatory power. The software will be open source and will support
data from multiple recording modalities, including small-scale single unit electrophysiological and calcium
imaging data, as well as large-scale local field and magnetoencephalography data.
In addition to building on existing hypotheses about neural coding, the system will support machine learning
methods for fitting artificial neural network models using the same datasets. These large, data-driven models
have proven valuable for wide ranging signal processing problems, but their value and relation to existing
models for neural sensory processing remain to be explored.
Sensory processing involves coherent activity of large neural populations. To study coding at the population
level, the system will support models that characterize the simultaneous activity of multiple neural signals and
identifies latent subspaces of population activity related to sound encoding. Sensory coding is also influenced
by behavioral context, reflecting changes in behavioral demands and the more general environment. The
system will incorporate behavioral state variables into models, where encoding properties can be modulated by
changes in behavioral context.
项目总结
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Stephen V David其他文献
Characterization of local invariances in the ascending ferret auditory system
- DOI:
10.1186/1471-2202-15-s1-p170 - 发表时间:
2014-07-21 - 期刊:
- 影响因子:2.300
- 作者:
Jean F Lienard;Stephen V David;Alexander G Dimitrov - 通讯作者:
Alexander G Dimitrov
Invariance to frequency and time dilation along the ascending ferret auditory system
- DOI:
10.1186/1471-2202-16-s1-p51 - 发表时间:
2015-12-18 - 期刊:
- 影响因子:2.300
- 作者:
Alexander G Dimitrov;Jean F Lienard;Zachary Schwartz;Stephen V David - 通讯作者:
Stephen V David
Stephen V David的其他文献
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{{ truncateString('Stephen V David', 18)}}的其他基金
Dynamic neural coding of spectro-temporal sound features during free movement
自由运动时谱时声音特征的动态神经编码
- 批准号:
10656110 - 财政年份:2023
- 资助金额:
$ 8.04万 - 项目类别:
Sound encoding by neural populations in auditory cortex during behavior
行为过程中听觉皮层神经群的声音编码
- 批准号:
10845713 - 财政年份:2016
- 资助金额:
$ 8.04万 - 项目类别:
Top-down control of auditory processing in the cortico-collicular network (Administrative Supplement)
皮质-皮质网络中听觉处理的自上而下控制(行政补充)
- 批准号:
9385957 - 财政年份:2016
- 资助金额:
$ 8.04万 - 项目类别:
Top-down control of auditory processing in the cortico-collicular network
皮质-丘脑网络中听觉处理的自上而下控制
- 批准号:
9207441 - 财政年份:2016
- 资助金额:
$ 8.04万 - 项目类别:
Sound encoding by neural populations in auditory cortex during behavior
行为过程中听觉皮层神经群的声音编码
- 批准号:
10671464 - 财政年份:2016
- 资助金额:
$ 8.04万 - 项目类别:
Sound encoding by neural populations in auditory cortex during behavior
行为过程中听觉皮层神经群的声音编码
- 批准号:
10302718 - 财政年份:2016
- 资助金额:
$ 8.04万 - 项目类别:
Sound encoding by neural populations in auditory cortex during behavior
行为过程中听觉皮层神经群的声音编码
- 批准号:
10428663 - 财政年份:2016
- 资助金额:
$ 8.04万 - 项目类别:
Auditory signal enhancement and multisensory integration in cerebral cortex during behavior (Administrative supplement)
行为过程中大脑皮层听觉信号增强和多感觉整合(行政补充)
- 批准号:
8843647 - 财政年份:2014
- 资助金额:
$ 8.04万 - 项目类别:
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