Cortical Computations Underlying Planning, Generating, and Orchestrating Complex Cognitive-Motor Sequences
规划、生成和编排复杂认知运动序列的皮层计算
基本信息
- 批准号:10551724
- 负责人:
- 金额:$ 6.95万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2022
- 资助国家:美国
- 起止时间:2022-02-16 至 2025-02-15
- 项目状态:未结题
- 来源:
- 关键词:Activities of Daily LivingAffectAlgorithmsAmyotrophic Lateral SclerosisAreaBehaviorBrainBrain regionClinicalCognitiveCommunicationComplexDataData AnalysesDeep Brain StimulationDimensionsDiseaseDorsalDystoniaElectrodesElectrophysiology (science)EngineeringExcisionFeedbackGoalsHygieneInvestigationKnowledgeMeasurementMentorsMethodsModernizationMotorMotor CortexMotor NeuronsMovementMovement DisordersNational Institute of Neurological Disorders and StrokeNervous System TraumaNeural Network SimulationNeuronsNeurosciencesOutcomeOutputParkinson DiseasePopulationPopulation AnalysisPopulation DynamicsPrefrontal CortexPrivatizationProcessProductionPropertyProsthesisResearchSeriesSignal TransductionSiteSpecific qualifier valueSterile coveringsStructureSystemTestingTimeTooth structureTrainingUniversitiesWorkarmcomputer studiesdesigndynamic systemmotor controlmultidimensional datanervous system disordernetwork modelsneuralneural prosthesisnonhuman primatephysical sciencerecurrent neural networkresponsesegregationsuccesstheoriestherapeutic developmenttooltransmission process
项目摘要
Project Summary
Activities of daily living (e.g., brushing one’s teeth) require a slew of brain regions to rapidly coordinate their
responses to drive sequences of movements over long timescales. Recent progress resulting from applying
classical tools from physical science and engineering to develop theories regarding how neural activity evolves
across time has led to a number of new treatment options for movement disorders (e.g., motor prosthetics, deep
brain stimulation, etc.). Activities of daily living, however, require production of complex cognitive-motor
sequences. For example, motor cortex, which is the primary site for a large number of investigations for neural
prosthetics applications, is only sensitive to the upcoming movement. Even a simple movement involving two
arm reaches performed in succession, requires input from upstream brain regions. Thus, if we hope to restore
the ability to orchestrate long timescale actions, we need to expand our scientific focus to study network-level
interactions between brain regions. Relevant upstream areas include the supplementary motor area (SMA),
which has been implicated in tracking and coordinating action sequences, and dorsolateral prefrontal cortex
(dlPFC), which has been hypothesized to specify the correct order in which movements should be performed.
Despite decades of research in the function of these areas, we still lack a concrete theory that describes the
computations of these areas, characterizes their interactions, and proposes a mechanism of how they work
together to orchestrate movement sequences. This project will attempt to fill this gap.
This project will test the central hypothesis that movement sequences arise from the coordinated action
of cortical regions that divide computational labor in specific ways. In particular, this project will investigate two
fundamental questions. First, how does the brain (hypothesis: dlPFC) choose the right order in which to perform
a movement sequence. Second, how does a brain area upstream of motor cortex (hypothesis: SMA) convert an
abstract sequence of actions into movement commands that can be transmitted downstream in the right way at
the right time. This project will test these hypotheses through a combination of developing a complex cognitive-
motor task, acquiring large-scale simultaneously recorded measurements of neural activity using state-of-the-art
electrophysiology tools, performing high-dimensional data analysis, and developing sophisticated neural network
models of interacting brain regions. This project will facilitate direct interdisciplinary interactions between
experimental motor neurophysiologist and theoretical neuroscientists at Columbia University. Moreover, the
long-term objectives of this proposal will contribute to the core goal of NINDS by acquiring fundamental
knowledge about movement control as it relates to development of therapeutics.
The outcome of this project will result in key computational principles that underlie how the interaction
between cortical regions gives rise to our ability to plan, orchestrate, and guide movements over long timescales.
项目总结
项目成果
期刊论文数量(0)
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专利数量(0)
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Saurabh Vyas其他文献
Saurabh Vyas的其他文献
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{{ truncateString('Saurabh Vyas', 18)}}的其他基金
Cortical computations underlying planning, generating, and orchestrating complex cognitive-motor sequences
皮层计算是规划、生成和编排复杂认知运动序列的基础
- 批准号:
10349938 - 财政年份:2022
- 资助金额:
$ 6.95万 - 项目类别:
Neural dynamics and adaption for brain machine interface control
脑机接口控制的神经动力学和适应
- 批准号:
9765066 - 财政年份:2017
- 资助金额:
$ 6.95万 - 项目类别:
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