Identifying, manipulating, and studying a complete sensory-to-motor model behavior circuit

识别、操作和研究完整的感觉到运动模型行为回路

基本信息

  • 批准号:
    10449063
  • 负责人:
  • 金额:
    $ 10万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2018
  • 资助国家:
    美国
  • 起止时间:
    2018-09-30 至 2023-07-31
  • 项目状态:
    已结题

项目摘要

PROJECT SUMMARY We are requesting supplemental funds to obtain and apply transformative, recently validated methods to identify and study the neural correlates of behavior. How does the brain transform sensory information into complex behavior? The objective of the parent proposal is to identify the relevant neurons across the brain that are necessary to produce a relatively simple motivated behavior to study and identify fundamental principles underlying coding. Sensory-to- behavior circuits contain a variety of neural computations such as those that determine the identity and meaning of the sensed cues, gauge internal state, remember previous experience, and command muscle action. In the parent proposal we aim to identify and study an entire circuit from sensation across the brain to motor output. The original RFA called for the ability to leverage and study neural dynamics. At the time of the funding of the parent grant, we proposed to monitor brain-wide activity using cFos as a proxy, however this only provides a snapshot of an instant of brain activity in post-mortem animals. We complemented this approach with in vivo imaging of GCaMP activity by fiber photometry in awake behaving animals. This method reveals neural dynamics over seconds but is limited to image a small subset of the brain. Though these methods were state of the art at the time, they are both low through-put to implement and do not provide neural dynamics across the whole brain. Recently, functional ultrasound imaging (fUSi) has been validated to report dynamic images of the entire mouse brain (4 times/second) with a resolution of at least 100um. Dynamic, whole brain, high resolution imagine is truly transformative. fUSi is relatively easy and low-cost which will reduce resources including personnel, animals, and time. It will not just be faster and easier; we will learn more. We expect the additional information provided by fUSi to increase the confidence and scope of our conclusions. This will enable unprecedented activity profiles to inform all of our original aims including identifying key neural circuits and nodes, information flow within nodes and across the brain, and the change in activity with development and experience in and across individuals. Moreover, dynamic brain wide activity correlated with behavior will increase our ability to generate reliable models of information coding. Better models are expected to provide new, testable hypothesis that will benefit our understanding of information coding of sensory and social behavior and of brain function in general. An administrative supplement to implement this approach will result in more rapid achievement of our aims and better facilitate the goals of the initial RFA.
项目摘要 我们正在申请补充资金,以获得和应用变革,最近验证 识别和研究行为的神经相关性的方法。大脑如何转变 将感官信息转化为复杂的行为母提案的目的是确定 大脑中的相关神经元,这些神经元是产生相对简单的 有动机的行为,以研究和确定编码的基本原则。感官- 行为电路包含各种神经计算,例如那些确定 感知线索的身份和意义,衡量内部状态,记住以前的经验, 并控制肌肉活动。在母提案中,我们的目标是确定和研究一个完整的 从大脑的感觉到运动输出的回路。最初的RFA要求能够 利用和研究神经动力学。在资助父母补助金的时候,我们建议 使用cFos作为代理来监测全脑活动,然而这仅提供了 动物死后大脑活动的瞬间我们补充了这种方法, 在清醒行为动物中通过纤维光度法对GCaMP活性成像。该方法揭示了 神经动力学,但仅限于对大脑的一小部分进行成像。虽然这些 这些方法在当时是最先进的,但它们实现起来都很低,而且不 在整个大脑中提供神经动力学。最近,功能超声成像(fUSi) 已经被验证可以报告整个小鼠大脑的动态图像(4次/秒), 分辨率至少为100 um。动态的,全脑的,高分辨率的想象, 变革fUSi相对容易且成本低,这将减少资源,包括 动物,动物,时间。它不仅会更快、更容易,我们还会学到更多。我们预计 fUSi提供的额外信息,以增加我们的信心和范围 结论.这将使前所未有的活动概况能够告知我们所有的原始目标 包括识别关键的神经回路和节点,节点内和节点之间的信息流, 大脑,以及随着个体内部和个体之间的发展和经验而发生的活动变化。 此外,与行为相关的动态大脑活动将增加我们的能力, 生成可靠的信息编码模型。更好的模型有望提供新的, 可检验的假设,这将有助于我们理解的信息编码的感觉和 社会行为和大脑功能。一个行政补充,以实现这一点 这种方法将导致更快地实现我们的目标,并更好地促进《联合国宪章》的目标。 初始RFA。

项目成果

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LISA STOWERS其他文献

LISA STOWERS的其他文献

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{{ truncateString('LISA STOWERS', 18)}}的其他基金

2023 Modulation of Neural Circuits and Behavior Gordon Research Conference & Gordon Research Seminar
2023年神经回路与行为调节戈登研究会议
  • 批准号:
    10682921
  • 财政年份:
    2023
  • 资助金额:
    $ 10万
  • 项目类别:
2019 Modulation of Neural Circuits and Behavior Gordon Research Conference and Gordon Research Seminar
2019神经回路与行为调节戈登研究会议暨戈登研究研讨会
  • 批准号:
    9760082
  • 财政年份:
    2019
  • 资助金额:
    $ 10万
  • 项目类别:
Identifying, manipulating, and studying a complete sensory-to-motor model behavior circuit
识别、操作和研究完整的感觉到运动模型行为回路
  • 批准号:
    9789709
  • 财政年份:
    2018
  • 资助金额:
    $ 10万
  • 项目类别:
Identifying, manipulating, and studying a complete sensory-to-motor model behavior circuit
识别、操作和研究完整的感觉到运动模型行为回路
  • 批准号:
    9982441
  • 财政年份:
    2018
  • 资助金额:
    $ 10万
  • 项目类别:
Identifying, manipulating, and studying a complete sensory-to-motor model behavior circuit
识别、操作和研究完整的感觉到运动模型行为回路
  • 批准号:
    10224770
  • 财政年份:
    2018
  • 资助金额:
    $ 10万
  • 项目类别:
Identifying, manipulating, and studying a complete sensory-to-motor model behavior circuit
识别、操作和研究完整的感觉到运动模型行为回路
  • 批准号:
    10457850
  • 财政年份:
    2018
  • 资助金额:
    $ 10万
  • 项目类别:
Stress modulation of olfactory sensation
嗅觉的压力调节
  • 批准号:
    10055972
  • 财政年份:
    2016
  • 资助金额:
    $ 10万
  • 项目类别:
Identification of the ligands and sensory neurons that mediate pheromone behavior
介导信息素行为的配体和感觉神经元的鉴定
  • 批准号:
    8015230
  • 财政年份:
    2009
  • 资助金额:
    $ 10万
  • 项目类别:
Identification of the ligands and sensory neurons that mediate pheromone behavior
介导信息素行为的配体和感觉神经元的鉴定
  • 批准号:
    7763175
  • 财政年份:
    2009
  • 资助金额:
    $ 10万
  • 项目类别:
Identification of the ligands and sensory neurons that mediate pheromone behavior
介导信息素行为的配体和感觉神经元的鉴定
  • 批准号:
    8213699
  • 财政年份:
    2009
  • 资助金额:
    $ 10万
  • 项目类别:

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