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中文摘要
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7.项目概要/摘要。 在哺乳动物的大脑中,早期的感觉区域被组织成刺激质量的刻板地图。的 这些感觉地图的解剖特征是神经元计算和信息处理的基础 这些对于产生适当的感知体验和行为至关重要。在哺乳动物的嗅觉中 表达相同气味受体的系统初级嗅觉感觉神经元(OSN)会聚它们的轴突 嗅球中的岛状球状结构。球中的二尖瓣/簇状细胞接受 这些神经元仅从单个肾小球输入,但它们以不同的输出模式投射到不同的皮质区。 也有广泛的皮质间连接,没有明显的解剖映射。得不好 我理解这种严格的趋同和隔离模式如何对处理 嗅觉信息和气味驱动的行为。也不知道皮层间神经元所起的作用 气味信息传递过程中的联系。在这个项目中,我们建立了一个多学科的方法, 确定皮质间连接对气味表征和感知的贡献。我们特别 将使用活动标记来确定各种皮质区域中气味的稳定表示,并测试 假设皮层间相互作用稳定气味表征。
英文摘要
7. Project Summary/Abstract. In the mammalian brain, early sensory areas are organized as stereotyped maps of stimulus qualities. The anatomical features of these sensory maps underlie the neuronal computations and information processing that are essential to generate appropriate perceptual experiences and behaviors. In the mammalian olfactory system primary olfactory sensory neurons (OSNs) expressing the same odorant receptor converge their axons into the same insular glomerular structure in the olfactory bulb. The mitral/tufted cells in the bulb received exclusively input from single glomeruli, but they project to various cortical areas with divergent output patterns. There are also extensive intercortical connections with no apparent anatomical mapping. It is not well understood how this pattern of strict convergence and segregation contributes materially to the processing of olfactory information and odor-driven behaviors. Nor is it understood the role played by the intercortical connections in the process of odor information. In this project, we establish a multi-disciplinary approach to determine the contribution of intercortical connections to odor representation and perception. Specifically, we will use activity marking to determine the stable representation of odors in various cortical areas and test the hypothesis that intercortical interactions stabilize odor representation.
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Role of anterior olfactory nucleus for multi-sensory integration in the olfactory system
  • 批准号:
    10589501
  • 项目类别:
  • 资助金额:
    $4.66万
  • 财政年份:
    2021
  • 负责人:
    Thomas A Cleland
  • 依托单位:
Role of anterior olfactory nucleus for multi-sensory integration in the olfactory system
  • 批准号:
    10295363
  • 项目类别:
  • 资助金额:
    $65.16万
  • 财政年份:
    2021
  • 负责人:
    Thomas A Cleland
  • 依托单位:
Role of anterior olfactory nucleus for multi-sensory integration in the olfactory system
  • 批准号:
    10634755
  • 项目类别:
  • 资助金额:
    $65.06万
  • 财政年份:
    2021
  • 负责人:
    Thomas A Cleland
  • 依托单位:
Circuit architecture and dynamics in odor representation and perception
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