Bi-Modal Chemical and Mechanical Signal Detection

双模态化学和机械信号检测

• 批准号: 9723542
• 负责人: Jelle Atema
• 金额: $ 20.5万
• 依托单位: Trustees of Boston University
• 依托单位国家: 美国
• 项目类别: Continuing grant
• 财政年份: 1997
• 资助国家: 美国
• 起止时间: 1997-09-15 至 2000-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9723542&HistoricalAwards=false
• 关键词: Bi; Modal; Chemical; Mechanical; Signal

IBN: 9723542 PI: ATEMA Smell and taste are senses that detect chemicals in the environment, but they do not work in isolation. In the aquatic environment with high viscosity compared to air, chemical "plumes" are carried in currents and can have complex spatial and temporal structure over long distances. Animals in the water are subject to hydrodynamic stimulation by water currents as well, and it is largely unknown how the tactile stimulation from a swift current may affect the chemosensory input, compared to the same chemosensory signal in gently drifting water. This project uses a multidisciplinary approach incorporating hydrodynamics, ultrastructural anatomy and electrophysiology on a crustacean as a model invertebrate chemosensory system. Morphological types of sensory cells in the appendages such as the antenna will be identified, and tested for physiological sensitivity to combinations of chemosensory signals and mechanosensory stimuli. Results will help determine how peripheral integration of multimodal signals might occur, will be important beyond chemosensory science to sensory neuroscience in general, and will have potential applications for technological development of robotic sensory devices.

IBN：9723542 PI：ATEMA 嗅觉和味觉是检测环境中化学物质的感官，但它们并不是孤立地起作用的。 在与空气相比粘度较高的水生环境中，化学“羽流”随水流流动，在长距离上可能具有复杂的空间和时间结构。 水中的动物也会受到水流的流体动力学刺激，与轻轻漂流的水中的相同化学感觉信号相比，来自斯威夫特卡伦特的触觉刺激如何影响化学感觉输入在很大程度上是未知的。 本计画以甲壳类动物为模型，结合流体力学、超微结构解剖学及电生理学等多学科的研究方法，探讨无脊椎动物的化学感受系统。 将识别附属物（如触角）中感觉细胞的形态类型，并测试对化学感觉信号和机械感觉刺激组合的生理敏感性。 结果将有助于确定如何外周整合的多模态信号可能会发生，将是重要的化学感觉科学以外的感觉神经科学一般，并将有潜在的应用机器人感觉设备的技术发展。