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相关概念视频

Physiology of Smell and Olfactory Pathway01:20

Physiology of Smell and Olfactory Pathway

12.1K
Humans detect odors with the help of specialized cells located in the upper part of the nasal cavity, called olfactory receptor neurons (ORNs). ORNs possess hair-like structures called cilia, which are receptive to sensations from the inhaled air. When an odorant molecule binds to a specific receptor on the cell of the cilia, it leads to a series of events that ultimately cause the ORN to send electrical signals to the olfactory bulb in the brain through the olfactory nerves.
The olfactory...
12.1K
Olfaction01:25

Olfaction

48.0K
The sense of smell is achieved through the activities of the olfactory system. It starts when an airborne odorant enters the nasal cavity and reaches olfactory epithelium (OE). The OE is protected by a thin layer of mucus, which also serves the purpose of dissolving more complex compounds into simpler chemical odorants. The size of the OE and the density of sensory neurons varies among species; in humans, the OE is only about 9-10 cm2.
The olfactory receptors are embedded in the cilia of the...
48.0K
Olfactory Receptors: Location and Structure01:03

Olfactory Receptors: Location and Structure

11.1K
The process of olfaction, also known as the sense of smell, is a sophisticated chemical response system. The specialized sensory neurons that facilitate this process, known as olfactory receptor neurons, are situated in an upper segment of the nasal cavity, known as the olfactory epithelium. Olfactory sensory neurons are bipolar, with their dendrites extending from the epithelium's apex into the mucus that lines the nasal cavity. Airborne molecules, when inhaled, traverse the olfactory...
11.1K

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相关实验视频

Updated: Jan 9, 2026

Constructing an Olfactometer for Rodent Olfactory Behavior Studies Near-Infrared Spectroscopy Hyperscanning Study in Psychological Counseling
08:36

Constructing an Olfactometer for Rodent Olfactory Behavior Studies Near-Infrared Spectroscopy Hyperscanning Study in Psychological Counseling

Published on: April 11, 2025

808

一个新的ergodic序列逻辑嗅觉灯泡模型,以实现硬件效率高的电子鼻子.

Reo Nagumo, Hiroyuki Torikai

    Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
    |December 3, 2025
    PubMed
    概括

    嗅球的一个新的ergodic序列逻辑 (ESL) 模型有效地模拟神经活动. 这种硬件效率高的模型对嗅觉假体和大规模的嗅觉系统模拟具有前途.

    科学领域:

    • 计算神经科学是一种神经科学.
    • 神经形态工程的神经形态工程
    • 生物医学工程 生物医学工程

    背景情况:

    • 嗅觉球体表现出复杂的周期性和混乱的振荡,这对于嗅觉处理至关重要.
    • 现有的模型,例如普通微分方程 (ODE) 模型,可能是计算密集型和硬件低效的.

    研究的目的:

    • 为嗅球引入一种新型的 ergodic 序列逻辑 (ESL) 模型.
    • 与传统的ODE模型相比,评估ESL模型的硬件效率和模拟能力.
    • 探索在可植入假体设备和嗅觉系统模拟器中的潜在应用.

    主要方法:

    • 开发了一种新的ergodic序列逻辑 (ESL) 模型.
    • 在现场可编程门阵列 (FPGA) 上实现ESL嗅觉灯泡模型.
    • 与基于ODE的嗅觉灯泡模型相比,硬件资源利用率和功耗的比较.

    主要成果:

    • 该ESL模型成功地重现了嗅球特有的周期性和混乱的振荡.
    • 与ODE模型相比,FPGA实现显示了显著更高的硬件效率,需要更少的电路元件和更低的功耗.
    • 该模型的性能表明其适用于实时应用程序和资源有限的环境.

    更多相关视频

    Olfactory Context Dependent Memory: Direct Presentation of Odorants
    04:47

    Olfactory Context Dependent Memory: Direct Presentation of Odorants

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    Using Insect Electroantennogram Sensors on Autonomous Robots for Olfactory Searches
    07:23

    Using Insect Electroantennogram Sensors on Autonomous Robots for Olfactory Searches

    Published on: August 4, 2014

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    相关实验视频

    Last Updated: Jan 9, 2026

    Constructing an Olfactometer for Rodent Olfactory Behavior Studies Near-Infrared Spectroscopy Hyperscanning Study in Psychological Counseling
    08:36

    Constructing an Olfactometer for Rodent Olfactory Behavior Studies Near-Infrared Spectroscopy Hyperscanning Study in Psychological Counseling

    Published on: April 11, 2025

    808
    Olfactory Context Dependent Memory: Direct Presentation of Odorants
    04:47

    Olfactory Context Dependent Memory: Direct Presentation of Odorants

    Published on: September 18, 2018

    7.0K
    Using Insect Electroantennogram Sensors on Autonomous Robots for Olfactory Searches
    07:23

    Using Insect Electroantennogram Sensors on Autonomous Robots for Olfactory Searches

    Published on: August 4, 2014

    23.7K

    结论:

    • 该ESL嗅觉灯泡模型提供了一个计算高效和硬件友好的方法来模拟嗅觉处理.
    • 这种新型模型对开发先进的可植入的嗅觉假肢设备具有重大潜力.
    • 该ESL模型可以作为一个硬件加速器,用于嗅觉系统的大规模模拟,推进研究和开发.