Development and analysis of an artificial olfactory bulb.

Talanta

School of Microelectronic and Communication Engineering, Chongqing University, 400044, Chongqing, China.

Published: November 2024

AI Article Synopsis

  • The article discusses the creation of an artificial olfactory bulb using an electronic nose that incorporates thermally modulated metal-oxide sensors, designed to mimic how animal olfactory bulbs function.
  • This innovative approach improves the classification abilities of electronic noses by replicating the spatial encoding patterns seen in animal glomeruli clusters.
  • The addition of a short axon cell network enhances the artificial bulb's performance through lateral inhibition, leading to better olfactory sensitivity and efficiency.

Article Abstract

This article presents the development of an artificial olfactory bulb (OB) using an electronic nose with thermally modulated metal-oxide sensors. Inspired by animal OBs, our approach employs thermal modulation to replicate the spatial encoding patterns of glomeruli clusters and subclusters. This new approach enhances the classification capabilities of traditional electronic noses and offers new insights for biomimetic olfaction. Molecular receptive range (MRR) analysis confirms that our artificial OB effectively mimics the glomerular distribution of animal OBs. Additionally, the incorporation of a short axon cell (SAC) network, inspired by the animal olfactory system, significantly improves lifetime sparseness and qualitative ability of the artificial OB through extensive lateral inhibition, providing a theoretical framework for enhanced olfactory performance.

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Source
http://dx.doi.org/10.1016/j.talanta.2024.126551DOI Listing

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