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Related papers: Odor recognition and segmentation by a model olfac…

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The vibrational theory of olfaction was posited to explain subtle effects in the sense of smell inexplicable by models in which molecular structure alone determines an odorant's smell. Amazingly, behavioral and neurophysiological evidence…

Biological Physics · Physics 2019-05-01 Nishattasnim Liza , Enrique P. Blair

We explore a suite of generative modelling techniques to efficiently navigate and explore the complex landscapes of odor and the broader chemical space. Unlike traditional approaches, we not only generate molecules but also predict the odor…

Machine Learning · Computer Science 2025-02-03 Mrityunjay Sharma , Sarabeshwar Balaji , Pinaki Saha , Ritesh Kumar

Here we introduce the Olfactory Perception (OP) benchmark, designed to assess the capability of large language models (LLMs) to reason about smell. The benchmark contains 1,010 questions across eight task categories spanning odor…

Computation and Language · Computer Science 2026-04-02 Eftychia Makri , Nikolaos Nakis , Laura Sisson , Gigi Minsky , Leandros Tassiulas , Vahid Satarifard , Nicholas A. Christakis

Odor sensory evaluation has a broad application in food, clothing, cosmetics, and other fields. Traditional artificial sensory evaluation has poor repeatability, and the machine olfaction represented by the electronic nose (E-nose) is…

Artificial Intelligence · Computer Science 2023-11-27 Xiuxin Xia , Yuchen Guo , Yanwei Wang , Yuchao Yang , Yan Shi , Hong Men

Odor-based Molecular Communication (OMC) employs odor molecules to convey information, contributing to the realization of the Internet of Everything (IoE) vision. Despite this, the practical deployment of OMC systems is currently limited by…

Signal Processing · Electrical Eng. & Systems 2026-02-03 Ahmet B. Kilic , Fatih E. Bilgen , Ozgur B. Akan

The human brain encodes stimuli from the environment into representations that form a sensory perception of the world. Despite recent advances in understanding visual and auditory perception, olfactory perception remains an under-explored…

Machine Learning · Computer Science 2024-11-06 Farzaneh Taleb , Miguel Vasco , Antônio H. Ribeiro , Mårten Björkman , Danica Kragic

Molecular odor prediction has great potential across diverse fields such as chemistry, pharmaceuticals, and environmental science, enabling the rapid design of new materials and enhancing environmental monitoring. However, current methods…

Machine Learning · Computer Science 2025-02-04 HongXin Xie , JianDe Sun , Yi Shao , Shuai Li , Sujuan Hou , YuLong Sun , Yuxiang Liu

Humankind mimics the processes and strategies that nature has perfected and uses them as a model to address its problems. That has recently found a new direction, i.e., a novel communication technology called molecular communication (MC),…

Signal Processing · Electrical Eng. & Systems 2023-11-30 Dilara Aktas , Beyza Ezgi Ortlek , Meltem Civas , Elham Baradari , Ayse Sila Okcu , Melanie Whitfield , Oktay Cetinkaya , Ozgur Baris Akan

In the olfactory system, odor percepts retain their identity despite substantial variations in concentration, timing, and background. We propose a novel strategy for encoding intensity-invariant stimuli identity that is based on…

Neurons and Cognition · Quantitative Biology 2016-09-09 Daniel Kepple , Hamza Giaffar , Dmitry Rinberg , Alexei Koulakov

Sensory hair cells in auditory and vestibular organs rely on active mechanisms to achieve high sensitivity and frequency selectivity. Recent experimental studies have documented self-sustained oscillations in hair cells of lower vertebrates…

Biological Physics · Physics 2012-09-28 Rami Amro , Alexander B. Neiman

This study investigates the dynamics of non-spatial specializations in hippocampal place cells during exposure to novel environments. Hippocampal place cells, known for their role in spatial mapping, exhibit multi-modal responses to sensory…

Navigation by scent is a capability in robotic systems that is rising in demand. However, current methods often suffer from ambiguities, particularly when robots misattribute odours to incorrect objects due to limitations in olfactory…

Robotics · Computer Science 2025-09-23 Kordel K. France , Ovidiu Daescu

As put forward by neuroscientists, the mechanisms of consciousness can be elucidated by revealing correlations between neural dynamics and specific conscious percepts. Recently, I have elaborated on the mathematical formulation for a system…

Neurons and Cognition · Quantitative Biology 2019-09-10 Pavel Kraikivski

Predicting odor's pleasantness simplifies the evaluation of odors and has the potential to be applied in perfumes and environmental monitoring industry. Classical algorithms for predicting odor's pleasantness generally use a manual feature…

Machine Learning · Computer Science 2019-03-20 Danli Wu , Yu Cheng , Dehan Luo , Kin-Yeung Wong , Kevin Hung , Zhijing Yang

Public olfaction datasets are small and fragmented across single molecules and mixtures, limiting learning of generalizable odor representations. Recent works either learn single-molecule embeddings or address mixtures via similarity or…

Machine Learning · Computer Science 2026-01-28 Dayoung Kang , JongWon Kim , Jiho Park , Keonseock Lee , Ji-Woong Choi , Jinhyun So

It was observed before that due to convergence in the olfactory system a possible amplification can be as large as the degree of convergence. This is in the case when a single impulse from the converging inputs is enough to trigger the…

Neurons and Cognition · Quantitative Biology 2019-01-28 Alexander Vidybida

Fruit flies are established model systems for studying olfactory learning as they will readily learn to associate odors with both electric shock or sugar rewards. The mechanisms of the insect brain apparently responsible for odor learning…

Machine Learning · Computer Science 2025-01-09 Jinyung Hong , Theodore P. Pavlic

In this paper, we propose a novel concept for engineered molecular communication (MC) systems inspired by animal olfaction. We focus on a multi-user scenario where several transmitters wish to communicate with a central receiver. We assume…

Information Theory · Computer Science 2022-03-09 Vahid Jamali , Helene M. Loos , Andrea Buettner , Robert Schober , H. Vincent Poor

Olfactory search in turbulent environments is a sensorimotor challenge solved with remarkable efficiency by many animals, yet replicating this ability in artificial systems remains difficult because detections are intermittent and wind…

While visual and auditory information conveyed by wavelength of light and frequency of sound have been decoded, predicting olfactory information encoded by the combination of odorants remains challenging due to the unknown and potentially…

Machine Learning · Computer Science 2023-05-23 Mengji Zhang , Yusuke Hiki , Akira Funahashi , Tetsuya J. Kobayashi