A Short Glance at the Role of Olfactory Tubercle in Odour Processing

ABSTRACT The mammalian olfactory system is one of the most precocious sensory systems during development and is innately endowed with versatile functions distinct from other sensory systems. Perception of time‐locked olfaction‐related stimuli quickly from the external environment and encoding them a...

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Veröffentlicht in:Flavour and fragrance journal 2025-01, Vol.40 (1), p.21-29
Hauptverfasser: Wang, Wenqiang, Wang, Haiping, Yang, Jian, Wang, Mengyue, Zhang, Pengbo, Zhu, Zheng, Wei, Liya, Zhong, Yanbiao, Zhang, Yun‐Feng
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container_end_page 29
container_issue 1
container_start_page 21
container_title Flavour and fragrance journal
container_volume 40
creator Wang, Wenqiang
Wang, Haiping
Yang, Jian
Wang, Mengyue
Zhang, Pengbo
Zhu, Zheng
Wei, Liya
Zhong, Yanbiao
Zhang, Yun‐Feng
description ABSTRACT The mammalian olfactory system is one of the most precocious sensory systems during development and is innately endowed with versatile functions distinct from other sensory systems. Perception of time‐locked olfaction‐related stimuli quickly from the external environment and encoding them accurately via the olfactory system is paramount for the survival and reproduction in the animal kingdom. The olfactory system of mammals encompasses the main and accessory parts. As one key component of the ventral striatum, the olfactory tubercle (OT), is also an important as well as indispensable sub‐region of the main olfactory system and plays a crucial role in the central processing of odours. The OT also serves as a hub linking the olfactory system with the reward system in the brain. Although extensive research has underscored the involvement of the ventral striatum in the reward and punishment process as well as motivational behaviour, the encoding mechanism of neural circuits engaged in odour detection and recognition by the OT is still largely unknown. Herein, we make a brief overview of the olfactory system and underscore the crucial role of olfactory receptors in odour detection. We also emphasize the structural and functional characterisations of the OT and corresponding neural circuits involved in odour processing. Schematic illustrating the neural pathway of the olfactory system and the olfactory tubercle‐related neural circuits involved in odour processing when rodents are engaged in natural odour perception, courtship, avoidance of predators, etc.
doi_str_mv 10.1002/ffj.3813
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Perception of time‐locked olfaction‐related stimuli quickly from the external environment and encoding them accurately via the olfactory system is paramount for the survival and reproduction in the animal kingdom. The olfactory system of mammals encompasses the main and accessory parts. As one key component of the ventral striatum, the olfactory tubercle (OT), is also an important as well as indispensable sub‐region of the main olfactory system and plays a crucial role in the central processing of odours. The OT also serves as a hub linking the olfactory system with the reward system in the brain. Although extensive research has underscored the involvement of the ventral striatum in the reward and punishment process as well as motivational behaviour, the encoding mechanism of neural circuits engaged in odour detection and recognition by the OT is still largely unknown. Herein, we make a brief overview of the olfactory system and underscore the crucial role of olfactory receptors in odour detection. We also emphasize the structural and functional characterisations of the OT and corresponding neural circuits involved in odour processing. 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subjects Circuits
Coding
Environmental effects
Functional morphology
Information processing
Mammals
Neostriatum
neural circuits
Neural coding
Neural networks
Odor recognition
Odorant receptors
Odors
odour detection
odour processing
Olfaction
Olfactory bulb
Olfactory pathways
Olfactory system
olfactory tubercle
Sensory evaluation
Sensory integration
Sensory systems
Structure-function relationships
Temporal perception
title A Short Glance at the Role of Olfactory Tubercle in Odour Processing
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