Neural Circuitry for Stress Information of Environmental and Internal Odor Worlds
In mammals, odor information detected in the olfactory epithelium is converted to a topographic map of activated glomeruli in the olfactory bulb. Odor signals are then conveyed by projection neurons to the olfactory cortex for decision making. Odor information is processed by two distinct pathways,...
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| Format: | Article |
| Language: | English |
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Frontiers Media S.A.
2022-06-01
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| Series: | Frontiers in Behavioral Neuroscience |
| Subjects: | |
| Online Access: | https://www.frontiersin.org/articles/10.3389/fnbeh.2022.943647/full |
| _version_ | 1818239992016666624 |
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| author | Kensaku Mori Hitoshi Sakano |
| author_facet | Kensaku Mori Hitoshi Sakano |
| author_sort | Kensaku Mori |
| collection | DOAJ |
| description | In mammals, odor information detected in the olfactory epithelium is converted to a topographic map of activated glomeruli in the olfactory bulb. Odor signals are then conveyed by projection neurons to the olfactory cortex for decision making. Odor information is processed by two distinct pathways, one is innate and the other is learned, which are separately activated during exhalation and inhalation, respectively. There are two types of odor signals, exteroceptive and interoceptive, which are also processed in different phases of respiration. Exteroceptive sensory information whether attractive/pleasant or aversive/stressful, is evaluated by the valence regions in the amygdala. Stress is an alert signal telling the body to take an action so that the normal condition can be recovered. When the odor quality is negative, the brain sets up a behavioral strategy to avoid the danger or to improve the situation. In this review article, we will describe the recent progress in the study of olfactory perception focusing on stress responses to external and internal odors. |
| first_indexed | 2024-12-12T13:06:21Z |
| format | Article |
| id | doaj.art-50d87119308b46dab4fd91153c8fb9fc |
| institution | Directory Open Access Journal |
| issn | 1662-5153 |
| language | English |
| last_indexed | 2024-12-12T13:06:21Z |
| publishDate | 2022-06-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Behavioral Neuroscience |
| spelling | doaj.art-50d87119308b46dab4fd91153c8fb9fc2022-12-22T00:23:38ZengFrontiers Media S.A.Frontiers in Behavioral Neuroscience1662-51532022-06-011610.3389/fnbeh.2022.943647943647Neural Circuitry for Stress Information of Environmental and Internal Odor WorldsKensaku Mori0Hitoshi Sakano1RIKEN Center for Brain Science, Wako, JapanDepartment of Brain Function, School of Medical Sciences, University of Fukui, Fukui, JapanIn mammals, odor information detected in the olfactory epithelium is converted to a topographic map of activated glomeruli in the olfactory bulb. Odor signals are then conveyed by projection neurons to the olfactory cortex for decision making. Odor information is processed by two distinct pathways, one is innate and the other is learned, which are separately activated during exhalation and inhalation, respectively. There are two types of odor signals, exteroceptive and interoceptive, which are also processed in different phases of respiration. Exteroceptive sensory information whether attractive/pleasant or aversive/stressful, is evaluated by the valence regions in the amygdala. Stress is an alert signal telling the body to take an action so that the normal condition can be recovered. When the odor quality is negative, the brain sets up a behavioral strategy to avoid the danger or to improve the situation. In this review article, we will describe the recent progress in the study of olfactory perception focusing on stress responses to external and internal odors.https://www.frontiersin.org/articles/10.3389/fnbeh.2022.943647/fullolfactory perceptionduplicated glomerular mapsexteroceptive and interoceptive odorsinhalation and exhalationinnate vs. learned decisionsolfactory stress signals |
| spellingShingle | Kensaku Mori Hitoshi Sakano Neural Circuitry for Stress Information of Environmental and Internal Odor Worlds Frontiers in Behavioral Neuroscience olfactory perception duplicated glomerular maps exteroceptive and interoceptive odors inhalation and exhalation innate vs. learned decisions olfactory stress signals |
| title | Neural Circuitry for Stress Information of Environmental and Internal Odor Worlds |
| title_full | Neural Circuitry for Stress Information of Environmental and Internal Odor Worlds |
| title_fullStr | Neural Circuitry for Stress Information of Environmental and Internal Odor Worlds |
| title_full_unstemmed | Neural Circuitry for Stress Information of Environmental and Internal Odor Worlds |
| title_short | Neural Circuitry for Stress Information of Environmental and Internal Odor Worlds |
| title_sort | neural circuitry for stress information of environmental and internal odor worlds |
| topic | olfactory perception duplicated glomerular maps exteroceptive and interoceptive odors inhalation and exhalation innate vs. learned decisions olfactory stress signals |
| url | https://www.frontiersin.org/articles/10.3389/fnbeh.2022.943647/full |
| work_keys_str_mv | AT kensakumori neuralcircuitryforstressinformationofenvironmentalandinternalodorworlds AT hitoshisakano neuralcircuitryforstressinformationofenvironmentalandinternalodorworlds |