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Updated: Jun 2, 2026
06:21
Miniscope Recording Calcium Signals at Hippocampus of Mice Navigating an Odor Plume
Published on: September 20, 2024
Mammalian odour-guided navigation behaviour and neural processing in relation to the odour environment
Ankita Gumaste1,2,3, Maggie M Oumov2, Samuel Sutton4
1Interdepartmental Neuroscience Program, Yale University, New Haven, CT, 06510, USA.
Summary
Animals use their sense of smell to navigate complex odor landscapes. This review explores how airborne odor plume properties guide mammalian olfactory search behavior and survival.
Area of Science:
- Olfactory neuroscience
- Animal behavior
- Fluid dynamics
Background:
- Animal survival relies heavily on olfaction for locating resources and avoiding threats.
- Navigating complex odor landscapes with airborne odor plumes presents challenges and opportunities for searching animals.
Purpose of the Study:
- To review how mammalian odor-based navigation is influenced by the properties of airborne odor plumes.
- To summarize recent findings on the relationship between odor plume characteristics and olfactory search strategies.
Main Methods:
- Review of recent studies utilizing advancements in fluid dynamics for measuring airborne odor plumes.
- Analysis of how odor plume properties, such as intermittency, inform olfactory search behavior.
- Examination of olfactory processing within the olfactory bulb related to odor plume information.
Main Results:
- Odor plume structure changes with distance, offering navigational cues.
- Intermittency in odor plumes is a key property guiding olfactory search.
- Early olfactory processing encodes intermittency, adaptable through active sampling.
Conclusions:
- Mammalian olfactory navigation critically depends on understanding airborne odor plume properties.
- Odor plume characteristics provide essential information for successful foraging, mate location, and predator avoidance.
- Future research should continue exploring the interplay between fluid dynamics, olfactory processing, and animal behavior.
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