Reciprocal relationships between sleep and smell

Despite major anatomical differences with other mammalian sensory systems, olfaction shares with those systems a modulation by sleep/wake states. Sleep modulates odor sensitivity and serves as an important regulator of both perceptual and associative odor memory. In addition, however, olfaction also...

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Bibliographic Details
Published in:Frontiers in neural circuits 2022-12, Vol.16, p.1076354-1076354
Main Authors: Gaeta, Giuliano, Wilson, Donald A
Format: Article
Language:English
Subjects:
Alzheimer's disease
Animals
Arousal
Eye movements
fragrance
Hypothalamus
Information storage
insomnia
Latency
Mammals
memory
Metabolism
Neural Circuits
Odor
odor perception
Odorants
Olfaction
Olfactory Pathways
Olfactory Perception
Olfactory system
Sensory evaluation
Sensory systems
Sleep
Sleep and wakefulness
Sleep disorders
Smell
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Summary:Despite major anatomical differences with other mammalian sensory systems, olfaction shares with those systems a modulation by sleep/wake states. Sleep modulates odor sensitivity and serves as an important regulator of both perceptual and associative odor memory. In addition, however, olfaction also has an important modulatory impact on sleep. Odors can affect the latency to sleep onset, as well as the quality and duration of sleep. Olfactory modulation of sleep may be mediated by direct synaptic interaction between the olfactory system and sleep control nuclei, and/or indirectly through odor modulation of arousal and respiration. This reciprocal interaction between sleep and olfaction presents novel opportunities for sleep related modulation of memory and perception, as well as development of non-pharmacological olfactory treatments of simple sleep disorders.
ISSN:1662-5110
1662-5110
DOI:10.3389/fncir.2022.1076354