This is the inability of a person to perceive a specific odor after prolonged contact with molecules of odorous substances. This is due to the gradual loss of sensitivity of olfactory receptor cells after prolonged contact or we can call sensory adaptation.
Olfactory fatigue is an adaptive process by the brain to prevent overloading of two of the many sensory inputs in olfactory memory.
Thus, it blocks the sensitivity of olfactory receptors in the nasal mucosa to the molecules of odorants to which they are normally exposed, allowing new neural pathways to be created to newly acquired stimuli to which they are exposed. cell change).
The brain's blockade of olfactory receptor sensitivity therefore explains the lack of perception after prolonged exposure.
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