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Neurobiological effects of odors and air quality during sleep

van Bergeyk, Thomas (2019) Neurobiological effects of odors and air quality during sleep. Bachelor's Thesis, Biology.


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In the human nose there are around 1000 different subtypes of olfactory receptors, which can detect a great amount of olfactory molecules. The human nose can detect two different kind of odors. The first kind: purely olfactory odors, only activate olfactory receptors and affect the olfactory neurons. The second kind: trigeminal odors, activate the trigeminal receptors as well as the olfactory receptors and are often considered as irritants. During wakefulness, olfactory stimulation is one input to the sensory system that elicits strong effects on emotions and memory. Whether olfactory stimulation elicits the same strong effects on emotions and memory during sleep remains not fully clear. This leads to the research question, what are the neurobiological effects of odors and air quality during sleep? The neurobiological effects of odors during sleep are that purely olfactory odors increases vigor in the morning as well as slow wave sleep. Olfactory stimulation could improve objective sleep quality by increasing sleep efficiency. Odors can also be used to make novel associations and improve memory consolidation during sleep. The neurobiological effects of air quality during sleep are that subjective sleep quality increases when the indoor air quality is good. The effective usage of a good ventilation system can help with good indoor air quality.

Item Type: Thesis (Bachelor's Thesis)
Supervisor nameSupervisor E mail
Degree programme: Biology
Thesis type: Bachelor's Thesis
Language: English
Date Deposited: 01 Jan 2019
Last Modified: 18 Jan 2019 15:10

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