Olfactory aversive conditioning during sleep reduces cigarette-smoking behavior
Anat Arzi1, Yael Holtzman2, Perry Samnon2
1Department of Neurobiology, Weizmann Institute of Science, Rehovot, 7610001 Israel Anat.arzi@gmail.com.
Summary
Learning associations during sleep can reduce smoking. Olfactory aversive conditioning during sleep significantly decreased cigarette consumption for several days, particularly during stage 2 sleep.
Area of Science:
- Neuroscience
- Sleep Science
- Behavioral Psychology
Background:
- Novel associations can be learned during sleep.
- The impact of sleep-based associative learning on waking behavior and its duration is not well understood.
Purpose of the Study:
- To investigate if olfactory aversive conditioning during sleep can alter subsequent cigarette-smoking behavior.
- To determine the duration of any behavioral changes induced by sleep-based conditioning.
Main Methods:
- 66 participants aiming to quit smoking underwent olfactory aversive conditioning during sleep (stage 2 and REM sleep) or wakefulness.
- Conditioning involved pairing cigarette odor with unpleasant odors.
- Smoking behavior was tracked via daily diaries for 7 days before and after the conditioning protocol.
Main Results:
- Olfactory aversive conditioning during sleep significantly reduced smoking, unlike conditioning during wakefulness.
- Conditioning during stage 2 sleep led to a greater and longer-lasting reduction in smoking (34.4%) compared to REM sleep (11.9%).
- The observed reduction in smoking was significantly greater than in control experiments using unpaired odors or odors alone.
Conclusions:
- A single night of olfactory aversive conditioning during sleep effectively reduces cigarette-smoking behavior.
- The effectiveness of this sleep-based intervention is dependent on the sleep stage.
- The observed reduction in smoking behavior persisted for several days post-conditioning.
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