Related Experiment Videos
The interaction of smoking and noise on temporary threshold shifts
H A Dengerink1, F L Lindgren, A Axelsson
1Department of Psychology, Washington State University, Vancouver.
Acta Oto-Laryngologica
|November 1, 1992
Summary
Smokers experience less temporary threshold shift (TTS) after noise exposure compared to non-smokers. These findings suggest smoking
Area of Science:
- Audiology
- Occupational Health
Background:
- Noise exposure can cause temporary threshold shifts (TTS), affecting hearing sensitivity.
- Cigarette smoking's impact on auditory function, particularly TTS, requires further investigation.
Purpose of the Study:
- To investigate the effects of cigarette smoking on temporary threshold shifts (TTS) following noise exposure.
- To differentiate the roles of nicotine and carbon monoxide in modulating TTS.
Main Methods:
- Four experiments were conducted involving smokers and non-smokers.
- Varied conditions included pre-exposure smoking, smoking during exposure, nicotine gum, and abstinence periods.
- Temporary threshold shifts (TTS) were measured after controlled noise exposure.
Main Results:
- Smokers consistently showed smaller TTS compared to non-smokers across experiments.
- Non-smokers exhibited significantly greater TTS when using nicotine gum versus a control condition.
- The protective effect against TTS in smokers appears linked to chronic and acute smoking effects.
Conclusions:
- Cigarette smoking appears to reduce the severity of temporary threshold shifts (TTS).
- Carbon monoxide may play a more significant role than nicotine in mitigating TTS.
- Findings suggest potential mechanisms for smoking-related auditory protection, warranting further research.