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Combined effects of noise and air temperature on human neurophysiological responses in a simulated indoor environment.
Applied Ergonomics ( IF 3.1 ) Pub Date : 2020-06-20 , DOI: 10.1016/j.apergo.2020.103189
Ali Mohammad Abbasi 1 , Majid Motamedzade 2 , Mohsen Aliabadi 3 , Rostam Golmohammadi 3 , Leili Tapak 4
Affiliation  

The aim of the present study was to evaluate the combined effects of noise and air temperature on the human body neurophysiological responses. This study was conducted on 35 male students, who were exposed to four different air temperatures (18 °C, 22 °C, 26 °C, and 30 °C) and two noise levels (55 dBA and 75 dBA) in eight sessions in a simulated indoor environment. The mean values of accuracy and time of response to stimuli in N-back test as well as neurophysiological responses were measured. In the studied experiment configurations, with increasing air temperature and noise, the working memory and neurophysiological responses were disturbed. The results indicated the significant effect of noise on working memory, as compared with that of air temperature. The effects of air temperature on heart rate, respiratory rate as well as theta and alpha bands were more significant than the impact of noise. The combined effects of noise and air temperature were more significant than the influence of each of them alone. In the presence of high noise levels, the increase in air temperature did not worsen the response accuracy. However, in the presence of high noise level, the rise in air temperature aggravated the mean value of neurophysiological responses. Overall, noise has a greater effect on working memory, while the air temperature can disturb neurophysiological responses in a more profound way.



中文翻译:

在模拟的室内环境中,噪声和气温对人的神经生理反应的综合影响。

本研究的目的是评估噪声和气温对人体神经生理反应的综合影响。这项研究是针对35名男学生进行的,他们在8个疗程中分别暴露于四种不同的空气温度(18°C,22°C,26°C和30°C)和两种噪声水平(55 dBA和75 dBA)。模拟室内环境。测量了N-back测试中对刺激反应的准确性和时间以及神经生理反应的平均值。在研究的实验配置中,随着气温和噪音的增加,工作记忆和神经生理反应受到干扰。结果表明,与空气温度相比,噪声对工作记忆的显着影响。气温对心率的影响,呼吸频率以及θ和α谱带比噪声的影响更为显着。噪声和气温的综合影响比单独影响的影响更大。在高噪声水平下,空气温度的升高并不会降低响应精度。但是,在高噪声水平的情况下,气温升高会加剧神经生理反应的平均值。总体而言,噪声对工作记忆的影响更大,而气温会以更深刻的方式干扰神经生理反应。气温的升高并没有降低响应精度。但是,在高噪声水平的情况下,气温升高会加剧神经生理反应的平均值。总体而言,噪声对工作记忆的影响更大,而气温会以更深刻的方式干扰神经生理反应。气温的升高并没有降低响应精度。但是,在高噪声水平的情况下,气温升高会加剧神经生理反应的平均值。总体而言,噪声对工作记忆的影响更大,而气温会以更深刻的方式干扰神经生理反应。

更新日期:2020-06-23
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