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Regulation of sensory nerve conduction velocity (SCV) of human bodies responding to annual temperature variations in natural environments

Li, B., Du, C., Liu, H., Yu, W., Zheng, J., Tan, M., Jin, Z., Li, W., Wu, J., Chen, L. and Yao, R. (2019) Regulation of sensory nerve conduction velocity (SCV) of human bodies responding to annual temperature variations in natural environments. Indoor Air, 29 (2). pp. 308-319. ISSN 0905-6947, 1600-0668

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To link to this item DOI: 10.1111/ina.12525

Abstract/Summary

The extensive research interests in environmental temperature can be linked to human productivity/performance as well as comfort and health; while the mechanisms of physiological indices responding to temperature variations remain incompletely understood. This study adopted a physiological sensory nerve conduction velocity (SCV) as a temperature-sensitive biomarker to explore the thermoregulatory mechanisms of human responding to annual temperatures. The measurements of subjects’ SCV (over 600 samples) were conducted in a naturally ventilated environment over all four seasons. The results showed a positive correlation between SCV and annual temperatures and a Boltzmann model was adopted to depict the S-shaped trend of SCV with operative temperatures from 5 °C to 40 °C. The SCV increased linearly with operative temperatures from 14.28 °C to 20.5 °C and responded sensitively for 10.19 °C - 24.59 °C, while tended to be stable beyond that. The subjects’ thermal sensations were linearly related to SCV, elaborating the relation between human physiological regulations and subjective thermal perception variations. The findings reveal the body SCV regulatory characteristics in different operative temperature intervals, thereby giving a deeper insight into human autonomic thermoregulation and benefiting for built environment designs, meantime minimizing the temperature-invoked risks to human health and well-being.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Science > School of the Built Environment > Construction Management and Engineering > Innovative and Sustainable Technologies
ID Code:81733
Publisher:Wiley

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