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Int J Environ Res Public Health. 2010 Mar;7(3):1036-46. doi: 10.3390/ijerph7031036. Epub 2010 Mar 11.

Stress recovery during exposure to nature sound and environmental noise.

Author information

1
Gösta Ekman Laboratory, Department of Psychology, Stockholm University, Stockholm, Sweden. jesper.alvarsson@psychology.su.se

Abstract

Research suggests that visual impressions of natural compared with urban environments facilitate recovery after psychological stress. To test whether auditory stimulation has similar effects, 40 subjects were exposed to sounds from nature or noisy environments after a stressful mental arithmetic task. Skin conductance level (SCL) was used to index sympathetic activation, and high frequency heart rate variability (HF HRV) was used to index parasympathetic activation. Although HF HRV showed no effects, SCL recovery tended to be faster during natural sound than noisy environments. These results suggest that nature sounds facilitate recovery from sympathetic activation after a psychological stressor.

KEYWORDS:

environmental noise; heart rate variability; nature sounds; skin conductance level; soundscape; stress recovery

PMID:
20617017
PMCID:
PMC2872309
DOI:
10.3390/ijerph7031036
[Indexed for MEDLINE]
Free PMC Article

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