Effects of natural environmental sounds on cognition of in hospital wards

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  • 病棟の騒音への認識に対する自然環境音の効果
  • ビョウトウ ノ ソウオン エ ノ ニンシキ ニ タイスル シゼン カンキョウオン ノ コウカ

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The present study attempted to explore the effects of natural environmental sounds on cognition of noises that occur in hospital wards. Participants were 21 female and 9 male college students. They were presented both noises in hospital wards and natural environmental sounds simultaneously and asked to evaluate the degree of annoyance and the degree of uncomfortableness of the sounds. Participants were also asked to rate both the degree of annoyance and the degree of uncomfortableness of noises when presented alone, and to rate them of each natural environmental sound when presented without noises. It was found that participants were not particularly annoyed by the noises, but the noises made them feel somewhat uncomfortable. With respect to half of natural environmental sounds (a great tit, a Japanese bush warbler, a cricket, an iron wind bell, and a water-filled bamboo tube striking a stone) presented with noises, participants were not particularly annoyed by them and felt less uncomfortable than when the noises were presented alone. These results suggest that natural environmental sounds could be useful for improving the sound environment in hospital wards.

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