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This research aims to determine how different types of indoor sounds impact subjective perception and neural activity related to well-being.

The Restorative Potential of Natural Soundscapes in Indoor Environments: EEG and Psychological Evidence

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Experimental analysis reveals natural sounds enhance perception and neural activity in students, suggesting benefits for indoor spaces.

This research aims to determine how different types of indoor sounds impact subjective perception and neural activity related to well-being.
Examined five auditory conditions: no sound, traffic noise, environmental noise, birdsong, and water sound.
Collected subjective evaluations such as sound comfort, pleasure, and satisfaction from 38 university students.
Analyzed electroencephalogram (EEG) data for time-frequency and dynamic features.
Birdsong and water sound improved subjective perception significantly compared to traffic noise.
Electroencephalogram showed increased alpha and beta activity during exposure to natural sounds.
Natural sounds resulted in shorter neural avalanche durations and smaller avalanche sizes, indicating a closer state to critical brain function.

Liu et al. (2026) studied this question.

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