How Nature’s Sights and Sounds Boost Mental Health

The sounds and sights of nature are associated with significant positive effects on mental health compared to loud, urban environments. According to a study from North Carolina State University published in Environmental Conservation, mental health outcomes improve significantly when natural vistas and nature-based audio are paired, creating a restorative effect far superior to the experience of city environments.

The Synergy of Birds and Greenery

Researchers utilized a randomized design to isolate exactly what drives a psychological response: the physical location or the audio. Participants were placed in two contrasting settings—a reclaimed nature trail isolated from development or a busy urban area—while wearing noise-cancelling headphones.

The audio varied. Some heard the persistent drone of traffic; others heard birdsong.

The results were immediate. Nils Peterson, a professor in the NC State College of Natural Resources and lead author of the paper, found that the combination of a green space and birdsong triggered the strongest positive shift in participants.

For participants who were in a green space listening to the birds, there were significant effects. Positive emotions went up, negative emotions went down, stress went down, and perceptions of feeling restored went up more than any other combination.

Nils Peterson, NC State College of Natural Resources

The Friction of Mismatched Environments

The study tracked “restorativeness”—a specific metric measuring how refreshed a person feels after an experience. Participants in urban areas listening to car sounds experienced the direct opposite effect.

When the senses were mismatched—hearing birdsong in a city or traffic on a trail—the psychological response was mixed.

Mitigating the Urban Gray

These findings suggest that urban environments might be made better by incorporating green spaces. The data suggests that the inherent psychological downsides of “gray spaces” can be softened by introducing natural elements.

Peterson stated that changing a stressful urban space to include natural sounds can ameliorate the negative experiences associated with those environments. While this research focused on birds, Peterson noted that existing literature supports other nature-based audio, such as the sound of water, to achieve similar mental health benefits.