Sounds of nature, such as the gentle burbling of a brook or the gushing of the wind in trees, may help us relax by changing our mind and bodily systems, a new study has found. Researchers at Brighton and Sussex Medical School in the UK found that activity in the default mode network of the brain (a collection of areas which are active when we are resting) was different depending on the sounds playing in the background. When listening to natural sounds, the brain connectivity reflected an outward-directed focus of attention. However, when listening to artificial sounds, the brain connectivity reflected an inward-directed focus of attention - similar to states observed in anxiety, post-traumatic stress disorder and depression.
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