Scientists Investigated a Frequency Linked to ‘Paranormal’ Encounters. The Results Were Unsettling.
Humans can’t hear low-frequency “infrasound,” but a new study demonstrates that it raises our stress levels and triggers an “unsettling” feeling that could be linked to people’s experiences in haunted locations.
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🌘Subscribe to 404 Media to get The Abstract, our newsletter about the most exciting and mind-boggling science news and studies of the week. If you’ve ever visited a haunted house or a paranormal hotspot, you may have experienced a weird sense of unease that you couldn’t quite explain. While it’s tempting to imagine that these feelings signal the presence of ghosts or other supernatural entities, they may actually be caused by acoustic frequencies below 20 hertz, known as infrasound, according to a study published on Monday in Frontiers in Behavioral Neuroscience.The human ear is not tuned to pick up infrasound, yet a growing body of research has shown that exposure to these frequencies nonetheless causes negative feelings in humans and many other animals.
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