"Inaudible sounds from old pipes and boilers can lead to increased irritability and higher cortisol levels in individuals, even when they are unaware of the sound's presence."
"For someone who is already primed to believe in ghosts, the discomfort caused by infrasound might feel like proof of a spirit or presence."
"The researchers previously tested infrasound at a haunted house attraction, but the results were inconclusive, prompting further investigation into its effects."
"In the latest study, volunteers listened to calming music or unsettling sounds while infrasound was played through hidden subwoofers, revealing emotional impacts."
Research indicates that inaudible sounds from aged pipes and boilers, known as infrasound, can affect human emotions. In a study, volunteers exposed to infrasound exhibited increased irritability and elevated cortisol levels, even without conscious awareness of the sound. While this effect alone may not convince someone of a haunting, it can enhance feelings of discomfort, particularly for those already inclined to believe in the paranormal. The study suggests that infrasound may provide a physical sensation that individuals might interpret as evidence of ghostly presence.
Read at www.theguardian.com
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