The strange power of inaudible sounds

This item is taken from the monthly magazine Sciences et Avenir n°952, dated June 2026.

Infrasound could contribute to certain so-called paranormal experiences, according to a study from MacEwan University (Canada).

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This one, published in the magazine Frontiers in Behavioral Neuroscience, shows that exposure to very low frequency sounds (18 hertz) increases stress and cortisol levels in volunteers, without them consciously perceiving these vibrations.

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Infrasound interpreted as "presences"

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Present in some buildings, these infrasounds could cause discomfort and strange sensations, then interpreted as "presences".

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