Facts
Citation
URLhttps://en.wikipedia.org/wiki/Hypersonic_effect
Sources
Hypersonic effect - Wikipedia
Lead sectionQuote, Lead section
The hypersonic effect is a phenomenon reported in a controversial scientific study by Tsutomu Oohashi et al., which claims that, although humans cannot consciously hear ultrasound (sounds at frequencies above approximately 20 kHz), the presence or absence of those frequencies has a measurable effect on their physiological and psychological reactions.
Claims Backed By This Source (6 claims)
This source backs 6 claims across the atlas. As facts: 4 well-attested. Plus 2 entities citing it as a general reference with no single fact or relationship attached.
Disposition By Topic
- Psychological Phenomena, 5 claims: 3 well-attested, 2 general references.
- Sources, 1 claims: 1 well-attested.
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