Did 'spooky sounds' prompt prehistoric paintings?
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Prehistoric cave paintings, canyon art and structures such as Stonehenge may have been inspired by 'spooky sounds', a scientist has claimed.
Dr Steven Waller thinks that sound waves reflecting off a cliff face or cave wall produced echoes that may have been interpreted by our ancestors as voices calling within the rock.
He used acoustic measurements so show the link between prehistoric rock sites and strong echoes.
Spirited painting? Prehistoric cave paintings, canyon art and structures such as Stonehenge may have been inspired by spooky sounds, a scientist has claimed. A prehistoric cave painting in India is pictured
Dr Waller, who is based in La Mesa, California, has studied acoustic archaeology around the world and says that echoes of clapping could sound similar to hoof beats or a herd of stampeding animals.
'Many ancient cultures attributed thunder in the sky to "hoofed thunder gods," so it makes sense that the reverberation within the caves was interpreted as thunder and inspired paintings of those same hoofed thunder gods on cave walls,' he said.
'This theory is supported by acoustic measurements, which show statistically significant correspondence between the rock art sites and locations with the strongest sound reflection.'
Rock music: Dr Waller said that Stonehenge (pictured) may be linked to the haunting effects of sound interference patterns. He believes this may have influenced the positioning of the Stonehenge rock slabs
Speaking at the Acoustical Society of America's annual meeting in Indianapolis, Dr Waller said that Stonehenge and other megalithic sites may be linked to the haunting effects of sound interference patterns.
He believes this may have influenced the positioning of the Stonehenge rock slabs.
To test his theory, he played the same droning note on two flutes in an open field.
'The quiet regions of destructive sound wave cancellation, in which the high pressure from one flute cancelled the low pressure from the other flute, gave blindfolded subjects the illusion of a giant ring of rocks or "pillars" casting acoustic shadows,' he said.
'My theory that musical interference patterns served as blueprints for megalithic stone circles - many of which are called Pipers' Stones - is supported by ancient legends of two magic pipers who enticed maidens to dance in a circle and turned them all into stones.'
He explained that even today, sounds can be used to manipulate a person's perception of the world around them and lead to illusions inconsistent with scientific reality.
Dr Waller thinks this phenomenon has interesting practical applications for virtual reality and special effects in entertainment media.
'Sound, which is invisible and has complex properties, can easily lead to auditory illusions of the supernatural,' he said.
'This, in turn, leads to the more general question: what other illusions are we living under due to other phenomena that we are currently misinterpreting?'
Dr Waller has studied acoustic archaeology around the world and says that echoes of clapping could sound similar to hoof beats or a herd of stampeding animals. A painting of bull-like creatures in Lascaux Cave, France is pictured. The cave contains some of the best-known Upper Paleolithic art, painted 17,300 years ago
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