![]() Ancient myths contain descriptions of echo spirits that match prehistoric petroglyphs, including witches that hide in sheep bellies and snakeskins. It struck me that canyon petroglyphs might have been made in response to hearing echoes and believing that the echo spirits dwelt in rocky places. This can result in an auditory illusion of somebody answering you from deep within the rock. Just as light reflection in a mirror gives an illusion of yourself duplicated as a virtual image, sound waves reflecting off a surface are mathematically identical to sound waves emanating from a virtual sound source behind a reflecting plane such as a large cliff face. Voices coming out of solid rock gave our ancestors the impression of echo spirits calling out from the rocks. ![]() ![]() Echoes = Answers from Echo Spirits (relevant to canyon petroglyphs) This prehistoric pictograph of a ghostly figure in Utah’s Horseshoe Canyon will answer you back.ġ. Controlled experiments demonstrate that certain ambiguous sounds cause blindfolded listeners to believe in the presence of phantom objects.įigure 1. These beliefs in the supernatural were recorded in ancient myths, and expressed in tangible archaeological evidence as canyon petroglyphs, cave paintings, and megalithic stone circles including Stonehenge. Sound reflection, whisper galleries, reverberation, ricochets, and interference patterns were perceived in the past as eerie sounds attributed to invisible echo spirits, thunder gods, ghosts, and sound-absorbing bodies. The ear can be tricked by ambiguous sounds, just as the eye can be fooled by optical illusions. Session: “Acoustic Trick-or-Treat: Eerie Noises, Spooky Speech, and Creative Masking”ġ68th Acoustical Society of America Meeting, Indianapolis, IN Auditory hallucinations, not necessarily a hallmark of psychotic disorder.Presentation Thursday afternoon, October 30, 2014 Musical hallucination associated with hearing loss.
0 Comments
Leave a Reply. |