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Systems of acoustic resonance in the ancient sites and related brain activity

 Paolo Debertolis*, Giancarlo Tirelli**, Fabrizio Monti***


 *Chair of Dental Archaeology, Department of Medical science, University of Trieste (Italy)

**Head and Neck Department, Director of Otorhinolaryngology Clinic, Department of Medical Sciences, University of Trieste (Italy)

***Head of Clinical Neurophysiology Unity, Department of Neurology, University Hospital of Trieste (Italy)


Summary - Research was carried out in collaboration with the Head and Neck Department and the Clinical Neurophysiological Unit at the University of Trieste (Italy) to assess the effects of resonance phenomena on the human body. We worked with volunteers who underwent examination by EEG while listening to tones between 90Hz and 120Hz, similar to the resonant sounds found at some Neolithic structures in Europe (England, Ireland, Italy, Malta). As in the study by Ian Cook at the University of California (UCLA, 2008), all of our volunteers were subjected to a "comfortable" volume of sound whilst in the absorbing sound room. This is used for audiometric tests at the Otorhinolaryngology Clinic and has has been modified with suitable software and hardware. This type of room is also protected by a Faraday cage to shield from any possible external electromagnetic interference that could affect the results. After two minutes of silence to evaluate the resting brain rhythm, the volunteers were subjected to the tones of 90, 95, 100, 105, 110, 115, 120Hz arranged in a random way for one minute each. At the end of every cycle they listened to a mantra of the same frequency for a period of two minutes. Technicians examined the EEGs to verify the data collected. They foundthere was a prevalence of frontal areas or occipital (posterior) areas with no predominance of one cerebral hemisphere (left of right) over the other during playing.  Each volunteer had a different sensitivity to all the tones without one tone prevailing (i.e. 110Hz), with each exhibiting a strong response to a subjective and personal tone (90Hz, 105Hz, 120Hz …).


This scientific paper was presented at Conference "Archaeoacoustics. The Archaeology of Sound", Malta, February 19-22, 2014

Site of the Conference in Malta.

This paper was included in the volume of Proceedings of the Conference, available in Internet (ISBN-13: 978-1497591264, ISBN-10: 1497591260), pg. 59-65.

This is the original paper from proceedings book.

This is the preliminary paper with coloured images.







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