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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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In Reply to: It can be perceived, however. posted by jneutron on September 7, 2006 at 06:10:37:
Hi.In a paper published in the Journal of Neurophysiology:
"Inaudible high-frequency sounds affect brain activity: hypersonic effect", it reported an aural study in dealing with the then unanswered issue:
"Although itis generally accepted that human cannot perceive sound in the frequency range above 20KHz, the question of whether the existence of such "inaudible" high-frequency components may affect the acoustic perception of audible sound reamins unanswered".This aural study involved sophisticated realtime mapping on the listeners brain activities.
Here was the finding:
"In conclusion, our findings that showed an increase in alpha-EGG potentials, activation of deep-seated brain structures, a correlation between alpha-EEG and rCBF (regional cerebral blood flow) in the thalamus, and a subjective preference towards FRS
(full range sound), give STRONG evidence supporting the existence of a previously unrecognized response to high-frequency sound beyond the audible range that might be distinct from more usual auditory phenomena."This somehow proves what you PERCEIVED ultrsonically is no imagination.
c-J
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Follow Ups
- Hearing is only part of the human aural perception. - cheap-Jack 09:05:20 09/07/06 (3)
- Re: Hearing is only part of the human aural perception. - Soundmind 11:44:15 09/07/06 (0)
- Re: Hearing is only part of the human aural perception. - jneutron 09:15:54 09/07/06 (1)
- Re: Hearing is only part of the human aural perception. - Soundmind 11:46:14 09/07/06 (0)
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