Apparatus for inducing frequency reduction in brain wave
First Claim
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1. An apparatus for inducing frequency reduction of human brain wave, comprising:
- (a) means for generating a first low-frequency signal which is higher in frequency than the range of 4 to 16 hertz;
(b) means for generating a second low-frequency signal which is higher in frequency than the range of 4 to 16 hertz and is different in frequency by 4 to 16 hertz from the first signal;
(c) means for sounding the first- and second signals to generate a beat signal of the frequency of 4 to 16 hertz.
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Abstract
Frequency reduction in human brain wave is inducible by allowing human brain to perceive 4-16 hertz beat sound. Such beat sound can be easily produced with an apparatus, comprising at least one sound source generating a set of low-frequency signals different each other in frequency by 4-16 hertz. Electroencephalographic study revealed that the beat sound is effective to reduce beta-rhythm into alpha-rhythm, as well as to retain alpha-rhythm.
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Citations
13 Claims
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1. An apparatus for inducing frequency reduction of human brain wave, comprising:
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(a) means for generating a first low-frequency signal which is higher in frequency than the range of 4 to 16 hertz; (b) means for generating a second low-frequency signal which is higher in frequency than the range of 4 to 16 hertz and is different in frequency by 4 to 16 hertz from the first signal; (c) means for sounding the first- and second signals to generate a beat signal of the frequency of 4 to 16 hertz. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An apparatus for inducing frequency reduction of brain waves of human subject, comprising:
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(a) first means for generating a first low-frequency signal which is higher in frequency than the range of 4 to 16 hertz; (b) second means for generating a second low-frequency signal which is higher in frequency than the range of 4 to 16 hertz and is different by 4 to 16 hertz from said first low-frequency signal; and (c) means for sounding said first- and second-low frequency signals to generate a beat signal of the frequency of 4 to 16 hertz; whereby upon perceiving said beat signal by the human brain the ongoing state of brain wave is shifted to alpha-rhythm. - View Dependent Claims (9, 10, 11, 12, 13)
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Specification