Binaural Beats are an auditory form of brainwave entrainment. When two signals are sent, one to each ear, and the signals differ by thirty hertz or less, the frequency follow response is evoked. It is important that the signals are identical except for this desired entrainment frequency, and nominally headphones are used.

Discovered in the 1800's by a meteorologist named Heinrich Wilhelm Dove, the difference in signals affects the brainstem's superior olivary nucleus, the site of contralateral integration of auditory input.

We are constantly bombarded by virtually random differences in signals throughout a normal day, but it is the filtered precision of a properly prepared signal that produces a noticeable effect.

PA&CS

There are several oppurtunities in perception augmentation for binaural beat technology. The difficulty arise in incorperating the necessary filtered precision into a multisensory experience.

RNES

Binural Beats have been used for many years in attempts to create recreational stimulations. Some entrepenuers are marketing thier encoded audio programs as the first Digital Drug. Without futher inovation the current techniques will not exceed a Class III effect.

R&E

Mental rehab and enhancement is the primary area that binaural beats are currently utilized. Everything from basic meditation to improved learning techniques tought binaural beats as the end all development. One of the most successful would have to be the brain hemisphere syncronization trademarked encoding format Hemi-Sync.

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