Binaural – Delta 70-74

Discovered in 1839 by Heinrich Wilhelm Dove, binaural tones are auditory processing artifacts, or apparent sounds, the perception of which arises in the brain independent of physical stimuli. Originating in the superior olivary nucleus, a part of the brain stem, delta waves are associated with dreams, REM sleep, meditation, and loss of body awareness. This sound uses the following sound file from Freesound (http://www.freesound.org): 70-74-delta.aiff by iantm