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3.2 Nature Sounds and Binaural Beats. ... Polysomnography investigations have found listening to slow-tempo music increased slow-wave sleep (deep sleep) ...
His music usually contains no rhythmic elements (one exception is "2.5" on Dead Weather Machine), but instead relies on spacious, extended, richly-textured sounds. Occasionally, true 'musical' elements appear in his work, such as sustained chords (in "c-deck" on Nostromo for example), but the majority of his compositions consist of evolving ...
Theta rhythm is prominent during part of awaking and REM sleep. Due to the density of its neural layers, the hippocampus generates some of the largest EEG signals of any brain structure. In some situations the EEG is dominated by regular waves at 4–10 Hz, often continuing for many seconds.
Slow-wave sleep (SWS), often referred to as deep sleep, is the third stage of non-rapid eye movement sleep (NREM), where electroencephalography activity is characterised by slow delta waves. [ 2 ] Slow-wave sleep usually lasts between 70 and 90 minutes, taking place during the first hours of the night. [ 3 ]
The historical background of natural sounds as they have come to be defined, begins with the recording of a single bird, by Ludwig Koch, as early as 1889.Koch's efforts in the late 19th and early 20th centuries set the stage for the universal audio capture model of single-species—primarily birds at the outset—that subsumed all others during the first half of the 20th century and well into ...
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