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quote:Originally posted by flyingHWhat is exactly brainwave? How is it measured?
quote: Can one's brainwave be tuned by feeding one ear with a steady tone of 500Hz and the other ear a steady tone of 510Hz? It said this way 10Hz is perceived by the brain and is a very effective stimulus for brainwave entrainment. Sounds ridiculous to me.
quote:apologize for my bad grammar.