An auditory illusion thought to synchronize brain waves and alter mood is no more effective than other sounds. The effect reported in other studies might be a placebo but could still have helpful ...

What they are: Binaural beats occur when two slightly different frequencies are played in each ear, creating a third ...

Cowritten by Charlie Huntington and Tchiki Davis. Binaural beats are what happens when two equally loud sounds, at just slightly different frequencies (or tones), are presented at the same time, one ...