Binaural beats are auditory illusions created when you listen to two slightly different sound frequencies, one in each ear. Your brain processes these two tones into a single tone with a frequency that’s equal to the difference between the two tones.
This article focuses on 14 Hz binaural beats. Some people believe that listening to 14 Hz binaural beats may improve focus, enhance relaxation, and boost cognitive function. But is there any evidence to support these claims?