Because different brain wave frequencies are associated with different types of mental activity, the binaural beat frequency could be used to improve certain types of cognition or produce specific moods. This term is also referred to as “brainwave entrainment”.īy playing the perceived third tone at a certain frequency, the brain should (theoretically) increase the presence of brainwaves of the same frequency. 1.2How do binaural beats work?Īlthough the mechanism is still under investigation, it is thought that binaural beats elicit a “frequency following response” (FFR), which is the tendency of the electrical activity in the brain to match the frequency of an external periodic stimulus such as a tone. People with hearing or neurological conditions should exercise more caution. There isn’t much safety data related to binaural beats, but they are likely safe. Of course, listening to beats too loudly can potentially damage hearing.Īlthough we did not find any research suggesting this, binaural beats could theoretically produce a negative effect in people with some sort of pre-existing neurological condition, simply due to the wide variety of possible interactions any intervention would have with diverse conditions. Additionally, the frequency of binaural beats matters, and some may impair certain types of cognition transiently. Adverse effects of binaural beats are rarely reported, although no safety trials have been conducted.
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