O Que Binaural Beats?

Your brain interprets the two tones as a beat of its own. The two tones align with your brain waves to produce a beat with a different frequency. This frequency is the difference in hertz (Hz) between the frequencies of the two tones. 

The superior olivary complex and binaural beats. Located in the brain stem, the superior olivary complex is the first part of the brain that processes sound input from both ears. The superior olivary complex synchronizes various activities of the many neurons in the brain. This complex responds when it hears two close frequencies and creates a binaural beat, which changes the brain waves. The synchronization of the neural activities across the brain is called entrainment.

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Neurons in your brain use electrical signals to create thoughts, emotions, and behaviors. When neurons synchronize, this creates brain waves. Brain waves can be measured by a technique called electroencephalography (EEG). This technique involves electrodes put on the scalp to record electric signals. 

Some of these soundscapes have been marketed via mobile phone apps as digital drugs. Binaural beat tracks available to download are sometimes named after specific drugs, for example “Molly Rave Riot” (reference to MDMA) or “Roofie Enhanced calm” (reference to Rohypnol).

Binaural beats are supposed to generate the same relaxing effects of meditation because they produce the same brain waves observed in a meditative state. As a result, binaural beat therapy may have many of the advantages of mindfulness techniques, such as:

Are binaural beats psychoactive?

The word “bi” means two, and the word “aural” means ear. Binaural beats work by having people listen to two different tones, one in each ear, at two different frequencies. However, the beat, which is the difference between the two frequencies, is heard by the brain. 

Given there are studies showing some effects of reducing anxiety and relieving perceptions of pain in medical contexts, it may also be possible binaural beats marketed as producing psychoactive drug effects could be perceived by consumers as providing similar sensations.

Binaural beats as digital pleasures

There is a lack of clinical research for binaural beats. The evidence for the frequency-following effect is conflicting and inconclusive. Talk to your doctor before trying to use binaural beats for any health reasons. 

Binaural beats can be positioned within a range of other commonly used digital sound-based therapies such as ASMR (Autonomous Sensory Meridian Response). Emerging research indicates ASMR may have therapeutic benefits for mental health, which highlights the broader potential of digital sounds.

Binaural beats are a form of auditory beat stimulation in which two tones, varying slightly in frequency, are played into each ear, producing an auditory illusion of a third tone. Binaural beats of certain frequencies have a modest, positive effect on memory, attention, pain perception, and relaxation.

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Binaural beats as therapy

For example, a meta-analysis that included 22 studies on the effect of binaural beats on memory, attention, anxiety and pain relief found across all studies a statistically significant and consistent effect. A dose-response effect was found, meaning greater exposure to the sounds increased their effectiveness as a therapy.

The perceptual phenomenon of binaural beats was discovered by Heinrich Wilhelm Dove in 1841 and first described in scientific literature in 1973.

Our research demonstrates some people who responded to our survey, and already consume drugs, are also using binaural beats to augment or substitute psychoactive substances.

Are binaural beats psychoactive?

The concept of “i-dosing” and digital drugs has surfaced in popular culture. Basically, it uses engineered sounds and music to induce a euphoric state similar to the one experienced by users of drugs like marijuana, LSD, ecstasy, and cocaine. Since these “digital drug recordings” are based on binaural beats, they may provide a natural sense of the body relaxing while the mind expands. However, research into their efficacy is limited and disputed.

A number of binaural beat generators are available, most of which offer the option to set a base frequency (often between 200 and 400 Hz) followed by a binaural frequency, the former being the average frequency between each of the tones played in each ear and the latter being the difference between the two frequencies.

Binaural beats as digital pleasures

Binaural beats are an auditory illusion produced by playing two slightly different tones into each ear, and are tuned to the frequency of certain brainwaves to produce a desired effect.

However, research on the clinical benefits of binaural beat therapy is inconclusive, and its delivery is not overseen by a doctor. As a result, it is best not to use this type of intervention in place of conventional treatments for stress and anxiety. Binaural beat therapy is not part of standard care for any condition.

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Depression. Some studies have linked binaural beats to increased feelings of depression. 

You might have seen online or heard about “binaural beats”, which have been described as “digital drugs”.

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