Neurons in the brain communicate with each other through pulses of electricity. Theta waves – These brain waves trigger drowsiness or a meditative state (5-7 Hz)ĭelta waves – This is when the body is in a deep, restorative sleep (1.5-4 Hz) They are responsible for focus, concentration and analytical thinking.Īlpha waves – These brain waves trigger relaxed alertness (8-12 Hz) What Are The 4 Major Brainwave Frequencies?īeta waves – These brain waves are the fastest frequency of brainwaves (13-40 Hz). It can help with relieving anxiety and enhancing cognitive focus and creativity. Studies show that binaural beats increase a person’s working memory by helping the brain organize and retain information that is stored throughout the day for successful reasoning, comprehension and goal-directed behavior. The different frequencies in each ear will produce a new “illusionary” sound of 11 Hz as a result. For example, let’s say a person listens to a sound frequency of 132 Hertz (Hz) in their left ear and then another frequency of 121 Hz in the right ear. So, how do binaural beats work? Two different sound frequencies are produced to create the perception of a new sound frequency. How Do Binaural Beats Help With Working Memory? Chances are you have heard these ambient frequencies or sounds at some point in your life without even realizing it. This sound therapy is often used in the scientific study of working memory, focus and creativity. If you haven’t heard of the term binaural beats, you may not be alone. Remember the scene in Back to the Future Part II when Doc Brown uses his sleep-inducing alpha rhythm generator on Marty’s girlfriend? Although this machine is fictionalized for the movie, the concept behind the device is similar to a real-life sound phenomenon called binaural beats.
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