Alpha Rhythm

In our daily lives, we often come across concepts such as alpha, beta, gamma or delta waves and do not always realize the role of one of them in our brain. We are talking about **alpha rhythm**, which is the most common electroencephalographic (EEG) rhythm.

What is alpha rhythm? This is one of the most mysterious and yet most understandable phenomena of the human brain. It consists of alternating alpha waves - small voltage fluctuations that appear over 1-4 seconds. The average frequency of alpha waves is 8-13 per second. Waves emanating from the brain stem (the lowest part of the skull, occupying the lower lobe) stimulate