Strictly speaking, the term alpha brain waves refers to neural oscillations in the range of 8 to 12 hertz. In many instances, however, the term connotes much more than a particular waveform. Through a combination of scientific and cultural factors, alpha has come to signify relaxation, tranquility, and even spirituality. Below, we offer a brief history of alpha waves, with the goal of contextualizing modern interpretations of the rhythm.
November 30, 2020