article_snippet.sent: Alpha oscillations occur within the frequency range of eight and 12 Hertz 9 (or cycles per second).
article_snippet.sent: Alpha oscillations happen most prominently when we close we eyes and shut out sensory stimuli – things we see, feel, taste, smell, and hear.
article_snippet.sent: When alpha oscillations are active, your sensory inputs might be offline as you daydream, meditate, or conjure ideas.
article_snippet.sent: When you come fully online, alpha oscillations disappear.
article_snippet.sent: Other oscillations at higher frequencies, such as gamma oscillations, take over.
article_snippet.sent: An EEG of a naturally occurring alpha oscillation in a human brain.