Alpha Rhythm (also known as Alpha Rhythms, Rhythm, Alpha): Brain waves characterized by a relatively high voltage or amplitude and a frequency of 8-13 Hz. They constitute the majority of waves recorded by EEG registering the activity of the parietal and occipital lobes when the individual is awake, but relaxed with the

NIH MeSH · D000513Analytical, Diagnostic and Therapeutic Techniques and Equipment

Alpha Rhythm

Also known asAlpha Rhythms · Rhythm, Alpha · Rhythms, Alpha

Definition

Brain waves characterized by a relatively high voltage or amplitude and a frequency of 8-13 Hz. They constitute the majority of waves recorded by EEG registering the activity of the parietal and occipital lobes when the individual is awake, but relaxed with the eyes closed.

MeSH classification

  • E01.370.376.300.150.374
  • E01.370.405.245.287.374
  • G07.265.087.500
  • G11.561.127.500

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Common questions about Alpha Rhythm

What does Alpha Rhythm mean in medicine?
Brain waves characterized by a relatively high voltage or amplitude and a frequency of 8-13 Hz. They constitute the majority of waves recorded by EEG registering the activity of the parietal and occipital lobes when the individual is awake, but relaxed with the eyes closed. This definition is taken from the National Library of Medicine's MeSH (Medical Subject Headings) 2026 release, which is the standard vocabulary used to index PubMed and most medical literature.
Is Alpha Rhythm known by any other names?
Yes. Alpha Rhythm is also referred to as Alpha Rhythms, Rhythm, Alpha, Rhythms, Alpha in different clinical, research and patient-facing contexts. The MeSH descriptor groups all of these synonyms under a single canonical concept so research and records stay consistent.
Where does Alpha Rhythm sit in the medical classification?
Alpha Rhythm falls under the broader medical category "Analytical, Diagnostic and Therapeutic Techniques and Equipment" in the MeSH hierarchy (tree numbers: E01.370.376.300.150.374, E01.370.405.245.287.374, G07.265.087.500). Browsing the related concepts on this page takes you to neighbouring topics in the same branch of medicine.
Where can I get a plain-language explanation of Alpha Rhythm?
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Source: NIH MeSH 2026 (D000513) — National Library of Medicine, public domain. View official MeSH record ↗