frequency ratios of brain rhythms

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if you look into the activity of any brain, usually many different rhythms can be seen. is there any systematic relationship between their frequencies? there are proposals (often by physicists 🙃) that rhythms are organized according to specific ratio, e.g. the golden ratio or simply factor 2.

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— Natalie Schaworonkow (@nschawor.bsky.social) 23 January 2026 at 12:22