Brainwaves
Theta (High)
7.50 Hz
Cosmic Octave Color
Derived visible color (568 nm)
Display swatch #c7cb34
Octave-shifted: 30.00 Hz (+2 octaves)
EstablishedBrainwave Band
Evidence Level
Established
Source Count
1
Last Reviewed
March 23, 2026
Directly measured, standardized, or well-supported in mainstream scientific or technical literature.
This entry summarizes recognized frequency bands, but subjective states vary across people and contexts. The atlas is not making medical or diagnostic claims.
Review the evidence modelUpper theta, close to alpha border. Relaxed awareness, visualization, creative flow. Close to Schumann resonance (7.83 Hz).
Wavelength
45.73 m
Claim Type
Brainwave Band
Cosmic Octave Color
Derived visible color (568 nm) · #c7cb34
Source
Neuroscience / EEG research
Sources
Neuroscience and EEG Research
14 atlas references
Used for brainwave frequency bands and broad EEG ranges, rather than for mystical or therapeutic certainty.
Neuroscience / EEG research.
brainwavethetarelaxation