Healing Frequencies
40 Hz Binaural Beat
40.00 Hz
Cosmic Octave Color
Derived visible color (426 nm)
Display swatch #5a61fb
TheoreticalPractitioner / Traditional Claim
Evidence Level
Theoretical
Source Count
1
Last Reviewed
March 23, 2026
Based on a real measured system or lineage, but the mapped interpretation depends on a model or derived octave relationship.
This entry is included because it is culturally or practitioner-relevant. Any therapeutic interpretation should be read as contextual and non-diagnostic.
Review the evidence model40 Hz stimulation is being researched for potential benefits in Alzheimer's disease (MIT Tsai Lab). Binaural beats at 40 Hz may promote gamma brainwave activity. Promising but still under investigation.
Wavelength
8.57 m
Nearest Note
D#1 (+49¢)
Claim Type
Practitioner / Traditional Claim
Cosmic Octave Color
Derived visible color (426 nm) · #5a61fb
Source
Neuroscience research
Sources
Neuroscience and EEG Research
1 atlas references
Used for brainwave frequency bands and broad EEG ranges, rather than for mystical or therapeutic certainty.
Neuroscience / EEG research.
Historical Use
Gamma brainwave entrainment, cognitive enhancement research
binauralgammaresearchcognitive