colored light exposure boosts alpha brainwave activity most in people with lower baseline levels
Alpha oscillation power increase was negatively correlated with baseline alpha power in the eyes-closed state (r = −0.59, p = 0.0005), indicating that individuals with lower baseline alpha show greater response to chromotherapy stimulation.
What this means for you
Alpha brainwaves are linked to calm, relaxed alertness — the mental state where stress fades and focus sharpens. People whose brains naturally produce less of this activity tend to show the strongest response to colored light stimulation, suggesting those who feel mentally fatigued or wired may have the most to gain.
The published research
Effects of Pulsed-Wave Chromotherapy and Guided Relaxation on the Theta-Alpha Oscillation During Arrest Reaction
Frontiers in Psychology · 2022
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