Life is illuminated not just by the sun, but also by the light generated through living processes. This includes ultraweak photon emissions (UPEs)—a continuous release of low-intensity light, or biophotons, resulting from biomolecular reactions during energy generation. A recent study in iScience successfully detected these emissions from the human brain externally for the first time, revealing that the brain emits the most light as metabolic activity increases. The findings suggest a possible complex relationship between brain activity and biophoton emissions, hinting at an unknown function of this light in brain processes.
In a new study published in the journal iScience, researchers detected biophotons emitted by the human brain from outside the skull for the first time.
The more energy a tissue burns, the more light it gives off—which means, of our body's tissues, our brain should glow brightest of all.
The study authors think this may be hinting at a deeper role these particles of light might be playing in the brain.
Scientists think that this light comes from the biomolecular reactions that generate energy, which create photons as by-products.
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