ArticleNeuroscience bulletin2016
Biophotons Contribute to Retinal Dark Noise.
Article in Neuroscience bulletin, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Rejection of the biophoton hypothesis on the origin of photoreceptor dark noise.The Journal of general physiology · 2019Article
- The mechanism of photon-like dark noise in rod photoreceptors.The Journal of general physiology · 2019Article
- Biophotonic Activity and Transmission Mediated by Mutual Actions of Neurotransmitters are Involved in the Origin and Altered States of Consciousness.Neuroscience bulletin · 2018Article
- Human high intelligence is involved in spectral redshift of biophotonic activities in the brain.Proceedings of the National Academy of Sciences of the United States of America · 2016Article
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Authors and funding
2 authors.
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Abstract
The discovery of dark noise in retinal photoreceptors resulted in a long-lasting controversy over its origin and the underlying mechanisms. Here, we used a novel ultra-weak biophoton imaging system (UBIS) to detect biophotonic activity (emission) under dark conditions in rat and bullfrog (Rana catesbeiana) retinas in vitro. We found a significant temperature-dependent increase in biophotonic activity that was completely blocked either by removing intracellular and extracellular Ca(2+) together or inhibiting phosphodiesterase 6. These findings suggest that the photon-like component of discrete dark noise may not be caused by a direct contribution of the thermal activation of rhodopsin, but rather by an indirect thermal induction of biophotonic activity, which then activates the retinal chromophore of rhodopsin. Therefore, this study suggests a possible solution regarding the thermal activation energy barrier for discrete dark noise, which has been debated for almost half a century.
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