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Aug 9, 2023 · Light is a powerful environmental factor influencing diverse brain functions. Clinical evidence supports the beneficial effect of light therapy on several diseases, including depression, cognitive dysfunction, chronic pain, and sleep disorders. However, the precise mechanisms underlying the effects of light therapy are still not well understood. In this review, we critically evaluate current ...
In his 2016 article, “Shining Light on the Head: Photobiomodulation for Brain Disorders,” Hamblin writes that light therapy with 660 nm and 810 nm wavelengths is the most effective at promoting significant improvements in cognitive function after a brain injury.
- Rifat Ahmed
Apr 23, 2024 · April 23, 2024. Summary: A new study explores how different light levels impact cognitive function by influencing hypothalamic activity in the brain. The study utilized advanced 7 Tesla fMRI to show that higher levels of light improve cognitive performance during complex tasks. This link between light exposure and brain function suggests ...
Aug 20, 2019 · Effects of light on the circadian clock. Two effects of light have been interrogated extensively in human circadian and sleep research: (1) the acute suppression of melatonin in response to light exposure and (2) the ability of light exposure to shift circadian phase. However, these two effects are not arising from a unitary pathway resulting ...
- Christine Blume, Christine Blume, Corrado Garbazza, Manuel Spitschan, Manuel Spitschan
- 10.1007/s11818-019-00215-x
- 2019
- Somnologie (Berl). 2019; 23(3): 147-156.
In this review, we critically evaluate current clinical evidence showing the beneficial effects of light therapy on diseases. In addition, we introduce the research progress regarding the neural circuit mechanisms underlying the modulatory effects of light on brain functions, including mood, memory, pain perception, sleep, circadian rhythm ...
Jul 12, 2019 · 3. Circadian Rhythm and Mood. The most potent impact of light on physiology and behavioral state comes from its regulation of circadian rhythms. Mammalian physiology and behavior are coordinated by circadian clocks into rhythms that are synchronized with the light–dark cycles of a 24-hour solar day.
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Jan 26, 2024 · Exposure to light stimulates brain areas involved in cognition and appears to improve a broad range of cognitive functions. However, the extent of these effects and their mechanisms are unknown.
