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Dopamine and its role in circadian rhythm, or is it the other way around? Or how does circadian rhythm have to do with our mood
Nowadays, dopamine, which belongs to the group of so-called happy hormones, is mainly associated with reward and the following experience of joy and euphoria. However, dopamine also plays an important role in other physiological processes and behaviour. It is a...
Clinical validation Spetrasol phototherapeutic chamber
As part of the TAČR TREND grant project of the Technological Agency of the Czech Republic, long-term monitoring of effects of phototherapeutical chamber Spectrasol equipped with our patented full-spectrum LED light sources was carried out in the treatment of mental...
Light as a biological essence or what HCL, which only changes the color tone of the illumination (CCT), cannot do
In recent years, the term “Human Centric Lighting” has come to the attention of architects, designers, luminaire manufacturers and customers in the context of lighting. Human Centric Lighting (HCL) or also “Integrative Lighting” as defined by...
Evaluation of the efficiency of a pilot biodynamic lighting installation at the TGM Retirement Home in Beroun
Brief research report on the results of the effect of Spectrasol bio-dynamic circadian lighting on clients and staff of the TGM nursing home. ► Full study| source: NUDZ.cz ...
Evaluation of the effects of Spectrasol procognitive LED lighting on students and teachers of Prague secondary schools
Research report of the Czech Technical University UCEEB, which demonstrated a significant effects of procognitive lighting on the academic results and absenteeism of students in Prague secondary schools. Full document in PDF...
Research report on measuring the effect of different LED light sources on the retinal cells of the eye.
In the experiment, significantly different effect of radiation from different LED sources on apoptosis (short wavelengths of the light spectrum) and regeneration (long wavelengths of the light spectrum) of retinal cells were found. Full document in PDF...
Recommendations for daytime, evening, and nighttime indoor light exposure to best support physiology, sleep, and wakefulness in healthy adults
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Lights Should Support Circadian Rhythms: Evidence-Based Scientific Consensus
For over a hundred years, the lighting industry has primarily been driven by illumination aesthetics, energy efficiency and product cost with little consideration of the effects of light on health. The recent widespread replacement of traditional light sources by...
Cambridge Melanopsin Vision
Photosensitive retinal ganglion cells (ipRGGs) are the most recently discovered photoreceptor class in the human retina. It reveals contemporary and emerging lighting technologies as powerful tools to set mind, brain and behaviour. This Element integrates new...
The effects of low-color-temperature dual-primary-color lightemitting diodes on three kinds of retinal cells
Long-term illumination of the retina with blue-light-excited phosphor-converted light-emitting diodes (LEDs) may result in decreased retinal function, even if the levels of blue light emitted are low. New low-color-temperature dual-primary-colorcLEDs have been...
Biologically Relevant Lighting: An Industry Perspective
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