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  1. The Human Response to Lightcourse covers in detail how we respond to light, both natural and artificial. Correlated color temperature (K)– describes a light source in relation to the color of a black body (such as the sun) at a particular temperature in Kelvins. It is a general measure of the “warmth” or “coolness” of white light.

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  2. Human physiology, and in turn psychology, functions and is largely determined by light exposure. The majority of organisms on the planet, including humans, have developed finely tuned circadian clocks synced to Earth’s light-dark cycle. In addition, we synthesize vitamin D and other important compounds when our skin is exposed to sunlight ...

  3. Human physiology, and in turn psychology, functions and is largely determined by light exposure. The majority of organisms on the planet, including humans, have developed finely tuned circadian clocks synced to Earth’s light-dark cycle. In addition, we synthesize vitamin D and other important compounds when our skin is exposed to sunlight.

  4. Introduction. Module 1 • 33 minutes to complete. Welcome to Course 2 of the LightCap project, titled "Basics of light and its effects on humans". This course explains the mechanisms through which light impacts human (psycho)physiology, and explains ways through which the light itself and the effects on us humans can be measured.

  5. Earlier studies demonstrated that polychromatic white light received after waking will cause one to go to bed earlier and wake up earlier, while light applied before bedtime will cause one to go to bed later and wake up later. 45, 46 While these studies also explored the notion that a “dead zone” or a photic insensitivity exists in the temporal response of the human circadian system, the ...

    • MG Figueiro, R Nagare, Lla Price
    • 10.1177/1477153517721598
    • 2018
    • 2018
  6. Jun 1, 2010 · The Human Retina. The eye is a sense organ containing receptors sensitive to light intensity and colour. Receptors are groups of specialised cells that can generate an electrical impulse in a sensory neurone. The eye contains two types of receptor cell: Rod cells which are sensitive to light intensity.

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  8. Mar 26, 2021 · Furthermore, two of the listed human studies reported the need for significantly greater intensities of light in order to achieve a half-saturation response as compared to other human work, across output measures (Cajochen Citation 2007; Zeitzer et al. Citation 2000). This is likely due to the following methodological factors: 1) the use of polychromatic light (and thus a less targeted ...

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