Summary
This paper proposes a structured framework for integrating non-image-forming light effects—such as circadian entrainment and alertness—into daylighting design for buildings. It defines light factors (luminous and temporal), threshold values, and architectural design parameters to help designers evaluate and optimize indoor spaces for biological and performance outcomes.
Categories
The Science of Light: Presents a theoretical framework for quantifying non-image-forming (NIF) effects of light, including spectral and temporal characteristics relevant to lighting standards.
Sleep & Circadian Health: Framework addresses circadian entrainment and melatonin-related effects as key human performance indicators for daylighting design.
Workplace Performance: Incorporates human performance indicators for alertness and cognitive function into architectural daylighting design parameters.
Author(s)
M Adamsson
Related Publications
The Science of Light
- Phototransduction by retinal ganglion cells that set the circadian clock
- Color appearance models
- The mammalian circadian timing system: organization and coordination of central and peripheral clocks
- Diminished pupillary light reflex at high irradiances in melanopsin-knockout mice
- Melanopsin is required for non-image-forming photic responses in blind mice
Sleep & Circadian Health
- Phototransduction by retinal ganglion cells that set the circadian clock
- The mammalian circadian timing system: organization and coordination of central and peripheral clocks
- The two‐process model of sleep regulation: a reappraisal
- Melanopsin is required for non-image-forming photic responses in blind mice
- Strange vision: ganglion cells as circadian photoreceptors
Workplace Performance
- Acute alerting effects of light: A systematic literature review
- Effects of artificial dawn and morning blue light on daytime cognitive performance, well-being, cortisol and melatonin levels
- Can light make us bright? Effects of light on cognition and sleep
- Kruithof's rule revisited using LED illumination
- Shining light on memory: Effects of bright light on working memory performance