Summary
This introductory work examines how diurnal mammals differ from nocturnal ones in their circadian clock networks, including differences in retinal photoreceptor composition and ipRGC cone inputs. These findings have implications for understanding how light signals are processed differently across species, which can inform species-appropriate or chronotype-sensitive lighting design.
Key Findings
- Diurnal Sudanian grass rats show stronger cone input in the electroretinograms of ipRGCs compared to nocturnal species.
- The functional consequences of differing retinal composition between diurnal and nocturnal mammals for circadian entrainment are discussed but not yet fully resolved.
Categories
The Science of Light: Discusses ipRGC photoreceptor biology, cone input differences, and the mammalian circadian clock network in diurnal vs. nocturnal species.
Sleep & Circadian Health: Addresses the biological clock network and circadian entrainment mechanisms relevant to diurnality in mammals.
Author(s)
RA Schoonderwoerd, JH Meijer
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 twoāprocess 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