Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Video

Updated: Mar 20, 2026

Operation of Laboratory Photobioreactors with Online Growth Measurements and Customizable Light Regimes
05:21

Operation of Laboratory Photobioreactors with Online Growth Measurements and Customizable Light Regimes

Published on: October 28, 2021

2.7K

An ipRGC-influenced/Non-Visual Spectral Occupant Model for lighting design, Part 2: Photobiological model

J Alstan Jakubiec1,2, A Alight1

  • 1John H. Daniels Faculty of Architecture, Landscape and Design, University of Toronto, Toronto, ON, Canada.

Lighting Research & Technology (London, England : 2001)
|March 19, 2026
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

Photoreceptors and Plant Responses to Light02:00

Photoreceptors and Plant Responses to Light

28.9K
Light plays a significant role in regulating the growth and development of plants. In addition to providing energy for photosynthesis, light provides other important cues to regulate a range of developmental and physiological responses in plants.
28.9K
Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

10.6K
At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category,...
10.6K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same authorSame journal

An ipRGC-influenced/Non-Visual Spectral Occupant Model (iNSOM) for lighting design, Part 1: Light simulation method.

Lighting research & technology (London, England : 2001)·2026
See all related articles

This study introduces the iNSOM model for assessing non-visual lighting effects. It predicts occupant responses like circadian dynamics and alertness, offering a new way to evaluate lighting design for health.

Area of Science:

  • Lighting science
  • Photobiology
  • Human-centered design

Background:

  • Non-visual lighting effects are crucial for human health and well-being.
  • Existing metrics may not fully capture the impact of light on intrinsically photosensitive retinal ganglion cells (ipRGCs).
  • A need exists for advanced models to assess lighting's photobiological impact.

Purpose of the Study:

  • To pilot a novel method, the ipRGC-influenced/Non-Visual Spectral Occupant Model (iNSOM), for assessing non-visual lighting effects.
  • To develop metrics for predicting circadian dynamics, alertness, and melatonin levels based on light exposure.
  • To evaluate lighting designs using quantitative outputs and spatial visualizations of ipRGC-influenced effects.

Main Methods:

  • Annual full-spectrum lighting calculations using the iNSOM model.

More Related Videos

An Intra-Tissue Radiometry Microprobe for Measuring Radiance In Situ in Living Tissue
09:10

An Intra-Tissue Radiometry Microprobe for Measuring Radiance In Situ in Living Tissue

Published on: June 2, 2023

1.1K
Key Elements of Photo Attraction Bioassay for Insect Studies or Monitoring Programs
05:17

Key Elements of Photo Attraction Bioassay for Insect Studies or Monitoring Programs

Published on: July 26, 2018

8.2K

Related Experiment Videos

Last Updated: Mar 20, 2026

Operation of Laboratory Photobioreactors with Online Growth Measurements and Customizable Light Regimes
05:21

Operation of Laboratory Photobioreactors with Online Growth Measurements and Customizable Light Regimes

Published on: October 28, 2021

2.7K
An Intra-Tissue Radiometry Microprobe for Measuring Radiance In Situ in Living Tissue
09:10

An Intra-Tissue Radiometry Microprobe for Measuring Radiance In Situ in Living Tissue

Published on: June 2, 2023

1.1K
Key Elements of Photo Attraction Bioassay for Insect Studies or Monitoring Programs
05:17

Key Elements of Photo Attraction Bioassay for Insect Studies or Monitoring Programs

Published on: July 26, 2018

8.2K
  • Derivation of seasonal and time-of-day metrics from established photobiological models.
  • Application of the model to a hospital ward under various lighting scenarios and sleep quality conditions.
  • Comparative analysis with existing ipRGC-influenced lighting metrics and standards.

    • Main Results:

    • iNSOM provides quantitative metrics and spatial visualizations for evaluating lighting design based on ipRGC-influenced effects.
    • The model demonstrates differences between predicted alertness/health metrics and existing saturation-based metrics.
    • The study highlights variations in ipRGC-influenced metrics across different operational scenarios and sleep quality types.

    Conclusions:

    • The iNSOM model offers a comprehensive approach to assessing non-visual lighting effects.
    • iNSOM's outputs can inform lighting design for improved occupant health and well-being.
    • The developed metrics provide a nuanced understanding of light's impact on circadian and cognitive functions.