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Our Research - Projects

ARCHIVED - Full-spectrum Lighting

Several articles addressing the question: Does the scientific evidence show that dramatic improvements are possible in academic achievement, health, mood, & office work performance, if full-spectrum fluorescent lamps are used in place of other lamps?

One definition of a full-spectrum fluorescent lamp is that it has the following characteristics:

  • a correlated colour temperature of at least 5000 Kelvin or higher;
  • a colour rendering index of 90 or higher;
  • a spectral power distribution that includes all parts of the visible spectrum (380 - 780 nm); and,
  • some emissions in the near UV (roughly, 340 - 380 nm).

Some people claim that full-spectrum lighting has beneficial effects on human behaviour and health. NRC-IRC's Lighting Group has investigated this question in several ways, resulting in the publications linked below.

Full-text Publications

Full-spectrum fluorescent lighting: a review of its effects on physiology and health
McColl, S.L. Veitch, J.A.
Psychological Medicine, 31 (6)
pp. 949-964. 2001-08-01
[Full citation / Référence complète]

A Critical examination of perceptual and cognitive effects attributed to full- spectrum fluorescent lighting
Veitch, J.A. McColl, S.L.
Ergonomics, 44 (3)
pp. 255-279. 2001-02-01
[Full citation / Référence complète]

Revisiting the performance and mood effects of information about lighting and fluorescent lamp type
Veitch, J.A.
Journal of Environmental Psychology, 17 (3)
pp. 253-262. 1997-09-01
[Full citation / Référence complète]

Magazine articles:

Choosing the right light : the benefits of full-spectrum lighting continue to be researched and debated
Veitch, J. A.
Business in Vancouver Construction Directory, (575A)
pp. 11. 2000-12-01
[Full citation / Référence complète

L'éclairage en spectre complet: est-ce que cela vaut le coût?
Veitch, J.A. Finn, D.W.
Éclairage Plus, 6 (1)
pp. 14-15. 1995
[Full citation / Référence complète]

IRC Internal Report

Full Spectrum Lighting Effects on Performance, Mood and Health
Veitch, J.A.
Internal Report, Institute for Research in Construction, National Research Council Canada, 659
pp. 128. 1994-06
[Full citation / Référence complète]

Related Information

Institutes: