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Simulation-based evaluation of non-visual responses to daylight: Proof-of-concept study of healthcare re-design

�mundadóttir, M., Lockley, S.W. and Andersen, M. (2013) Simulation-based evaluation of non-visual responses to daylight: Proof-of-concept study of healthcare re-design In: ARRAY(0x55645d979130), Chambery.

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Abstract

The discovery of a novel non-rod, non-cone photoreceptor in the human eye that mediates a number of effects on the brain has sparked a growing interest in incorporating these non-visual effects of light into the design process of buildings. Appropriately-timed light exposure has the potential to stabilize and improve circadian rhythms, including sleep, and has direct stimulating effects on alertness and performance. The novel photoreceptors are more sensitive to blue light than the rods and cones used for vision, and respond differently to light intensity, duration, history and timing of a light exposure. The dynamic behavior of the non-visual system provides new challenges in evaluating lighting performance of buildings. In this proof-of-concept study, a novel model that predicts the non-visual responses to light is introduced. The model is used as a part of simulation-based framework for the evaluation of daylighting performance. The evaluation includes four different light pattern generation methods used to investigate the influence of occupants' movements and activities on simulation results. The framework is applied to the re-design of a healthcare facility. The results lead to new ideas and suggestions for future re-design. Copyright © 2011 by IPAC'11/EPS-AG.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Authors :
NameEmailORCID
�mundadóttir, M.
Lockley, S.W.s.lockley@surrey.ac.uk
Andersen, M.
Date : 2013
Uncontrolled Keywords : Circadian rhythms, Different lights, Dynamic behaviors, Healthcare facility, Light intensity, Performance of buildings, Proof of concept, Stimulating effects, Vision, Health care
Depositing User : Clive Harris
Date Deposited : 17 Jun 2020 01:25
Last Modified : 17 Jun 2020 01:25
URI: http://epubs.surrey.ac.uk/id/eprint/857885

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