University of Groningen
Grasping light
Lok, Renske
DOI:
10.33612/diss.173352710
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Publication date:
2021
Link to publication in University of Groningen/UMCG research database
Citation for published version (APA):
Lok, R. (2021). Grasping light: Mental and physiological responses to illumination. University of Groningen.
https://doi.org/10.33612/diss.173352710
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Grasping light
Mental and physiological responses to
illumination
The work described in this thesis was conducted at the Chronobiology department within the GELIFES institute (Groningen Institute for Evolutionary Life Sciences) of the University of Groningen, the Netherlands
Cover: Renske Lok & Publiss Lay-out design: Publiss | www.publiss.nl Printing: Ridderprint |www.ridderprint.nl ISBN: 978-94-6416-658-3
Printing of this thesis was supported by: - University of Groningen
- Graduate school of Science
All rights reserved. No part of this thesis may be reproduced, stored, or transmitted in any form without permission of the author.
Grasping light
Mental and physiological responses to illumination
PhD thesis
to obtain the degree of PhD at the University of Groningen
on the authority of the Rector Magnificus Prof. C. Wijmenga
and in accordance with the decision by the College of Deans. This thesis will be defended in public on
Friday 9 July 2021 at 16.15 hours
by
Renske Lok
born on 14 January 1991 in Opsterland
Promotores
Prof. R.A. Hut Prof. D.G.M. Beersma
Assessment Committee
Prof. dr. G. van Dijk
Prof. dr. W.D. VanMarken Lichtenbelt Prof. dr. R.J. Lucas
Paranymphs
Laura van Rosmalen Sjoerd van Hasselt
Table of content
CHAPTER 1 Introduction 7
CHAPTER 2 Light, alertness and alerting effects of light: A literature overview
Journal of Biological Rhythms
19
CHAPTER 3 White light during daytime does not improve alertness in well-rested individuals
Journal of Biological Rhythms
35
CHAPTER 4 Daytime melatonin and light independently affect human alertness and body temperature.
Journal of Pineal research
69
CHAPTER 5 Bright light increases alertness and not cortisol: a forced desynchrony study under dim and bright light (I).
Submitted to Journal of Biological Rhythms
89
CHAPTER 6 Bright light causes peripheral vasoconstriction: a forced desynchrony study under dim and bright light (II)
Submitted to Journal of Biological Rhythms
119
CHAPTER 7 Bright light during wakefulness improves objective and subjective sleep quality: a forced desynchrony study under dim and bright light (III).
Submitted to Journal of Biological Rhythms
137
CHAPTER 8 Gold, silver or bronze: circadian variation strongly affects performance in Olympic athletes.
Scientific Reports
161
CHAPTER 9 Discussion and Summary
References
183
APPENDICES Nederlandse samenvatting Curriculum Vitae Acknowledgement 224 228 230
