Critical discussion of the study design
To date, a variety of cognitive tasks have been used to quantify non-visual light effects (e.g., sustained attention, selective attention, working memory, and response inhibitionSimilar to the study by Mager et al.As reviews have shown, see, e.g.,It’s challenging to define an appropriate but ineffective control condition in light impact research. Usually, weak light stimuli of less than 10 lx are used as contrasting interventions (seeA final methodological aspect seems worth discussing here. To date, studies have used widely varying dimming maneuvers, ranging from switching the light on and off for a few milliseconds