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Fig. 1 | BMC Psychiatry

Fig. 1

From: The effects of bright light treatment on affective symptoms in people with dementia: a 24-week cluster randomized controlled trial

Fig. 1

Phases of the light sequence in the intervention group. Illuminance (lux) and correlated color temperature (kelvin, K) at different times of the day in the intervention group, with gradual transition periods of 30 min separating each phase. Between 21:00 and 07:00 o’clock the lights could also be turned off by staff if this was preferred

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BMC Psychiatry

ISSN: 1471-244X

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