LIGHT-DARK CYCLE

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a pre-programmed cycle during which the lights of a room or compound are sequentially turned on or off in rooms housing animals used in research.

LIGHT-DARK CYCLE: "A light-dark cycle is the pre-programmed cycle of illumination or delumination of rooms which house experimental animals."
Cite this page: N., Sam M.S., "LIGHT-DARK CYCLE," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/light-dark-cycle/ (accessed June 25, 2022).

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