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Terms for biological clocks. period. = LENGTH OF ONE CYCLE OF THE RHYTHM. FREE RUNNING . RHYTHM SHOWN UNDER CONSTANT ENVIRONMENTAL CONDITIONS. Free running period.
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period • = LENGTH OF ONE CYCLE OF THE RHYTHM
FREE RUNNING • RHYTHM SHOWN UNDER CONSTANT ENVIRONMENTAL CONDITIONS
Free running period • free running = LENGTH OF ONE CYCLE OF THE RHYTHM UNDER CONSTANT ENVIRONMENTAL CONDITIONS
ENTRAINED WHEN THE ENDOGENOUS RHYTHM IS IN SYNC WITH THE ENVIRONMENTAL CUES
ZEITGEBER ENVIRONMENTAL CUE THAT RESETS THE ENDOGENOUS CLOCK
Phase shift When the period of activity changes (either earlier of later)