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Aging alters resynchronization of the circadian system in rats after a shift of the light-dark cycle
M Buresová1, O Benesová, H Illnerová
1Institute of Physiology, Czechoslovak Academy of Sciences, Prague.
Experientia
|January 15, 1990
Abstract:
Four days following an 8-h advance of the light-dark cycle, the circadian rhythms in the pineal N-acetyltransferase activity and melatonin content reappeared in 7-week-old rats, but were still abolished in 24-month-old animals.