Fig. 1From: Diurnal variation in declarative memory and the involvement of SCOP in cognitive functions in nonhuman primatesDaily water consumption from regular water supply system. Several days of water consumption of two macaques in 12-h light/dark condition. Blue dots are water drops the monkey consumed per 5Â min. The monkeys are fed three times a day: ZT 1.5, ZT5.5, and ZT10.0 during a daytimeBack to article page