Table 1

Period (h) of locomotor activity rhythm in wild-type mice and GRP receptor-deficient mice under LD followed by DD conditions

Photic ConditionDays for AnalysisWild-Type Mice (n = 9)GRP Receptor-Deficient Mice (n = 8)
LDLD last 6 days24.02  ± 0.0224.02  ± 0.04
DDDD 1–10 days23.81  ± 0.0323.80  ± 0.04
DD 11–20 days23.82  ± 0.0323.84  ± 0.03
DD 21–30 days23.89  ± 0.0423.86  ± 0.04