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. 2012 May 8;590(Pt 13):3155–3168. doi: 10.1113/jphysiol.2012.230300

Figure 1. HF entrains behavioural circadian rhythms of Arvicanthis.

Figure 1

Circadian wheel-running activity of NF (A) and HF (B) fed Arvicanthis. In the representative actograms daily NF and HF feeding is indicated by vertical lines. C, left and middle, body weight (left) and food intake (middle) of Arvicanthis subjected to NF (fixed, 6 h food access) and HF (progressive, from 6 to 2 h food access) restricted feeding schedules. Right, endogenous period values (τ) in both NF and HF animals during previous food ad libitum conditions, during food entrainment and under ad libitum conditions after re-feeding. D, food anticipatory activity (FAA) from 3 to 1 h before mealtime in Arvicanthis subjected to NF (6 h food access) and HF (from 6 to 2 h food access) conditions. *P < 0.05, differences between groups (NF vs. HF).