Effects of OEA on the BSS in normal and histamine-depleted mice. A and D show mean cumulative PWM intake (±SEM) and mean time spent in eating activity (±SEM) over the 40-min BSS, respectively (n = 8 for each experimental group). A and D also illustrate the temporal development of eating, locomotion, grooming, and resting duration (seconds) in saline/vehicle (B), α-FMH/vehicle (C), saline/10 mg/kg OEA (E), and α-FMH/10 mg/kg OEA (F). Represented on the x axes are eight time bins (T) of 5 min each for a total of 40 min of BSS analysis. ***P < 0.001, **P < 0.01, *P < 0.05 vs. respective controls; ###P < 0.001 vs. α-FMH/vehicle treated mice by one-way ANOVA and Bonferroni’s test. Experiments were carried out during the lights-off period (1900 h).