(a) Total amount time spent in the center (TCA). (b) Number of returns into the center area of the arena in the open-field behavior apparatus (NRC). (c) Number of total squares (NTS) in the open field test in female rats after the administration of 1000 mg/kg of S. officinalis essential oil. Data are represented as mean ± S.E.M. *p < 0.05 vs. control group.